Introduction | 105
Single & Multi-Pole | 106
Rocker, Sealed Toggle | 109
Configurations | 114
Operating Characteristics | 116
Delay Curves | 117
Specifications | 121
Decision Tables | 123
IAG/IUG/IEG/CEG/LEG
Magnetic Circuit Protectors
IAG/IUG/IEG/CEG/LEG
http://airpax.sensata.com/ IAG/IUG/IEG/CEG/LEG Series - Single Pole 106
IAG/IUG/IEG/CEG/LEG Series
Hydraulic Magnetic Circuit Protectors
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IAG/IUG/IEG/CEG/LEG Series - Introduction
105
IAG/IUG/IEG/CEG/LEG
INTRODUCTION
The Airpax™ IAG/IUG/IEG/CEG/LEG magnetic circuit protectors
provide low-cost power switching, reliable circuit protection
and accurate circuit control for equipment in the international
marketplace.
IEG models meet IEC spacing requirements which is mandatory
for equipment that must comply with IEC specifications 601 and
950 and VDE specifications 0804 and 0805. In addition, they are
UL Recognized as supplementary protectors per UL STD. 1077,
CSA Certified as supplementary protectors per CSA C22.2–No.
235, VDE Approved to VDE 0642 (EN60934), CCC Approved and CE
Compliant. IAG models are for those applications where the unit’s
inherent attributes are desired, but compliance with the various
standards is not required.
Designed using the latest in sensitive hydraulic magnetic
technology, the IAG/IUG/IEG/CEG/LEG line adapts itself to many
applications and environments. They’re ideal for data processing
and business machines, medical instrumentation, broadcast
equipment, vending and amusement machines, military
applications and wherever precision operation is required.
Temperature differences which affect fuses and other thermal
devices are not a concern.
One important feature of this protector line is a “trip free” action,
which means the circuit will trip in the presence of an overload
even though the handle is held in the ON position. The delay
mechanism senses the fault and the contacts open.
The IAG/IUG/IEG/CEG/LEG is available in a wide variety of
configurations including series, series with auxiliary switch,
shunt and relay with a choice of delays and ratings in either
DC, 50/60Hz or 400Hz versions. Handles come in seven different
colors and international markings are standard. Single or multi-
pole versions are available, with a variety of pole arrangements
to meet your specifications. Four pole models require a double
toggle handle. Units with a handle per pole come in one through
six pole assemblies.
SINGLE POLE CIRCUIT PROTECTOR
O
N
O
F
F
1.220
[31.00]
2.000
[50.80]
.590
[15.00]
MAX.
2X 6 – 32 THREAD
.140 [3.56] DEEP
M3 ISO THD. OPTIONA
L
.1.660
[42.16]
.750
[19.05]
.168
[4.27]
32º
32º
OFF
ON
2.075
[52.71]
MAX.
.690
[17.53]
.240
[6.10]
1.687
[42.85]
1.660
[42.16]1.050
[26.67]
2X 0.156
[3.96]
+.25
-.00
15.88
+.010
-.000
.625
Note: Tolerance ±.015 [.38] unless noted. Dimensions in brackets [ ] are millimeters.
Single Pole Mounting Detail
1.530
[38.86]
.230
[5.84]
LEG Type Units Require Screw
Terminals
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IAG/IUG/IEG/CEG/LEG Series - Multi-Pole
107
32º
32º
OFF
ON
2.075
[52.70]
MAX.
.690
[17.53]
.240
[6.10]
1.687
[42.85]
3.015
[76.58]
MAX.
O
N
O
F
F
O
N
O
F
F
O
N
O
F
F
O
N
O
F
F
2.000
[50.80]
1.220
[31.00]
1.660
[42.16]
O
N
O
F
F
O
N
O
F
F
1.515
[38.48]
MAX.
.168
[4.27]
.590
[15.00]
MAX.
2X
4X 6 – 32 THREAD
.140 [3.56] DEEP
M3 ISO THD. OPTIONAL
.750
[19.05].750
[19.05]
.750
[19.05]
1.660
[42.16]1.050
[26.67]
4X .156
[3.96]
+.25
-.00
+.010
-.000
2X .625
15.87
.750
[19.05]
2.265
[57.53]
MAX.
O
N
O
F
F
O
N
O
F
F
O
N
O
F
F
.750
[19.05]
.750
[19.05]
MULTI-POLE CIRCUIT PROTECTORS
(IAG/IUG/IEG/CEG/LEG)
Two Pole Protectors
An assembly consisting of two single pole units, having their trip
mechanisms internally coupled and with a single toggle handle,
forms the IEG11 with quick-connect D.I.N.-style terminals.
Individual poles may differ in ratings, delays and internal
connections. An auxiliary switch may be included in either or
both poles, allowing you to mix SELV and hazardous voltages.
Rugged screw-type terminals can be provided, in which case the
designation would be IEG66. The IEGH offers a toggle handle for
each pole. LEG type units are avavailable only in one or two pole
configurations.
Three Pole and Four Pole Protectors
The three pole construction consists of three single pole units
assembled with an internal mechanical interlock which actuates
IAGH/IUGH/IEGH/CEGH/LEGH Protectors
Note: Tolerance ± .015 [.38] unless noted. Dimensions in brackets [ ] are millimeters.
32º
32
º
OFF
ON
2.075
[52.71]
MAX.
.690
[17.53]
.240
[6.10]
1.687
[42.85]
IAG/IUG/IEG/CEG/LEG
MULTI-POLE CIRCUIT PROTECTORS
(IAGH/IUGH/IEGH/CEGH/LEGH)
The IAGH/IUGH/IEGH/CEGH/LEGH two, three and four pole
models are available with a handle per pole.
LEGH type units are available only in two pole models.
Panel Mounting Detail: Tolerance for Mtg. ±.005 [.13] unless noted.
NOTE: We recommend machining slots into your panel for 2 or more poles. This eliminates the need to dissemble/reassemble the handle ties to be able to insert the handles thru
indvidiually drilled holes. LEG type units are only available in one or two poles.
O
N
O
F
F
1.515
[38.48]
MAX.
O
N
O
F
F
2.265
[57.53]
MAX.
O
N
O
F
F
O
N
O
F
F
3.015
[76.58]
MAX.
1.660
[42.17]1.050
[26.68]
4X .156
[3.96]
+.25
-.00
+.010
-.000
2X .625
15.88
[
[
.750
[19.05].750
[19.05]
.750
[19.05].750
[19.05]
.750
[19.05]
.750
[19.05]
Panel Mounting Detail: Tolerance for Mtg. ±.005 [.13] unless noted.
*See Single Pole Mounting Detail for hole sizes and locations. LEG type units are only
available in one or two poles.
(Optional: Handle may be
located in Pole 1 instead
of Pole 2)
Two Pole* Three Pole* Four Pole*
Two Pole* Three Pole* Four Pole*
Note: Tolerance ± .015 [.38] unless noted. Dimensions in brackets [ ] are millimeters.
1.530
[38.86]
.230
[5.84]
LEG Type Units Require Screw
Terminals
Two Pole Three Pole* Four Pole*
3.015
[76.58]
MAX.
O
N
O
F
F
O
N
O
F
F
O
N
O
F
F
O
N
O
F
F
2.000
[50.80]
1.220
[31.00]
1.660
[42.16]
O
N
O
F
F
O
N
O
F
F
1.515
[38.48]
MAX.
.168
[4.27]
.590
[15.00]
MAX.
2X
4X 6 – 32 THREAD
.140 [3.56] DEEP
M3 ISO THD. OPTIONAL
.750
[19.05].750
[19.05]
.750
[19.05]
1.660
[42.16]1.050
[26.67]
4X .156
[3.96]
+.25
-.00
+.010
-.000
2X .625
15.87
.750
[19.05]
2.265
[57.53]
MAX.
O
N
O
F
F
O
N
O
F
F
O
N
O
F
F
.750
[19.05]
.750
[19.05]
1.530
[38.86]
.230
[5.84]
LEG Type Units Require Screw Terminals
LEG/LEGH Barriers (required)
In order to meet UL listing requirements, the LEG/LEGH two
pole model requires barriers. Available with a standard
straight barrier or an optional “Z” type barrier.
Standard Barrier
2-FRONT
Optional “Z” Barrier
2-FRONT
all units simultaneously. A single toggle handle operates all three
poles for quick and convenient control, or if preferred, a handle
per pole is available. The four pole construction consists of four
single pole units assembled with an internal mechanical
interlock which actuates all units simultaneously. A double
toggle handle operates all four poles. The individual poles need
not have identical characteristics and any series trip pole may
have an auxiliary switch. If screw-type terminals are required,
the breaker designation will be IEG666 for a three pole version
and IEG6666 for a four pole version.
Protector poles are numbered consecutively when viewed from
the terminal side, with the ON position up, starting with Pole #1
on the left side and proceeding to the right.
IAG/IUG/IEG/CEG/LEG Multi-Pole Circuit Breakers
IAG/IUG/IEG/CEG/LEG
*See Two Pole Mounting Detail for hole sizes and locations.
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IAG/IUG/IEG/CEG/LEG Series - Rocker109
IAG/IUG/IEG/CEG/LEG
ROCKER CIRCUIT PROTECTORS
(IAGX/IAGZX/IUGX/IUGZX/IEGX/IEGZX/CEGX/CEGZX/LEGZX)
The IAGX/IUGX/IEGX/CEGX and IAGZX/IUGZX/IEGZX/CEGZX/
LEGZX styles offer two attractive rocker actuator versions of our
popular IAG/IUG/IEG/CEG/LEG family. Designed with the operator
in mind, each features handles with a concave surface and
aesthetic appearance for front panel applications.
Both are available with rocker handle styles in a choice of five
single colors: black, red, grey, orange or white.
2.206
[56.03]
6 – 32 THD. (TYP.)
M3 ISO THD.
OPTIONAL
OFF
ON
1.972
[50.09]
1.660
[42.16]
.750
[19.05]
.735
[18.67]
(HANDLE WIDTH)
±.005
[±.13]
OFF
ON
1.515
[38.48]
MAX.
OFF
ON
2.265
[57.53]
MAX.
OFF
ON
3.015
[76.58]
MAX.
ON
OFF
1.687
[42.85]
2.000
[50.80]
2.470
[62.74]
MAX.
1.220
[30.99]
.490
[12.45]
MAX.
IAGX/IUGX/IEGX/CEGX
Single Pole Two Pole Three Pole Four Pole
.750
[19.05]
1.510
[38.35]
Four Pole*
1.687
[42.85]
2.000
[50.80]
2.470 MAX.
[62.74]
1.220
[30.99]
.430
[10.92]
.125
[3.18]
1.530
[38.86]
.420 REF.
[10.67]
1.239
[31.47]
OPTIONAL
HANDLE GUARDS
(SEE DETAIL “A”)
ON
OFF
2.165
[54.98]1.660
[42.16]
.750
[19.05]6 – 32 THD. (TYP.)
M3 ISO THD.
OPTIONAL
ON
OF
ON
OFF
1.515
[38.48]
ON
OFF
2.265 Max.
[57.53]
IAGZX/IUGZX/IEGZX/CEGZX/LEGZX
Single Pole* Two Pole* Three Pole
1.260
[32.00]
2X .156
[3.96]
1.660
[42.16]
.750
[19.05]
.200
[5.08]
Panel Mounting Detail: Tolerance for Mtg.
±.005 [.13] unless noted.
Detail “A”
Panel Mounting Detail: Tolerance for Mtg.
±.005 [.13] unless noted.
*See Single Pole Mounting Detail for hole sizes
and locations.
(Optional: Handle may be
located in Pole 2 instead of
Pole 1)
Single, Two & Three Pole
The innovative new design of our IEG BX style circuit breaker
features a flat front rocker that not only satisfies your aesthetic
needs, it guards against accidental actuation while providing the
highest degree of circuit protection and quality. Only Airpax
offers this new standard in user interface, providing additional
peace of mind that guards alone can’t supply.
I
O
OFF
ON
.200
[5.08]
1.260
[32.00]
1.660
[42.16]
.750
[19.05]
2X ÿ .156
[3.96]
Panel Mounting Detail
OPTIONAL
GUARD
(SEE DETAIL “A”)
.750
[19.05]
1.687
[42.85]
2.378 MAX
[60.40]
.387 REF.
[9.84]
1.220
[30.99]
2.000
[50.80]
1.660
[42.16]
2.217
[56.31]
.125
[3.18]
1.239
[31.47]
1.530
[38.86]
SINGLE POLE
.314
[7.98]
6-32 THD. MOUNTING
M3 ISO THD. OPTIONAL
MOUNTING DETAIL TOLERANCE:
±.005 [.13] UNLESS NOTED
Note: Tolerance ± .015 [.38] unless noted. Dimensions in brackets [ ] are millimeters.
1.260
[32.00]
2X .156
[3.96]
1.660
[42.16]
.750
[19.05]
.200
[5.08]
Mounting Detail
Single, Two & Three Pole
IAGBX/IUGBX/IEGBX/CEGBX/LEGBX
* LEG type units are only available in one or two poles.
The IAGZX/IUGZX/IEGZX/CEGZX/LEGZX style adds our “EZ”
options of contrasting dual color rocker actuators, affording a
clear visual indication of the handle position and integrated
handle guards, to help prevent accidental turn-on and turn-off of
the unit. Available with a black rocker and white, red or green
indicator color for either ON or OFF indication.
Available on a variety of versions with a full range of agency
approvals, the new IEG BX style circuit breakers meet or exceed
all current performance specifications, including interrupting
capacities up to 50,000 amperes. Various guard options offer
additional and increasing levels of actuation protection
performance. The two shot mold on the flat rocker surface
provides a clean, crisp legend that can withstand demanding
use.
ON
ON
I
ON
I
OFF
O
I
ON
OFF
O
DETAIL "A"
I
O
OFF
ON
ON
I
I
ACTUATION
ACCESS
(SEE NOTE)
OFF
O
NOTE: ACCESS IS LIMITED TO A DEVICE SMALLER THAN THE
UNDERWRITERS LABORATORY "ARTICULATED PROBE"
DEFINED IN UL-489 FIG. 11.1.7.2.1.
PUSH
TO
RESET
HANDLE
POSITION "OFF"
WITH GUARD
(SIXTH DECISION, G)
HANDLE
POSITION "OFF"
WITHOUT GUARD
HANDLE
POSITION "ON"
WITHOUT GUARD
HANDLE
POSITION "ON"
WITH GUARD
(SIXTH DECISION, G)
HANDLE
POSITION "OFF"
GUARD WITH NO ACTUATE
OFF FEATURE
(SIXTH DECISION, X)
HANDLE
POSITION "ON"
GUARD WITH NO ACTUATE
OFF FEATURE
(SIXTH DECISION, X)
PUSH
TO
RESET
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ROCKER CIRCUIT PROTECTORS
(IAGBX/IUGBX/IEGBX/CEGBX/LEGBX)
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SEALED TOGGLE CIRCUIT PROTECTORS
(IAGN/IUGN)
The IAGN/IUGN family is a sealed toggle version of the IAG/
IUG family. The silicone rubber seal around the handle
assures panel seal integrity and makes this style a natural
for harsh environments.
This sealed toggle family is available in one to three poles with
ratings of .050 to 50 amperes.
Note: Tolerance ± .015 [.38] unless noted. Dimensions in brackets [ ] are millimeters.
13º
±3º
ON
OFF 13º
±3º
LOCKWASHER
1/2 – 32 HEX NUT
RUBBER “O” RING
2.256
[57.30]
MAX.
.130
[3.30]
6 – 32 MTG. SCREW
FOR HIGH SHOCK
MTG.
.625
[15.88]
.750
[19.05]
2.000
[50.80]
1.220
[30.99]
KEYWAY
.060 [1.52] – .065 [1.65] WIDE
.030 [.76] – .035 [.89] DEEP
.750
[19.05]
.656
[16.66]
1.515
[38.48]
MAX.
2.265
[57.53]
MAX.
.656
[16.66]
.515
[13.08]
.156
[3.96]
.750
[19.05]
.750
[19.05].750
[19.05]
Single Pole Two Pole Three Pole
Mounting Detail
Single Pole Two Pole* Three Pole*
Optional Handle
Panel Mounting Detail: Tolerance for Mtg. ±.005 [.13] unless noted.
*See Single Pole Mounting Detail for hole sizes and locations.
2.598
[65.99]
OFF
ON
OFF
ON
1.488
[37.80]
2.232
[56.69]
2.976
[75.59]
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
.744
[18.90]
MAX.
ON
OFF
[52.70]
2.075
[42.85]
1.687
[6.09]
.240
[17.53]
.690
[30.99]
1.220
[50.80]
2.000
32º
32º
.127
[3.23]
DIM. “A”
(SEE TABLE)
IEGHS/CEGHS/LEGHS Circuit Protectors (Note B)
(Multi-Pole-IEGH Handles Per Pole)
(Omit H for Single Pole)
Panel Cutout Detail
Panel Thickness: (See Table)
Note:
A: Flush face plate is optional. See decision tables, sixth decision.
B: Tolerance ± .031 [.79] Angles: ±5° unless noted. Dimensions in brackets [ ] are
millimeters.
SNAP-IN CIRCUIT PROTECTORS
(IEGS/IEGHS/CEGS/CEGHS/LEGS/LEGHS)
The Snap-In version of the IEG brings mounting simplification
and international spacing together in a package that is
aesthetically enhanced. The IEGS securely snaps into a
rectangular cut-out, eliminating the need for panel mounting
hardware and the associated costs. The face plate of the IEGS
is a clean, black matte and it satisfies the increasing demand
for front panel components that are designed with ergonomic
considerations.
The IEGS is offered in either flush or beveled versions, in 1, 2, 3
or 4 pole packages, and with a handle per pole or per unit.
The IEGS is UL Recognized, CSA Certified and VDE approved.
(Optional: Handle may be
located in Pole 2 instead
of Pole 1) DIM. “B”
(SEE TABLE)
DIM. “C”
(SEE TABLE)
DIMENSIONS “A”, “B”, “C”
Number of Poles Dimension “A”, inches [ mm ] Dimension “B”, inches [ mm ] Dimension “C”, inches [ mm ]
1 pole .750 [19.05] max .755 [19.18] min
2.180 ± .005
[55.37 ± .13]
2.186 ± .011
[55.52 ± .28]
2 pole 1.515 [38.48] max 1.520 [38.61] min
3 pole 2.265 [57.53] max 2.270 [57.66] min
4 pole 3.015 [76.58] max 3.020 [76.71] min
Panel Thickness .040 to .059
[1.02 to 1.50]
.060 to .100
[1.52 to 2.54]
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Note: A: Tolerance ± .015 [.38] unless noted. Dimensions in brackets [ ] are millimeters.
B: Bevelled face plate is standard.
.780
[19.82]
1.560
[39.62]
.734
[18.64]
2.598
[65.99]
OFF
ON
.960
[24.38]
OFF
ON
1.700
[43.18]
2.450
[62.23]
3.190
[81.03]
OFF
ON
OFF
ON
OFF
ON
MAX.
ON
OFF
[52.70]
2.075
[42.85]
1.687
[6.09]
.240
[17.53]
.690
[30.99]
1.220
[50.80]
2.000
32º
32º
.130
[3.30]
DIM. “A”
(SEE TABLE)
IEGS/CEGS/LEGS Circuit Protectors (Note B)
(Add H for multiple handles per unit, IEGHS)
Panel Cutout Detail
Panel Thickness: (See Table)
DIM. “B”
(SEE TABLE)
DIM. “C”
(SEE TABLE)
Optional Handle Guard
1.530
[38.86]
.230
[5.84]
1.530
[38.86]
.230
[5.84]
Optional flat
screw terminal
Series Switch
Only
1.530
[38.86]
1.380
[35.05]
.230
[5.84]
2.52 MAX.
[64.00]
(See Note A)
Shunt
.469
[11.91]
.764
[19.04]
1.059
[26.90]
Standard Auxiliary Switch VDE Auxiliary Switch
C
NO
NC
BREAKER IN
OFF POSITION
2.438 MAX.
[61.93]
(See Note A)
.260
[6.60]
.110
[2.79]
–IREC4
–IREG4
2.454 MAX.
[62.33]
(See Note A
)
.250
[6.35]
.187
[4.75]
–IREC5
Series with Auxiliary Switch
CONFIGURATIONS
Series Trip
The most popular configuration for magnetic protectors is the
series trip where the sensing coil and contacts are in series
with the load being protected. The handle position conveniently
indicates circuit status. In addition to providing conventional
overcurrent protection, it’s simultaneously used as an on-off
switch.
Shunt Trip
The shunt trip is designed for controlling two separate loads with
one assembly. The control is established by providing overload
protection for the critical load. When the current through this
load becomes excessive and reaches the trip point, the protector
will open and remove power from both loads simultaneously. The
total current rating of both loads must not exceed the maximum
contact rating.
Auxiliary Switch (Applies to Series Trip Only)
This is furnished as an integral part of a series pole in single or
multi-pole assemblies. Isolated electrically from the protector’s
circuit, the switch works in unison with the power contacts
and provides indication at a remote location of the protector’s
on-off status.
Auxiliary switch contacts actuate simultaneously with the
main protector contacts, and will open regardless of whether
the protector contacts are opened manually or electrically. For
auxiliary switch ratings below 6Vac or 5Vdc, an auxiliary
switch with gold contacts designated as REG is available. Gold
contacts are not recommended for load current above 100
milliamps.
Note:
A: Terminal protrusion dimensions are referenced from back mounting panel.
B: Main terminals are male push-on type .250 [6.35] wide x 0.31 [.79] thick x .375 [9.53] long or 8-32
x .187 [4.75] screw type. Metric screw terminals are M4 x 5mm (<=30A): M5 x 5mm screw type
(>30A). On VDE approved builds with screw terminals, external tooth lockwashers are supplied. On
VDE approved builds with push-on terminals a soldered connection is required above 25 amperes.
.441
[11.20]
.848
[21.53]
1.083
[27.51]
DIMENSIONS “A”, “B”, “C”
Number of Poles Dimension “A”, inches [ mm ] Dimension “B”, inches [ mm ] Dimension “C”, inches [ mm ]
1 pole .750 [19.05] max .780 ± .015 [19.81 ± .381]
2.180 ± .005
[55.37 ± .13]
2.186 ± .011
[55.52 ± .28]
2 pole 1.515 [38.48] max 1.540 ± .015 [39.12 ± .381]
3 pole 2.265 [57.53] max 2.290 ± .015 [58.17 ± .381]
4 pole 3.015 [76.58] max 3.040 ± .015 [77.22 ± .381]
Panel Thickness .040 to .059
[1.02 to 1.50]
.060 to .100
[1.52 to 2.54]
MAIN TERMINAL TYPES
Amp
Rating Push-On 8-32
Screw
M4
Screw
10-32
Screw
M5
Screw
.05 to 30 X X X
30.1 to 50 X X
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OPERATING CHARACTERISTICS
Inrush Pulse Tolerance
The following table provides a comparison of inrush
pulse tolerance with and without the inertial delay
feature for each of the 50/60Hz delays. Pulse
tolerance is defined as a single pulse of half sine
wave peak current amplitude of 8 milliseconds
duration that will not trip the circuit breaker. The
table at left provides a guide to determine if the
inertia delay feature is required. Consult factory for
further assistance.
Note: Tolerance ± .015 [.38] unless noted.
Dimensions in brackets [ ] are millimeters.
1.530
[38.86]
1.380
[35.05]
.230
[5.84]
2.52 MAX.
[64.00]
(See Note A)
.620
[15.75]
2.000
[50.80]
.571
[14.50]
Relay Trip
This permits the overload sensing coil to be placed in a
circuit which is electrically isolated from the trip
contacts. The coil may be actuated by sensors
monitoring pressure, flow, temperature, speed, etc.
Other typical applications include crowbar, interlock
and emergency /rapid shutdown circuitry. Trip may be
accomplished by voltage or current, which must be
removed after trip.
Dual Coil
By combining two electrically independent coils on a
common magnetic circuit, it is possible to provide
contact opening when either an over-current or trip
voltage is applied to the respective coils. One coil will
be a current trip coil with standard specifications. The
second, or dual coil, can be used to provide a control
function permitting contact opening from a remote
interlock or other transducer functions. Standard coils
are 6, 12, 24, 48, 120 and 240 volts. Tripping is
instantaneous and must be removed (usually self-
interrupting) after trip.
Voltage Trip
Sometimes called “dump circuits” or “panic trip
circuits,” these units make it possible to open main
power contacts with lower power inputs from one or
more sources. This configuration is becoming
increasingly more important for sensitive circuitry and
denser packaging in automation systems. Available in
series, shunt or relay configurations.
Relay
1.530
[38.86]
1.380
[35.05]
.230
[5.84]2.52 MAX.
[64.00]
(See Note A)
Dual Coil
1.530
[38.86]
.620
[15.75]
1.380
[35.05]
.230
[5.84]2.52 MAX.
[64.00]
(See Note A)
Dual Coil
Optional Barriers (IEG Only)
TYPICAL RESISTANCE / IMPEDANCE
Current Ratings
(Amps)
Impedance
DC
(ohms)
AC, 50/60Hz
(ohms)
AC, 400Hz
(ohms)
51, 52, 53, 59 61, 62, 63, 69 41, 42, 43, 49
0.200 36.6 34.2 74.2
1.00 1.38 1.47 2.85
2.00 0.31 0.25 0.64
5.00 0.053 0.051 0.100
10.0 0.016 0.013 0.027
20.0 0.006 0.005 0.008
30.0 0.0027 0.0026 0.004
50.0 0.0019 0.0018 —
DCR and Impedance based on 100% rated current applied and stabalized for
a minimum of one hour. Tolerance .05-2.5 amperes ± 20%: 2.6 -20 amperes
± 25%, 21-50 amperes ± 50%. Consult factory for special values and for coil
impedance of delays not shown.
PERCENTAGE OF RATED CURRENT VS TRIP TIME IN SECONDS AT +25°C (VERTICAL MOUNT)
Delay 100% 125% 150% 200% 400% 600% 800% 1000%
41 No Trip May Trip .500 to 8.0 .150 to 1.9 .020 to .40 .006 to .25 .004 to .1 .004 to .05
42 No Trip May Trip 5 to 70 2.2 to 25 .40 to 5.0 .012 to 2 .006 to .2 .006 to .15
43 No Trip May Trip 35 to 350 12 to 120 1.5 to 20 .012 to 2.2 .01 to .22 .01 to .1
49 No Trip May Trip .100 Max .050 Max .020 Max .020 Max .020 Max .020 Max
51* No Trip .500 to 6.5 .300 to 3.0 .100 to 1.2 .031 to .500 .011 to .25 .004 to .1 .004 to .08
52* No Trip 2 to 60 1.8 to 30 1 to 10 .15 to 2.0 .04 to 1 .008 to .5 .006 to .1
53* No Trip 80 to 700 40 to 400 15 to 150 2 to 20 .23 to 9 .018 to .55 .012 to .2
59* No Trip .120 Max .050 Max .050 Max .022 Max .017 Max .017 Max .017 Max
61* No Trip .700 to 12 .35 to 7.0 .130 to 3.0 .030 to 1 .015 to .3 .01 to .15 .008 to .1
62* No Trip 10 to 120 6 to 60 2 to 20 .2 to 3.0 .02 to 2 .015 to .8 .01 to .25
63* No Trip 50 to 700 30 to 400 10 to 150 1.5 to 20 .4 to 10 .013 to .85 .013 to .5
64 No Trip .7 to 12 .35 to 7 .13 to 3 .030 to 1 .017 to .3 .01 to .16 .008 to .1
65 No Trip 10 to 120 6 to 60 2 to 20 .2 to 3 .02 to 2 .017 to .76 .01 to. 6
66 No Trip 50 to 700 30 to 400 10 to 150 1.5 to 20 .4 to 10 .014 to 5 .014 to 3
69* No Trip .120 Max .100 Max .050 Max .022 Max .017 Max .017 Max .017 Max
71** No Trip .440 to 10 .300 to 7 .100 to 3.0 .03 to 1 .012 to .3 .004 to .15 .004 to .1
72** No Trip 1.8 to 100 1.7 to 60 1 to 20 .15 to 3 .04 to 2 .008 to .79 .006 to .28
73** No Trip 50 to 600 30 to 400 10 to 150 1.8 to 20 .22 to 10 .018 to .88 .011 to .50
79** No Trip .120 Max .100 Max .050 Max .023 Max .016 Max .015 Max .015 Max
*CEG type units are available only with 51, 52, ,53 and 59 delays LEG type units are available only with 61, 62, 63 and 69 delays
**135% minimum trip point for delays 71, 72, 73 and 79
INRUSH PULSE TOLERANCE
Delay Pulse Tolerance
61, 62, 63, 71, 72, 73 10 times rated current (approx)
61F, 62F, 63F, 71F, 72F, 73F 12 times rated current (approx)
64, 65, 66 25 times rated current (approx)
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DELAY CURVES (IAG/IUG/IEG/CEG/LEG)
400Hz, DC, 50/60Hz Delay Curves (typ)
A choice of delays is offered for DC, 50/60Hz and 400Hz
applications. Delays 49, 59 and 69 provide fast acting,
instantaneous trip and are often used to protect sensitive
electronic equipment (not recommended where known inrush
exists). Delays 41, 51 and 61 have a short delay for general
purpose applications. Delays 42, 52 and 62 are long enough to
start certain types of motors and most transformer and
capacitor loads. Delays 43, 53 and 63 are long delays for
special motor applications at 400Hz, DC and 60Hz. CEG type
units are only available in 51, 52, 53 and 59 delay curves. LEG
type units are only available in 61, 62, 63 and 69 delay curves.
10000
1000
100
10
1
.1
.01
.001 0 100 150 200 300 400 500 600 700 800 900 1000
PERCENT OF RATED CURRENT
125
TIME IN SECONDS
DELAY 61
10000
1000
100
10
1
.1
.01
.001 0 100 150 200 300 400 500 600 700 800 900 1000
PERCENT OF RATED CURRENT
125
TIME IN SECONDS
DELAY 62
10000
1000
100
10
1
.1
.01
.001 0 100 150 200 300 400 500 600 700 800 900 1000
PERCENT OF RATED CURRENT
125
TIME IN SECONDS
DELAY 69
10000
1000
100
10
1
.1
.01
.001 0 100 150 200 300 400 500 600 700 800 900 1000
PERCENT OF RATED CURRENT
125
TIME IN SECONDS
DELAY 63
MAY TRIP
MAY TRIP
MAY TRIP
MAY TRIP
10000
1000
100
10
1
.1
.01
.001 0 100 150 200 300 400 500 600 700 800 900 1000
PERCENT OF RATED CURRENT
125
TIME IN SECONDS
DELAY 51
10000
1000
100
10
1
.1
.01
.001 0 100 150 200 300 400 500 600 700 800 900 1000
PERCENT OF RATED CURRENT
125
TIME IN SECONDS
DELAY 52
10000
1000
100
10
1
.1
.01
.001 0 100 150 200 300 400 500 600 700 800 900 1000
PERCENT OF RATED CURRENT
125
TIME IN SECONDS
DELAY 59
MAY TRIP
10000
1000
100
10
1
.1
.01
.001 0 100 150 200 300 400 500 600 700 800 900 1000
PERCENT OF RATED CURRENT
125
TIME IN SECONDS
DELAY 53
MAY TRIP
MAY TRIP
MAY TRIP MAY TRIP
DELAY CURVES (IAG/IUG/IEG/CEG)
DC Delay Curves (typ)
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DELAY CURVES (IAG/IUG/IEG)
400Hz Delay Curves (typ)
10000
1000
100
10
1
.1
.01
.001 0 100 150 200 300 400 500 600 700 800 900 1000
PERCENT OF RATED CURRENT
125
TIME IN SECONDS
DELAY 41
10000
1000
100
10
1
.1
.01
.001 0 100 150 200 300 400 500 600 700 800 900 1000
PERCENT OF RATED CURRENT
125
TIME IN SECONDS
DELAY 42
10000
1000
100
10
1
.1
.01
.001 0 100 150 200 300 400 500 600 700 800 900 1000
PERCENT OF RATED CURRENT
125
TIME IN SECONDS
DELAY 49
10000
1000
100
10
1
.1
.01
.001 0 100 150 200 300 400 500 600 700 800 900 1000
PERCENT OF RATED CURRENT
125
TIME IN SECONDS
DELAY 43
MAY TRIP
MAY TRIP
MAY TRIP
MAY TRIP
800
700
600
500
400
300
200
150
135
100
0
TIME IN SECONDS
10
1000
100
01
10000
001
DELAY 79
800
700
600
500
400
300
200
150
135
100
0
TIME IN SECONDS
1000
100
01
10000
001
PERCENT OF RATED CURRENT
1000
900
DELAY 71
800
700
600
500
400
300
200
150
135
100
0
TIME IN SECONDS
10
1
1000
100
01
10000
001
PERCENT OF RATED CURRENT
1000
900
MAY TRIP
DELAY 72
800
700
600
500
400
300
200
150
135
100
0
TIME IN SECONDS
10
1
1
1000
100
01
10000
001
PERCENT OF RATED CURRENT
1000
900
MAY TRIP
DELAY 73
1000
900
1
1
MAY TRIP
MAY TRIP
DELAY CURVES (IAG/IUG/IEG)
Multi-frequency - DC, 50/60Hz Delay Curves (typ)
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SPECIFICATIONS
Trip Free
Will trip open on overload, even when forcibly held in the ON position. This pre-
vents the operator from damaging the circuit by holding on the protector.
Trip Indication
The operating handle moves positively to the OFF position on overload.
Ambient Operation
IAG/IUG/IEG/CEG/LEG protectors operate in temperatures between –40° C to
+85° C.
Insulation Resistance
Not less than 100 megohms at 500 volts DC.
Dielectric Strength
IAG/IUG/IEG/CEG/LEG protectors withstand 3750Vac, 60Hz for 60 seconds
between all electrically isolated terminals, except auxiliary switch terminals shall
withstand 600Vac, 60Hz for REG and REC types. Four terminal dual coil and relay
construction (not offered in the IEG) will withstand 1500Vac.
Endurance
Operating as a switch, the operating life exceeds 10,000 operations at a rate of 6
per minute when tested as follows: 6000 OPS @ rated current plus 4000 OPS @ at
no load.
Electrical Characteristics
.050-50 amperes; 80Vdc Max., 240Vac Max., 50/60Hz and .050-30 amperes: 250Vac
Max., 400Hz. Units above 30 amps are not suitable for across-the-line motor
starting.
Auxiliary Switch
When supplied shall be SPDT configuration. Non VDE approved switches have a
maximum UL rating of 10.0 amperes, 250 volts, 60Hz; 3.0 amperes, 50 volts DC, 1
amperes, 80 volts DC (REC) type or 0.1 amperes, 125 volts, 60Hz. (REG type).
VDE approved switches have a maximum UL rating of 10.0 amperes, 250 volts,
60Hz, 1 amperes, 80 volts DC (REG type); or 0.1 amperes, 125 volts, 60Hz (REG
type); or 0.1 amperes, 125 volts, 60Hz (REG type).
Moisture Resistance
Meets all the requirements of MIL-PRF-55629 when tested in accordance with
Method 106 of MIL-STD-202.
Salt Spray (Corrosion)
Meets the requirements of MIL-PRF-55629 when tested in accordance with
Method 101 of MIL-STD-202.
Shock
Circuit protectors shall not trip when tested per MIL-STD-202, Method 213, Test
Condition I with 100% rated current applied to delayed units, except 90% current in
plane 4 (i.e., handle down). Instantaneous units shall have 80% rated current
applied in all planes.
Construction
Series, shunt, relay and series with auxiliary switch available in various delays
and combinations.
Vibration
Circuit protector shall not trip when vibrated per MIL-STD-202, Method 204, Test
Condition A with 100% rated current applied to delayed units and 80% rated cur-
rent to instantaneous units.
VDE Approval
IEG is VDE approved under VDE 0642 (EN60934). The IEG has 8mm creepage and
clearance between the main circuit and the following areas:
A. Operator accessible area around the handle.
B. The mounting inserts or brackets.
C. The auxiliary switch circuit.
D. Between poles.
Care must be taken to maintain spacings at the terminals when wired. The VDE
approval for standard terminals is not for use with bare wire. A crimp type lug is
required. In addition, all VDE approved units will be in compliance with specific
CE Directives. These units will be marked as CE Compliant.
UL1500 (Marine Ignition Protected)
IDG/IDGH is approved for Marine Ignition Protection
UL489A Listed
The CEG is dimensionally the same as the popular IEG, but provides UL listing to
UL489A. Available in one to three poles, in series, series with auxiliary switch,
shunt, dual coil and voltage trip configurations. As a circuit breaker, the CEG pro-
vides communication equipment manufacturers with a UL listed circuit breaker in
a very compact package that meets the stringent environmental requirements of
today’s marketplace. This makes the CEG ideal for switching, transmission and
wireless applications.
UL489 Listed
The LEG is dimensionally the same as the popular IEG, but provides UL listing to
UL489. Available with one or two poles, in series, series with auxiliary switch,
shunt and three-terminal dual coil configurations. As a circuit breaker, the LEG
provides equipment manufacturers with a UL listed magnetic hydaulic circuit
breaker in the most compact package available on the market.
General notes:
All supplementary protectors are of the overcurrent (OC) type
The family of protectors has been evaluated for end use application for use groups (UG) A, B, C and D
The terminals (FW) are suitable for factory wiring only (0)
The maximum voltage ratings for which the protectors have been tested are shown in the chart
The current is the amperage range that the protectors have been tested
The tripping current (TC) for all of the protectors is “1” (in the range of 125% to 135% of ampere rating except for
the 400Hz protectors which is “2” (more than 135% of ampere rating)
The overload rating (OL) - designates whether the protector has been tested for general use or motor starting
applications.
0 – tested at 1.5 times amp rating for general use
1 – tested at 6 times AC rating or 10 times DC rating for motor starting
The short circuit current rating (SC) – The short circuit rating in amperes following a letter and number designating the
test conditions and any calibration following the short circuit test is defined below:
C – Indicates short circuit test was conducted with series overcurrent protection
U – Indicates short circuit test was conducted without series overcurrent protection
1 – Indicates a recalibration was not conducted as part of the short circuit testing
2 – Indicates a recalibration was performed as part of the short circuit testing
3 – Indicates recalibration was performed along with the dielectric and voltage withstand for “Suitable for Further Use”
rating
AGENCY APPROVALS
IAG/IUG/IEG Supplementary Protectors Rated Current (Amps) Short Circuit Rating (SC), Amps
Max Voltage Frequency (Hz) Phase Minimum Poles UL/CSA TÜV UL1077 & CSA TÜV
80 DC — 1 .02 to 50 .10 to 30 U2, 7500 4000
125 50/60 1 1 .02 to 50 — U2, 3000 —
125 50/60 1 1 .02 to 30 — C1, 5000(3) —
125 50/60 1 1 .02 to 50 — U3, 1000 —
125 / 250 50/60 1 2 .02 to 50 — U1, 3000 —
125 / 250 50/60 1 1 2/1 - 30/15 — C2, 5000(1) —
240 50/60 1 & 3 1 .02 to 50 — U1, 2000 —
240 50/60 1 & 3 1 .02 to 50 — C2, 5000(1) —
250 50/60 1 1 .02 to 2 — U2, 5000 —
250 50/60 1 & 3 1 .02 to 30 .10 to 50 U1, 2000 2000
250 50/60 1 & 3 1 .02 to 30 — C2, 3500(2) —
250 (4) 50/60 1 & 3 1 .02 to 30 — C1, 3500(2) —
250 (4) 50/60 1 & 3 1 .02 to 30 — U1, 1000 —
250 (5) 50/60 1 2 .02 to 50 — U3, 1000 —
250 (5) 50/60 3 3 .02 to 50 — U3, 1000 —
277 50/60 1 1 .02 to 30 — U2, 2000 —
277 50/60 1 1 .02 to 30 — C2, 5000(2) —
250 400 1 & 3 1 .02 to 30 — U2, 1500 —
250 400 3 — .02 to 30 — U3, 200 —
IDG Supplementary Protectors
Max Voltage Frequency (Hz) Phase Minimum Poles UL/CSA TÜV UL1077 & CSA TÜV
48 DC — 1 .02-50 — U2, 5000 —
65 DC — 1 .02-50 — U2, 3000 —
125 50/60 1 1 .02-50 — U2, 2000 —
125/250 50/60 1 2 .02-50 — U2, 1500 —
250 50/60 1 & 3 1 .02-30 — U1, 1000 —
CEG Communications Equipment Circuit Breakers
Max Voltage Frequency (Hz) Phase Minimum Poles UL/CSA TÜV UL489A TÜV
80 DC — 1 .05-50 — 5000 —
LEG Circuit Breakers
Max Voltage Frequency (Hz) Phase Minimum Poles UL/CSA TÜV UL489 TÜV
125 50/60 1 1 .05-30 .10-30 5000 2000
120/240 50/60 1 2 1-30 .10-30 5000 2000
Notes: (1) With 125 A max. series fuse; (2) With 80 A max. series fuse; (3) With 50 A max. circuit breaker; (4) With blocked vent construction;
(5) Non-standard construction. “Fit for further use” approval
APPROXIMATE WEIGHT PER POLE (1 TO 6 POLES AVAILABLE)
Ounces Grams
2.2 62.4
RECOMMENDED TORQUE SPECIFICATIONS
Component Torque (in-lbs)
6-32 Mounting Inserts 6 to 8
M3 Mounting Screws 4 to 5
8-32 Screw Terminals 10 to 12
M4 Terminal Screws 10 to 12
10-32 Screw Terminals 14 to 15
M5 Screw Terminals 14 to 15
1/2 - 32 Mounting Bushing 30 to 35
Where applicable, mechanical support must be provide to the terminals when
applying torque
http://airpax.sensata.com/ IAG/IUG/IEG/CEG Series - Decision Tables 124
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Internal Configuration
Third Decision
3
* Only one auxiliary switch is normally supplied on two or
three pole units. Switch is located in the right-hand pole
(viewed from terminal end) unless otherwise specified.
-0
-1
-1REC4
-1REC5
-1REG4
-1RS4
-1RLS4
-3
-4
Switch only
Series
Series w/ auxiliary switch *
.110 quick connect
Series w/ auxiliary switch *
.187 quick connect
Series w/ auxiliary switch
(gold contacts)*
.110 quick connect
Series w/ alarm switch,
electrical trip,
.110 Q.C. terminals
Series w/ alarm switch,
electrical trip,
.110 Q.C. terminals (mid-trip only)
Shunt
Relay
1234
IEG 1 - 1REC4 - 61 - 20.0 - 01 - V
57
Example:
Black
Yellow
Red
Blue
Green
Orange
White
-00
-10
-20
-30
-40
-60
-90
-01 (STD)
-11
-21
-31
-41
-61
-91
Seventh Decision
7
Handle Color and Marking Selection
Toggle Handle
Fifth Decision
5
Rated Current
.100
.250
.500
.750
1.00
2.50
5.00
7.50
* IDG/IDGH is rated for 30 amps max.
Standard ratings listed. For other ratings,
please contact the factory.
10.0
15.0
20.0
30.0
35.0*
40.0*
50.0*
Fourth Decision
4
Frequency and Delay
Switch only
400Hz short delay
400Hz long delay
400Hz motor start
400Hz 150% instant trip
DC short delay*
DC long delay*
DC motor start*
DC 125% instant trip*
50/60Hz short delay
50/60Hz long delay
50/60Hz motor start
50/60Hz short delay
50/60Hz long delay
50/60Hz motor start
50/60Hz 125% instant trip
DC/60Hz short delay
DC/60Hz long delay
DC/60Hz motor start
DC/60 Hz 135% instant trip
For addition of inertial delay, add an ìFî to any
delay numeral.
* CEG types are only available with DC ratings
SW
-41
-42
-43
-49
-51
-52
-53
-59
-61
-62
-63
-64
-65
-66
-69
-71
-72
-73
-79
Notes: A. Bezels of IAGBX, IUGBX, IEGBX, CUGBX, CEGBX are black.
B. Consult factory for other marking options.
Black
Red
Grey
Orange
White
-00
-20
-40
-50
-90
-01
-21
-41
-51
-91
-02
-22
-42
-52
-92
-03
-23
-43
-53
-93
-04
-24
-44
-54
-94
-05
-25
-45
-55
-95
-06
-26
-46
-56
-96
I-O
Fig.2
Unmarked
Marking
Detail
Seventh Decision
7
Rocker Handle Color, Indicator Color and Marking Selection (See Notes)
IAGX, IUGX, IEGX, IAGZX, IUGZX, IEGZX, CUGZX, CEGZX Rocker Handle (Single Rocker Color)
Rocker
Handle
Color
Indicating
Color
Marking
Color Indicates:
On-Off
Fig.1
On-Off
I-O
Fig.3
On-Off
I-O
Fig.6
I-O
Fig.5
On-Off
Fig.4
A
Vertical Mounting Horizontal Mounting
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Black
Black
Black
White
Red
Green
White
White
White
On
On
On
-J0
-K0
-L0
-J1
-K1
-L1
-J2
-K2
-L2
-J3
-K3
-L3
-J4
-K4
-L4
-J5
-K5
-L5
-J6
-K6
-L6
B
C
White
White
Black
Black
Black
IAGZX, IUGZX, IEGZX, CUGZX, CEGZX Rocker Handle (Dual Rocker Color)
Black
Black
Black
Black
Black
Black
White
Red
Green
White
Red
Green
White
White
White
White
White
White
On
On
On
Off
Off
Off
-A0
-B0
-C0
-F0
-G0
-H0
-A1
-B1
-C1
-F1
-G1
-H1
-A2
-B2
-C2
-F2
-G2
-H2
-A3
-B3
-C3
-F3
-G3
-H3
-A4
-B4
-C4
-F4
-G4
-H4
-A5
-B5
-C5
-F5
-G5
-H5
-A6
-B6
-C6
-F6
-G6
-H6
Black
Black
Black
Black
White
Red
Green
Yellow
White
Red
Green
Yellow
Off
Off
Off
Off
-M0
-N0
-P0
-R0
N/A
N/A
N/A
N/A
-M2
-N2
-P2
-R2
-M3
-N3
-P3
-R3
N/A
N/A
N/A
N/A
-M6
-N6
-P6
-R6
-M5
-N5
-P5
-R5
A
IAGBX, IUGBX, IEGBX, CUGBX, CEGBX Rocker Handle (Dual Rocker Color)
Sixth Decision
6
Notes:
1. One or more descriptions may be used as required.
2. When this is not used, table one may be substituted and U.S. thread
will be supplied. Unit will be rated at 250V (50/60Hz only.)
3. VDE approved at 250VAC
4. IEGS standard face plate has beveled sides(see pg.90)
* Not available on snap-in units
-A
-B
-C
-G
-L
-M
-Q
-S
-X
Standard hardware. No designation required.
Metric thread mounting inserts and terminals
Barriers*
277V (50/60Hz only) (See note 3)
Handle guard, (available in ZX, BX and snap-in
versions only)
Handle lock
Handle in opposite pole (2 pole only)
APG style “FAT” handle
Face plate sides flush with protector (see note 4)
Handle guard with no actuation feature
(BX rocker only) (Not available with mid-trip
indication)
Optional
The shaded areas denote VDE and CCC (if applicable) approval
options. This approval requires the addition of a V at the end of the
part number. The V will be added to any part number formed entirely
from shaded decisions. If non-shaded areas are selected, the unit will
not be VDE or CCC Approved, but other approvals still apply.
V = VDE and CCC Approved
*Not available in toggle seal handle type.
Second Decision
2
Poles and Terminals
Color Unmarked
Marked
ON-OFF
I-O
Handle marking color is white on black, red, blue & green
handles and black on white, yellow and orange handles.
See alternate 7th decision below for X, ZX & BZ rocker handles.
1
11
111
1111
6
66
666
6666
Push-on
Terminals
Screw
Terminals
*UL Recognized, CSA Certified
**UL Recognized, CSA Certified, VDE Approved
*** UL Recognized UL1500
+ UL489A Listed CSA Certified
++ UL489AListed CSA Certified VDE Approved
Standard toggle/mounting,
no designation required
Toggle w/ snap-in mounting
Rocker w/ standard mounting*
ZX Rocker w/ integral mounting*
BX Rocker w/ integral mounting
Sealed toggle w/bushing mounting**
Select Type and Terminal
First Decision
1
IAG
IUG*
IEG**
CUG+
CEG++
IAGH
IUGH*
IEGH**
CUGH+
CEGH++
IDG***
IDGH***
IMG**
CMG++
IMGH**
CMGH++
Type Handle and Mounting Options
S
X
ZX
BX
N
Description
One toggle handle per unit
One toggle handle per pole
One toggle handle per unit,
marine ignition protection
One toggle handle per pole
marine ignition protection
One toggle handle per unit
mid-trip indication
One toggle handle per pole
mid-trip indication
Note: Add "F" for flat screw terminals
* Not available on mid-trip units
** Available only on IAG, IUG units
Single pole
Two pole
Three pole
Four pole
This approval requires the addition of a C at the end
of the part number. The unit will not be VDE Approved.
C = CCC Approved
IAG / IUG / IEG / CEG DECISION TABLES
The ordering code for IAG/IUG/IEG/CEG/IDG circuit
protectors may be determined by following the decision
steps in the tables shown here.
The coding given permits a self-assigning part number
but with certain limitations. Special applications may
require a factory-assigned part number. Typical
examples are units with mixed ratings, combinations of
styles, or constructions not listed in the third decision
table. With these, it is suggested that order entry be by
description and/or drawings and a part number will be
established. Additionally, it is standard policy to
establish a factory-assigned part number whenever a
descriptive drawing exists to provide cross reference,
traceability and manufacturing control.
When specifying a circuit protector for AC motor start
or high inrush applications, the peak amplitude and
surge duration should be specified for factory
assistance in rating selection.
For example, the following is the code for a single pole,
IEG quick-connect type terminal, series unit with
auxiliary switch, designed for operation in a 50/60Hz
circuit. It has a short time delay, a rating of 20 amperes,
a black marked handle and is VDE approved.
To determine the ordering number for your particular
IAG/IUG/IEG/CEG unit, simply follow the steps shown.
You may use this number to place an order or as a
reference for further questions you may have.
Notes:
A. It is recommended that power leads be soldered to circuit
protectors having push-on type terminals for current trip
ratings above 20 amperes.
B. When “A” (metric thread mounting) is specified in the sixth
decision in combination with screw terminal option in the
second decision, metric screw terminals are supplied.
C. IEG, IEGH, IEGS, IEGHS, IEGX and IEGZX circuit protectors are
designed to meet 8mm creepage and clearance requirements
for installation Category III, Pollution Degree 3, Case A as
measured in IEC 664. Intended for use in equipment designed
to comply with IEC 601 and 950 and VDE 0804
and 0805.
MARKING DETAIL “A” (SEE TABLE)
INDICATION “ON”
OFF
ON
ON
OFF
LOAD LOAD
LINE
LOAD LOAD
LINE
INDICATION “OFF”
LINELINE
LINE LINE
FIG. 2 FIG. 3 FIG. 4 FIG. 5
FIG. 1 FIG. 6
OFF ON
ON
OFF
OFF ON
ON
OFF
ROCKER HANDLE
COLOR INDICATING COLOR
INDICATING
COLOR
MOUNTING/INDICATOR CODE:
A, B, C MOUNTING/INDICATOR CODE:
F, G, H
ROCKER HANDLE
COLOR
FIG. 2 FIG. 3 FIG. 4 FIG. 5
FIG. 1 FIG. 6
LINE
ROCKER HANDLE
COLOR
INDICATING COLOR
MARKING DETAIL “B” (SEE TABLE)
OFFON
ON
OFF
OFFON
ON
OFF
OO
O
O
INDICATION “ON”
ON
OFF
LINE
LOAD
LOAD LINE LOAD LINE LOAD LINE
MOUNTING/INDICATOR CODE:
J, K, L
OO
O
O
ON
I
OFF
O
INDICATION “OFF”
MOUNTING/INDICATOR CODE: M, N, P, R
FIG. 2 FIG. 3 FIG. 6
LINE
LOAD LOAD
LINE
O
OFFON
O
O
ON
OFF
MARKING DETAIL “C” (SEE TABLE)
LINE
Internal Configuration
Third Decision
3
* Only one auxiliary switch is normally supplied on two pole
units. Switch is located in the right-hand pole (viewed from
terminal end) unless otherwise specified.
-1
-1REC4
-1REC5
-1REG4
-1RS4
-1RLS4
-3
Series
Series w/ auxiliary switch *
.110 quick connect
Series w/ auxiliary switch *
.187 quick connect
Series w/ auxiliary switch*
(gold contacts)
.110 quick connect
Series w/ alarm switch*,
electrical trip,
.110 Q.C. terminals
Series w/ alarm switch*,
electrical trip, mid-trip only,
.110 Q.C. terminals
Shunt
1234
LEG 6 - 1REC4 - 61 - 20.0 - 01 - V
57
Example:
Black
Yellow
Red
Blue
Green
Orange
White
-00
-10
-20
-30
-40
-60
-90
-01 (STD)
-11
-21
-31
-41
-61
-91
Seventh Decision
7
Handle Color and Marking Selection
Toggle Handle
Fifth Decision
5
Rated Current
Use three numbers to print required current value
between .100 amps minimum and 30.0 amps maximum.
For example, use:
.100 or 2.00 or 10.0
Fourth Decision
4
Frequency and Delay
50/60Hz short delay
50/60Hz long delay
50/60Hz motor start
50/60Hz 125% instant trip
For addition of inertial delay, add an “F” to any
delay numeral.
* CEG types are only available with DC ratings
-61
-62
-63
-69
Notes: A. Bezels of LEGBX are black.
B. Consult factory for other marking options.
Black
Red
Grey
Orange
White
-00
-20
-40
-50
-90
-01
-21
-41
-51
-91
-02
-22
-42
-52
-92
-03
-23
-43
-53
-93
-04
-24
-44
-54
-94
-05
-25
-45
-55
-95
-06
-26
-46
-56
-96
I-O
Fig.2
Unmarked
Marking
Detail
Seventh Decision
7
Rocker Handle Color, Indicator Color and Marking Selection (See Note)
LEGZX Rocker Handle (Single Rocker Color)
Rocker
Handle
Color
Indicating
Color
Marking
Color Indicates:
On-Off
Fig.1
On-Off
I-O
Fig.3
On-Off
I-O
Fig.6
I-O
Fig.5
On-Off
Fig.4
A
Vertical Mounting Horizontal Mounting
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Black
Black
Black
White
Red
Green
White
Red
Green
White
Red
Green
White
White
White
On
On
On
-J0
-K0
-L0
-J1
-K1
-L1
-J2
-K2
-L2
-J3
-K3
-L3
-J4
-K4
-L4
-J5
-K5
-L5
-J6
-K6
-L6
B
C
LEGZX Rocker Handle (Dual Rocker Color)
Black
Black
Black
Black
Black
Black
White
White
White
White
White
White
White
White
Black
Black
Black
On
On
On
Off
Off
Off
-A0
-B0
-C0
-F0
-G0
-H0
-A1
-B1
-C1
-F1
-G1
-H1
-A2
-B2
-C2
-F2
-G2
-H2
-A3
-B3
-C3
-F3
-G3
-H3
-A4
-B4
-C4
-F4
-G4
-H4
-A5
-B5
-C5
-F5
-G5
-H5
-A6
-B6
-C6
-F6
-G6
-H6
Black
Black
Black
Black
White
Red
Green
Yellow
White
Red
Green
Yellow
Off
Off
Off
Off
-M0
-N0
-P0
-R0
N/A
N/A
N/A
N/A
-M2
-N2
-P2
-R2
-M3
-N3
-P3
-R3
N/A
N/A
N/A
N/A
-M6
-N6
-P6
-R6
N/A
N/A
N/A
N/A
A
LEGBX Rocker Handle (Dual Rocker Color)
Sixth Decision
6
Notes:
1. One or more descriptions may be used as required.
2. When this is not used, table one may be substituted and U.S. thread
will be supplied. Unit will be rated at 250V (50/60Hz only.)
3. LEGS standard face plate has beveled sides(see pg. 90)
* Not available on mid-trip units
-A
-G
-L
-S
-X*
-Z
Standard hardware. No designation required.
Metric thread mounting inserts and terminals
Handle guard, (available in ZX, BX and snap-in
versions only)
Handle lock
Face plate sides flush with breaker
Handle guard with no actuation feature
(BX rocker only)
"Z" Barriers
Optional
The shaded areas denote VDE Approval options.
This approval requires the addition of a V at the end of
the part number. The V will be added to any part number
formed entirely from shaded decisions.
If non-shaded areas are selected, the unit will
not be VDE Approved, but other
approvals still apply.
V = VDE Approved
Color Unmarked
Marked
ON-OFF
I-O
Handle marking color is white on black, red, blue & green
handles and black on white, yellow and orange handles.
See alternate 7th decision below for ZX & BZ rocker handles.
Standard toggle/mounting,
no designation required
Toggle w/ snap-in mounting
ZX Rocker w/ integral mounting*
BX Rocker w/ integral mounting
Select Type and Terminal
First Decision
1
LEG
LMG
LEGH
LMGH
Type Handle and Mounting Options
S
ZX
BX
Description
One toggle handle per unit
One toggle handle per unit
mid-trip indication
One toggle handle per pole
One toggle handle per pole
mid-trip indication
Note: Add "F" for flat screw terminals
* Not available on mid-trip units
Note: All types are UL489 listed, CUL certified
*Not available in toggle seal handle type.
Second Decision
2
Poles and Terminals
1
11
6
66
Push-on
Terminals
Screw
Terminals
Single pole
Two pole
This approval requires the addition of a C at the end
of the part number. The unit will not be VDE Approved.
C = CCC Approved
http://airpax.sensata.com/ LEG Series - Decision Tables 126
LEG Series - Decision Tables125
IAG/IUG/IEG/CEG/LEG
http://airpax.sensata.com/
LEG DECISION TABLES
The ordering code for LEG circuit breakers may be
determined by following the decision steps in the tables
shown here.
The coding given permits a self-assigning part number
but with certain limitations. Special applications may
require a factory-assigned part number. Typical examples
are units with mixed ratings, combinations of styles, or
constructions not listed in the third decision table. With
these, it is suggested that order entry be by description
and/or drawings and a part number will be established.
Additionally, it is standard policy to establish a factory-
assigned part number whenever a descriptive drawing
exists to provide cross reference, traceability and
manufacturing control.
When specifying a circuit breaker for AC motor start
or high inrush applications, the peak amplitude and surge
duration should be specified for factory assistance in
rating selection.
For example, the following is the code for a single
pole, LEG screw type terminal, series unit with auxiliary
switch, designed for operation in a 50/60Hz circuit. It has
a short time delay, a rating of 20 amperes, a black marked
handle and is VDE approved.
To determine the ordering number for your particular LEG
unit, simply follow the steps shown. You may use this
number to place an order or as a reference for further
questions you may have.
Notes:
A. When “A” (metric thread mounting) is specified in the sixth decision in
combination with screw terminal option in the second decision, metric
screw terminals are supplied.
B. LEG, LEGH, LEGS, LEGHS, LEGZX and LEGBX circuit breakers are
designed to meet 8mm creepage and clearance requirements for instal-
lation Category III, Pollution Degree 3, Case A as measured in IEC 664.
Intended for use in equipment designed to comply with IEC 601 and 950
and VDE 0804 and 0805.
MARKING DETAIL “A” (SEE TABLE)
INDICATION “ON”
OFF
ON
ON
OFF
LOAD LOAD
LINE
LOAD LOAD
LINE
INDICATION “OFF”
LINELINE
LINE LINE
FIG. 2 FIG. 3 FIG. 4 FIG. 5
FIG. 1 FIG. 6
OFF ON
ON
OFF
OFF ON
ON
OFF
ROCKER HANDLE
COLOR INDICATING COLOR
INDICATING
COLOR
MOUNTING/INDICATOR CODE:
A, B, C MOUNTING/INDICATOR CODE:
F, G, H
ROCKER HANDLE
COLOR
FIG. 2 FIG. 3 FIG. 4 FIG. 5
FIG. 1 FIG. 6
LINE
ROCKER HANDLE
COLOR
INDICATING COLOR
MARKING DETAIL “B” (SEE TABLE)
OFFON
ON
OFF
OFFON
ON
OFF
OO
O
O
INDICATION “ON”
ON
OFF
LINE
LOAD
LOAD LINE LOAD LINE LOAD LINE
MOUNTING/INDICATOR CODE:
J, K, L
OO
O
O
MOUNTING/INDICATOR CODE: M, N, P, R
FIG. 2 FIG. 3 FIG. 6
LINE
LOAD LOAD
LINE
O
OFFON
O
O
ON
OFF
MARKING DETAIL “C” (SEE TABLE)
ON
I
OFF
O
INDICATION “OFF”
LINE
Important Notice: Sensata Technologies (Sensata) reserves the right to make changes to or discontinue any
product or service identified in this publication without notice. Sensata advises its customers to obtain the
latest version of the relevant information to verify, before placing any orders, that the information being
relied upon is current. Sensata assumes no responsibility for infringement of patents or rights of others
based on Sensata applications assistance or product specifications since Sensata does not possess full
access concerning the use or application of customers’ products. Sensata also assumes no responsibility for
customers’ product designs.
BUSINESS CENTERS
Sensata Technologies
807 Woods Road
Sensata Technologies Inc.
529 Pleasant Street
Sensata Technologies
Sensata Technologies Holland B.V.
7602 EM Almelo, The Netherslands
Sensata Technologies China Co., Ltd.
Novel Plaza, 8th Floor
128 Nanjing Road West
Shaghai, 20003
People’s Republic of China
Sensata Technologies Korea Ltd.
29F, Trade Tower
Sensata Technologies Japan Ltd.
305, Tanagashira
Oyama-cho, Sunto-gun, Shizuoka-ken
Japan, 410-1396
Sensata Technologies Nihon-Airpax
6-3, Chi Yoda 5 Chome
Japan, 350-0214
This document is generated from the AIRPAX™ full-line catalog #2455005000 printed in USA, January 2011
