Molded
Case
Circuit
Breakers
15-100
Amperes
G-Frame
Cutler-Hammer
January
2001
Vol.
1,
Ref.
No.
[0474]
Type
GD
Thermal-Magnetic
Circuit
Breakers
with
Non-interchangeable
Trip
Units
Typical
G-Frame
Circuit Breaker
Product
Selection
Table
12-6. Type
GD
Thermal-Magnetic
Circuit
Breakers
with
Non-interchangeable
Trip
Units
Maximum
Continuous
@40°C
15
20
25
30
35
40
45
50
60
70
80
90
100
480V
AC
Maximum,
250V
DC
22 k AIC @
480V
AC
Includes
Line
and
Load
Terminals
2-Pole
Catalog
Number
GD2015
GD2020
G02025
GD2030
GD2035
GD2040
GD2045
GD2050
—
—
—
—
—
Price
U.S.$
260.
260.
260.
260.
260.
260.
260.
260.
3-Pole
Catalog
Number
GD3015
GD3020
GD3025
GD3030
GD3035
GD3040
GD3045
GD3050
GD3060
GD3070
GD3080
GD3090
GD3100
Price
U.S.
$
455.
455.
455.
455.
455.
455.
455.
455.
455.
580.
580.
580.
580.
Includes
Binding
Head
Screws
3-Pole
Catalog
Number
GD3015D
GD3020D
GD3025D
GD3030D
GD3035D
GD3040D
GD3045D
GD3050D
GD3060D
GD3070D
GD3080D
GD3090D
GD3100D
Price
U.S.
S
455.
455.
455.
455.
455.
455.
455.
455.
455.
580.
580.
580.
580.
Note:
Instruction
Leaflet/FRED
Number
29C102
Type
GD
Molded
Case
Switches
Product
Selection
Table 12-7.
Type
GD
Molded
Case
Switches
Maximum
Continuous
Ampere
Rating
@
40°C
480V
AC
Maximum,
250V
DC
Catalog
Number
(Includes
Line
and
Load
Terminals)
Price
U.S.
$
3-Pole
60
100
GD3060K
GD3100K
309.
454.
Note:
Molded
Case
Switches
may
open
above
1300A.
Note:
Instruction
Leaflet/FRED
Number
29C102
Discount Symbol.
CB-2
F.T'iy
For
more
information
contact
Cutler-Hammer
at:
www.ch.cutler-hammer.com/catalog
CAT.200.01.T.E
12
-
2
For more information contact Cutler-Hammer at: www.ch.cutler-hammer.com/catalog CAT.200.01.T.E
January 2001
12
Product Line Overview
Vol. 1, Ref. No. [0468]
Product Line Description
Cutler-Hammer Molded Case Circuit
Breakers are designed to provide circuit
protection for low voltage distribution
systems. They are described by NEMA
as, “. . . a device for closing and inter-
rupting a circuit between separable
contacts under both normal and
abnormal conditions,” and furthermore
as, “. . . a breaker assembled as an
integral unit in a supporting and
enclosing housing of insulating
material.” The NEC describes them as,
“A device designed to open and close
a circuit by non-automatic means, and
to open the circuit automatically on a
predetermined overload of current,
without injury to itself when properly
applied within its rating.”
So designed, Cutler-Hammer circuit
breakers protect conductors against
overloads and conductors and con-
nected apparatus, such as motors and
motor starters, against short circuits.
In low voltage distribution systems,
there are many varied applications
of molded case circuit breakers.
Cutler-Hammer offers the most
comprehensive family of molded
case circuit breakers in the industry.
This family of circuit breakers includes:
■Thermal Magnetic Trip Breakers
■Electronic rms Trip Breakers
■Molded Case Switches
■Motor Circuit Protectors
■Current Limiting Breakers
■Special Application Breakers
■World Breakers
Special Calibration
Special non-UL-listed calibrations
are available for certain ambient
temperatures other than 40°C and for
frequencies other than 50/60 Hz or DC.
Reduced interrupting ratings will apply
for 400 Hz applications. Maximum
thermal calibration is limited to 135A
at 400 Hz.
50°C Calibration
Add suffix V to Catalog Number for
complete breaker, listed above, when
ordering listed ampere ratings for
breakers to be used in 50°C ambients.
Moisture-Fungus Treatment
All circuit breaker cases are molded
from glass-polyester which does not
support the growth of fungus. Any
parts which are susceptible to the
growth of fungus will require special
treatment.
Freeze-Tested Circuit Breakers
The circuit breakers may be ordered
with freeze testing. This option uses
special lubrication and mechanical
operation is verified at -40°C.
Marine Applications
F-Frame circuit breakers can be sup-
plied to meet the following marine
specifications:
■U.S. Coast Guard CFR 46 ABS —
American Bureau of Shipping
IEEE 45
These specifications generally require
molded case circuit breakers to be
supplied with 50°C ambient calibration,
special nameplating, and plug-in
adapter kits. When plug-in adapter kits
are used, no terminals need be supplied.
Circuit breakers can also be supplied
to meet UL489 Supplement SA
(Marine Use) and UL489 Supplement
SB (Naval Use).
UL489 Supplement SA applies to vessels
over 65 feet in length. Requirements
include 40°C ambient calibration, spe-
cial labeling, and no use of aluminum
conductors or terminals.
UL 489 Supplement SB requires 50°C
ambient calibration, vibration testings,
special nameplating and no use of
aluminum conductors or terminals.
Standards and Certifications
Molded case circuit breakers are
designed to conform with the follow-
ing standards:
■Underwriters Laboratories, Inc.,
Standard UL489, Molded Case
Circuit Breakers and Circuit Breaker
Enclosures
■National Electrical Manufacturers
Association Standards Publication
No. AB1-1993, Molded Case Circuit
Breakers
■Australian Standard AS 2184,
Molded Case Circuit Breakers
■British Standards Institution Standard
BS 4752: Part 1, Switchgear and
Control Gear Part 1: Circuit Breakers
■Canadian Standards Association
Standard C22.2 No. 5, Service
Entrance and Branch Circuit Breakers
■International Electrotechnical
Commission Recommendations
IEC 157-1, Circuit Breakers
■Japanese T-Mark Standard Molded
Case Circuit Breakers
■South African Bureau of Standards,
Standard SABS 156, Standard
Specification for Molded Case Circuit
Breakers
■Swiss Electro-Technical Association
Standard SEV 157-1, Safety Regula-
tions for Circuit Breakers
■Union Technique de l’Electricite
Standard NF C 63-120, Low Voltage
Switchgear and Control Gear Circuit
Breaker Requirements
■Verband Deutscher Elektrotechniker
(Association of German Electrical
Engineers) Standard VDE 0660, Low
Voltage Switchgear and Control
Gear, Circuit Breakers
Conformance with these standards
satisfies most local and international
codes, assuming user acceptability
and simplified application.
Molded case circuit breakers equal or
exceed Federal Specification Classifi-
cation W-C-375b requirements for the
particular class associated with the cir-
cuit breaker frame being considered.
Note: For further information, see Circuit
Breaker, CD-ROM SA.74A.01.T.E.
Suffix H01 400 Hz 20% Adder
Suffix J01 Fungus Treated $325. + 20% Adder
Suffix F01 Freeze Tested 20% Adder
Suffix H08 “Marine” 10% Adder
Suffix H09 “Naval” 10% Adder
CAT.200.01.T.E For more information contact Cutler-Hammer at: www.ch.cutler-hammer.com/catalog
12
January 2001 Product Line Overview
Vol. 1, Ref. No. [0469]
Quick Reference
Table 12-1. Industrial Circuit Breakers
N.I.T. is non-interchangeable trip unit and I.T. is interchangeable trip unit.
Two-pole circuit breaker, or two poles of three-pole circuit breaker at 250V DC.
Not defined in W-C-375b.
Circuit
Breaker
Type
Cont.
Amp.
Rating
@ 40°C
No.
Poles
Volts Type
of
Trip
Federal
Spec.
W-C-
375b
UL Listed Interrupting Ratings rms Symmetrical Amperes Page
Number
AC DC AC Ratings Volts DC
120 120/240 240 277 480 600 125 250 125/250
G-Frame
GB
GB
15 – 100
15 – 100
1
2, 3
120
240
125
125/250
N.I.T. 11a
10b, 11b,
12b, 14b,
15b
65,000
—
—
—
—
65,000
—
—
—
—
—
—
14,000
—
—
—
—
14,000
12-9
12-9
GHB
GHB
GHB
GHB
HGHB
GQ
15 – 100
15 – 100
15 – 100
15 – 100
15 – 30
15 – 20
1
2, 3
1
2, 3
1
1
120
240
277
277/480
277
277
125
125/250
125
125/250
125
—
N.I.T. 11a
10b, 11b,
12b, 14b,
15b
12c, 13a,
13b
65,000
—
—
—
65,000
65,000
—
—
—
—
—
—
—
65,000
—
—
—
—
—
—
14,000
14,000
25,000
14,000
—
—
—
14,000
—
—
—
—
—
—
—
—
14,000
—
14,000
—
14,000
—
—
—
—
—
—
—
—
14,000
—
14,000
—
—
12-9
12-9
12-9
12-9
12-9
12-9
GHBS
GBHS
15 – 30
15 – 20
1, 2
1, 2
277/480
347/600
—
—
—
N.I.T.
—
—
65,000
—
65,000
—
—
—
14,000
—
—
—
—
10,000
—
—
—
—
—
—
11-14
11-14
GC
GC
15 – 100
15 – 100
1
2, 3
120
240
125
125/250
N.I.T. 11a
10b, 11b,
12b, 14b,
15b
65,000
—
—
—
—
65,000
—
—
—
—
—
—
14,000
—
—
—
—
14,000
12-11
12-11
GD
GD
15 – 50
15 – 100
2
3
480
480
125/250
250
N.I.T.
N.I.T.
13b
13b
—
—
—
—
65,000
65,000
—
—
14,000
22,000
—
—
—
—
—
10,000
10,000
—
12-8
12-8
GHC
GHC
GHC
GHC
HGHC
15 – 100
15 – 100
15 – 100
15 – 100
15 – 30
1
2, 3
1
2, 3
1
120
240
277
277/480
277
125
125/250
125
125/250
125
N.I.T. 12c, 13a
13b
12c, 13a
13b
65,000
—
—
—
65,000
—
—
—
—
—
—
65,000
—
—
—
—
—
14,000
14,000
25,000
—
—
—
14,000
—
—
—
—
—
—
14,000
—
14,000
—
14,000
—
—
—
—
—
—
14,000
—
14,000
—
12-11
12-11
12-11
12-11
12-11
New E125 Frame
E125B 15 – 125 1
2, 3, 4
277
480
250 N.I.T. —
—
35,000
—
—
—
25,000
25,000
18,000
—
—
18,000
—
—
10,000
—
—
10,000
—
—
12-16
E125E 15 – 125 2, 3, 4 600Y/347 250 N.I.T. — — — 35,000 — 25,000 18,000 10,000 10,000 — 12-16
E125S 15 – 125 1
2, 3, 4
347
600Y/347
250 N.I.T.
N.I.T.
—
—
100,000
—
—
—
85,000
85,000
35,000
—
—
35,000
—
22,000
35,000
—
—
35,000
—
—
12-16
E125H 15 – 125 1
2, 3, 4
347
600Y/347
250 N.I.T. —
—
200,000
—
—
—
100,000
100,000
65,000
—
—
65,000
—
25,000
42,000
—
—
42,000
—
—
12-17
F-Frame
ED
EDH
EDC
100 – 225
100 – 225
100 – 225
2, 3
2, 3
2, 3
240
240
240
125
125
125
N.I.T. 12b
14b
1
—
—
—
—
—
—
65,000
100,000
200,000
—
—
—
—
—
—
—
—
—
10,000
10,000
10,000
—
—
—
—
—
—
12-21
12-21
12-21
EHD
EHD
15 – 100
15 – 100
1
2, 3
277
480
125
250
N.I.T. 13a
13b
—
—
—
—
—
18,000
14,000
—
—
14,000
—
—
10,000
—
—
10,000
—
—
12-21
12-21
FDB
FDB
15 – 150
15 – 150
2, 3
4
600
600
250
250
N.I.T. 18a
—
—
—
—
18,000
18,000
—
—
14,000
14,000
14,000
14,000
—
—
10,000
10,000
—
—
12-22
12-22
FD
FD
FD
15 – 225
15 – 225
15 – 225
1
2, 3
4
277
600
600
125
250
250
N.I.T. 13a
22a
—
—
—
—
—
—
—
65,000
65,000
25,000
—
—
—
25,000
25,000
—
18,000
18,000
10,000
—
—
—
10,000
10,000
—
—
—
12-22
12-22
12-22
HFD
HFD
HFD
15 – 225
15 – 225
15 – 225
1
2,3
4
277
600
600
125
250
250
N.I.T. 13a
22a
—
—
—
—
—
—
—
100,000
100,000
65,000
—
—
—
65,000
65,000
—
25,000
25,000
10,000
—
—
—
22,000
22,000
—
—
—
12-22
12-22
12-22
FDC
FDC
15 – 225
15 – 225
2, 3
4
600
600
250
250
N.I.T. 24a
—
—
—
—
200,000
200,000
—
—
100,000
100,000
35,000
35,000
—
—
22,000
22,000
—
—
12-22
12-22
New J250 Frame
J250E
J250S
J250H
63 – 250
63 – 250
63 – 250
2, 3, 4
2, 3, 4
2, 3, 4
600
600
600
250
250
250
I.T
I.T
I.T
—
—
—
—
—
—
—
—
—
65,000
85,000
100,000
—
—
—
25,000
35,000
65,000
18,000
18,000
25,000
—
—
—
10,000
22,000
22,000
—
—
—
12-28
12-28
12-28
Molded Case Circuit Breakers
15-100
Amperes
G-Frame
Cutler-Hammer
January
2001
Vol. 1,Ref.
No.
[0472]
Contents
Description
Product Description
.
Technical
Data
and
Specifications
.
Product
Selection
...
Type
GD
Thermal-Magnetic
Circuit
Breakers
with
Non-interchangeable
Trip
Units
..............
Type
GD
Molded
Case
Switches..........
Type
GB, GHB and
HGHB
Bolt-On
Panelboard
Circuit
Breakers
.......
Type
GHBGFEP
Bolt-On
Panelboard
Ground
Fault
Circuit
Protectors.......
Types
GC, GHC and
HGHC
Circuit
Breakers
........
Type
GHCGFEP
Ground Fault
Circuit
Protectors.........
Special
Purpose
GC and
GHC
Circuit
Breakers..
Page
12-6
12-6
12-7
12-8
12-8
12-9
12-10
12-11
12-12
12-13
Product
Description
All
two-
and
three-pole circuit
breakers
are of the
common
trip
type.
On all
3-phase
Delta
(240V)
Grounded
B
phase applications, refer
to
Cutler-Hammer.
Single-pole circuit breakers,
15
and 20
amperes. Switching duty rated
(SWD)
for
fluorescent
lighting
applications.
All
G-Frame
circuit breakers
are
suitable
for
reverse feed
use.
HACR
rated.
Technical Data
and
Specifications
Interrupting Capacity Ratings
Table
12-2. UL489
Interrupting
Capacity Ratings
Circuit
Breaker
Type
GD
Number
of
Poles
2
3
Interrupting
Capacity
(Symmetrical
Amperes) (kA)
Volts
AC
(50/60
Hz)
120
—
240
65
65
277
—
480
14
22
Volts
DC
125/250®
10
250
3®
10
©
Two
poles
of
3-pole circuit breaker.
®
Time
constant
is 8
milliseconds
minimum.
Table 12-3. UL489 Interrupting Capacity Ratings (Continued)
Circuit
Breaker
Type
GB
GQ
GHB
HGHB
GC
GHC
HGHC
Number
of
Poles
1
2,3
1
2,3
1
1
2,3
1
2,3
1
Interrupting
Capacity
(Symmetrical
Amperes) (kA)
Volts
AC
(50/60
Hz)
120 1 240
277
480Y/277
65
65
65
65
65
65
65
65
—
65
65
—
—
14
25
—
14
25
—
14
—
_
14
—
Volts
DC
125
14®
14®
14
14®
14®
14
125/250
14
14
—
14
14
—
®
15
through
70A
breakers
only,
Terminal Types
For
line
and
load-side. Terminals
are UL
listed
as
suitable
for
wire
type
and
size
given below.
Table 12-4. Terminal Types
Circuit
Breaker
Amperes
Terminal
Type
Material
Screw
Head TypeWire
TypeAWGWire
Range
Metric
Wire
@
Range
(mm2)
Standard
15-20
25-100
Clamp
(Plated
Steel)
Pressure
(Aluminum
Body)
Slotted
Slotted
Cu/AI
Cu/AI
14-10
10-1/0
2.5-4
4-50
Optional
— GD
Only
15-100
Pressure
(Steel
Body)
Slotted
Cu
14-3
—
® Not UL
listed
sizes.
v.
F:T-iy
For
more information contact Cutler-Hammer
at:
www.ch.cutler-hammer.com/catalog
CAT.200.01.T.E
Cutler-Hammer
January
2001
Vol.
1,Ref.
No.
[0473]
Molded
Case Circuit Breakers
15-100
Amperes
G-Frame
Product
Selection
This
information
is
presented only
as an aid to
understanding
Catalog
Numbers.
It is not to be
used
to
build
Catalog
Numbers
for
circuit breakers
or
trip
units.
Table 12-5. Circuit Breaker/Frame Catalog Numbering System
GD 3 100 K
I
080
090
100
1
Trip
Amperes
15
20
24
30
35
40
45 "
50
60
Suffix
K
=
Molded
Case
Switch
D =
Ring
Type Terminals
C
=
Steel
Collars
V =
50°C
J01
=
Fungus Proofed
R01
=
Shock
Tested
F01
=
Freeze
Tester
HID =
High Intensity Discharge
CAT.200.01.T.E
For
more information contact
Cutler-Hammer
at:
www.ch.cutler-hammer.coin/catalog
F.T.N
