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Power Relay
G2A
Highly Reliable, 4-pole Miniature Relay Ideal
for Sequence Control
Card lift-off employed for greater life and stable quality.
Long endurance and stable quality are assured by card lift-off
system.
Mounting interchangeability with MY-series Relays.
Operation indicator mechanism incorporated for at-a-glance
monitoring of ON/OFF operation. In addition, a built-in operation
indicator model is also included in this Relay Series.
Ordering Information
Model Number Legend
1. Number of Poles and Contact Form
4: 4PDT
2. Contact Type
3: Crossbar bifurcated
3. Enclosure Construction
2: Casing
4. Terminal Shape
A: Plug-in
1P: PCB
5. Safety Breaking Mechanism
None: No
Y: Arc barrier
6. Special Element
None: Standard
D: Built-in diode
N: Built-in operation indicator
N1: Built-in operation indicator and diode
US: UL-approved
Note: 1. The coil of the G2A-432A-N1 or a built-in diode model operates with DC only.
2. The G2A Series include the G2A-434A Power Relay and G2AK Latching Relay. Refer to G2A-434 and G2AK for details.
3. Built-in indicator models satisfying international standards are available. Contact your OMRON representative for details.
Classification Plug-in terminals/Solder terminals PCB terminals
Standard model G2A-432A G2A-4321P
Arc barrier equipped model G2A-432AY ---
Built-in diode model G2A-432A-D G2A-4321P-D
Built-in operation indicator model G2A-432A-N ---
Built-in operation indicator and diode model G2A-432A-N1 ---
UL-
approved
model
Standard model G2A-432A-US G2A-4321P-US
Arc barrier equipped model G2A-432AY-US ---
Rated coil voltage
Note: 1. When placing your order, add the coil voltage rating listed in the specifications to the model number as shown below.
Example: G2A-432A 100/110 VAC
2. Built-in diode model and the operating coil of the G2A-432A-N1 are available only with DC ratings.
3. The Latching Relay (G2AK) and Fully sealed Relay (G2A-434A) developed based on the G2A are also available in this se-
ries.
G2A-@@@@@-@
1 2 3 4 5 6
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G2A
Relays Other than Standard Models
Accessories
Sockets
Note: With monitor terminal.
Relay Hold-down Clips Socket Mounting Plates
Specifications
Coil Ratings
The rated currents for some of the built-in operation indicator models differ from the values given in this table. Refer to note 5 below.
Note: 1. The rated current and coil resistance are measured at a coil temperature of 23°C with tolerances of +15%/–20% for AC rated current and
±15% for DC coil resistance.
2. The AC coil resistance and coil inductance values are for reference only.
3. Performance characteristic data is measured at a coil temperature of 23°C.
4. The maximum voltage is one that is applicable instantaneously to the Relay coil at an ambient temperature of 23°C and not continuously.
5. For built-in operation indicator models rated at 6, 12, and 24 VDC, add an LED current of approx. 5 mA to the rated currents.
Arc barrier equipped Built-in diode Built-in operation indicator
G2A-432AY G2A-432A-D G2A-432A-N
The arc barrier equipped model is
a relay designed to prevent arc
short-circuiting between phases
and can be used in a circuit which
has potential difference between
phases. The switching power of
such a circuit with potential differ-
ence must be limited to less than
1/2 the rated load when using this
Relay.
The built-in diode model is a relay
which incorporates a diode for ab-
sorption of the reverse voltage
that may be generated when the
coil is de-energized. Because the
release time of this model is long-
er than the standard model, pay
adequate attention to this point in
designing a circuit. Also, pay at-
tention to the + polarity of the coil.
The reverse-breakdown voltage
of the diode is 1,000 V.
The built-in operation indicator
model has a newly added opera-
tion indicator to the conventional
operation indication mechanism
and facilitates operation monitor-
ing without being affected by am-
bient illumination.
With the -N model (rated at 16,
12, 24, and 48 VDC) and -N1
model rated at 6, 12, 24, 48, and
100 VDC), pay attention to the +
polarity of the coil.
Track mounting Front-connecting
Socket
Screw terminals Solder terminals Wire-wrap terminals PCB
terminals
Without Hold-
down Clip
With Hold-down
Clip
Without Hold-
down Clip
With Hold-down
Clip
PYF14A PYF14(-E), PYF14A-
TU, PYF14T
PY14, PY14-3
(see note)
PY14-Y2 PY14QN(2) PY14QN(2)-Y2 PY14-0,
PY14-02
For Front-connecting Socket PYC-A2
For Back-connecting Socket PYC-3/PYC-5
For Socket Mounting Plate PYC-2
For one Socket PYP-1
For 18 Sockets PYP-18
For 36 Sockets PYP-38
Rated
voltage
Rated current Coil
resistance
Coil inductance (ref.
value)
Must
operate
Must
release
Max.
voltage
Power
consumption
50 Hz 60 Hz Armature
OFF
Armature
ON
% of rated voltage
6 VAC 295 mA 233 mA 8.9 Ω0.048 H 0.065 H 80 % max. 30 % min. 110 % Approx. 1.4 VA
12 VAC 148 mA 117 mA 34 Ω0.166 H 0.257 H
24 VAC 73 mA 58 mA 136 Ω0.691 H 1.04 H
50 VAC 35 mA 28 mA 530 Ω3.08 H 4.53 H
100/
110 VAC
17.7/
21.4 mA
14/
16.8 mA
2,200 Ω12.42/
12.38 H
18/16.4 H
200/
220 VAC
8.9/
10.8 mA
7/8.4 mA 8,800 Ω42.2/
41.8 H
72/65.5 H
6 VDC 176 mA 34 Ω0.14 H 0.26 H 10 % min. 110 % Approx. 1.1 W
12 VDC 88 mA 136 Ω0.6 H 1.0 H
24 VDC 45 mA 530 Ω2.7 H 4.6 H
48 VDC 22 mA 2,200 Ω11 H 19 H
100 VDC 11.4 mA 8,800 Ω43 H 73 H
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G2A
Contact Ratings
Characteristics
Note: 1. The data shown above are initial values.
2. The contact resistance was measured with 0.1 A at 5 VDC using the voltage drop method.
3. The operate or release time was measured with the rated voltage imposed with any contact bounce ignored at an ambient temperature
of 23°C.
4. The insulation resistance was measured with a 500-VDC megger applied to the same places as those used for checking the dielectric
strength.
5. The electrical endurance was measured at an ambient temperature of 23°C.
6. This value was measured at a switching frequency of 60 operations per minute.
Approved by Standards
UL508 (File No. E41515)
Load Resistive load (cosφ = 1) Inductive load (cosφ = 0.4) (L/R = 7 ms)
Contact type Crossbar bifurcated
Contact material Movable: AgAu-clad AgPd
Fixed: AgPd
Rated load 0.3 A at 110 VAC
0.5 A at 24 VDC
0.2 A at 110 VAC
0.3 A at 24 VDC
Rated carry current 3 A
Max. switching power 250 VAC, 125 VDC
Classification Standard/Acr barrier equipped/Built-in operation
indicator models (G2A-@-N)
Built-in diode/Built-in operation indicator models
(G2A-@-N1)
Contact resistance
(see note 2)
100 mΩ max.
Operate time (see note 3) 15 ms max.
Release time (see note 3) 15 ms max. 30 ms max.
Max. operating frequency Mechanical: 18,000 operations/hour
Electrical: 1,800 operations/hour (under rated load)
Insulation resistance
(see note 4)
100 MΩ min. (at 500 VDC)
Dielectric strength 1,500 VAC, 50/60 Hz for 1 min between coil and contacts and contacts of different polarities (700 VAC be-
tween contacts of same polarity)
Vibration resistance Destruction: 10 to 55 to 10 Hz, 0.75 mm single amplitude (1.5 mm double amplitude)
Malfunction: 10 to 55 to 10 Hz, 0.5 mm single amplitude (1.0 mm double amplitude)
Shock resistance Destruction: 1,000 m/s2
Malfunction: 100 m/s2
Error rate (level P)
(Reference value)
(see note 6)
1 mA at 100 mVDC
Endurance Mechanical: 100,000,000 operations min. (at operating frequency of 18,000 operations/hour)
Electrical: 5,000,000 operations min. (under rated load and at operating frequency of
1,800 operations/hour) (see note 5)
Ambient temperature Operating:–10°C to 40°C (with no icing or condensation)
Ambient humidity Operating:5% to 85%
Weight Approx. 38 g
Model Coil ratings Contact ratings
G2A-@-US 6 to 120 VAC
6 to 120 VDC
1 A 120 VAC (resistive load)
1 A 30 VDC (inductive load)
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G2A
Engineering Data
Maximum Switching Power Endurance
Switching current (A)
Switching voltage (V) Switching current (A)
DC resistive load
AC resistive load
DC inductive load
L/R = 7 ms
24-VDC resistive load
24-VDC
inductive load
L/R = 7 ms
110-VAC
resistive load
110-VAC
inductive load
cosφ = 0.4
AC inductive load
(cosφ = 0.4)
10
50
100
500
1,000
5,000
10,000
Endurance (x10 operations)
3
Ambient Temperature vs.
Must-operate and Must-release
Voltage
G2A AC (60 Hz)
Must-operate and reset voltage (%)
Number of Relays: 5
Must-operate
voltage
Must-release
voltage
Ambient temperature (°C)
G2A DC
Must-operate and reset voltage (%)
Number of Relays: 5
Must-operate
voltage
Must-release
voltage
Ambient temperature (°C)
Ambient Temperature vs.
Coil Temperature Rise
G2A 110 VAC (50 Hz)
Coil temperature rise ( C)
Contact
carry current
Number of Relays: 5
Ambient temperature (°C)
G2A DC
Coil temperature rise ( C)
°
Contact
carry current
Number of Relays: 5
Ambient temperature (°C)
Malfunctioning Shock
G2A-432A 100/110 VAC
Not energized
Energized
Shock direction Unit: m/s
2
Number of samples = 5
Measurement conditions: Impose a shock of
100 m/s
2
in the ±X, ±Y, and ±Z directions three
times each with the Relay energized and not
energized to check the shock values that cause
the Relay to malfunction.
°
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G2A
Coil Self-load Life Curve
(Unit: mA)
Contact Reliability
(JIS C 4530 Allen-Bradley Test Circuit)
Contact resistance (m )
Ω
Carry contact
Break contact
Make contact
Self-holding
contact
Operations (x 104)
24 VDC
Contact resistance (m )
Ω
Carry contact
Break contact
Make contact
Self-holding
contact
Operations (x 104)
Contact Reliability
(Improved Allen-Bradley Test Circuit)
Contact load: 1 mA at 5 VDC (resistive load)
Failure criterion contact resistance: 100 Ω
Contact resistance (m )
Ω
Carry contact
Break contact
Make contact
Self-holding
contact
Operations (x 104)
λ60 = 0.00153 × 106
100 VAC
λ60 = 0.00153 × 106λ60 = 0.00153 × 106
Model Specifications No. of Relays
123510
G2A-432A 100 VAC, 60 Hz 14 28 42 70 140
24 VDC 45 90 135 225 450
Life (x10 )
4
Number of Relays
100 VAC
24 VDC
Relay Mounting Adjacent Distance vs. Coil Temperature Rise
G2A-432A 24 VDC
Coil temperature rise ( C)
°
Condition: The
saturated coil
temperature is
measured with rated
coil voltage
(24 VDC) imposed.
Relay
mounting
position Upper
Lower
Average of No. 1 and No. 3
Average of No. 4. and No. 6
Average of No. 7 and No. 9
Mounting adjacent distance l (mm)
Coil temperature rise ( C)
Condition: The saturated
coil temperature is
measured with rated
voltage (110 VAC) at 60 Hz
imposed.
Relay
mounting
position
Average of No. 1 and No. 3
Average of No. 4. and No. 6
Average of No. 7 and No. 9
Mounting adjacent distance l (mm)
Upper
Lower
110 VAC
°
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G2A
Accessories (Order Separately)
Connecting Sockets
Note: 1. The PYF@A-TU is a high-humidity relay with nickel-plated rustproof terminal screws that are the same as the PYF@A in size.
2. The PYF14T is slightly different from the PYF14A(-TU) in shape and size.
3. The PYF@A-E is a finger-protection model, for which round terminals are not available. Use fork-shaped terminals or equivalent ones
instead.
Relay Hold-down Clips
Note: When using a Relay Hold-down Clip for the built-in operation indicator model, use of the PYC-A2 or PYC-5, which allows easy viewing of
the indicator, is recommended.
Front-connecting
Socket
Back-connecting Socket
DIN track/screw
mounting
Solder terminals Wire-wrap terminals PCB terminals
PYF14A(-E)
PYF14A-TU
PYF14T
PY14
PY14-Y3 PY14-Y2
(with Relay
Hold-down Clip)
PY14QN(2) PY14QN(2)-Y2
(with Relay
Hold-down Clip)
PY14-0 PY14-02
PY14-3 Back-connecting Socket
(with check terminals for operation monitoring)
Check terminal for operation monitoring
Built-in operation monitoring lamp possible
Panel Cutout
81
56
28
38.5
29 (7.7)
0.334.5±0.4
2-dia. hole
Three, 1.2-dia. holes
Shorting lead
78+0.3
0
36+0.3
0
77.5+0
0.4
Relay Mounting Height with Socket
With Front-connecting Socket With Back-connecting Socket
Note: PYF14A can be used for both DIN
track mounting and screw mounting.
73
76.5
45.5
G2A G2A
PYF14A
PY14 Socket
For Front-connecting Socket For Back-connecting Socket For Socket mounting plate
PYC-A2 PYC-3 PYC-5 PYC-2
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G2A
Dimensions
Note: 1. All units are in millimeters unless otherwise indicated.
2. Dimensional tolerances are ±0.1 mm.
Built-in Operation Indicator Models
Color of operation indicator
AC model: Red
DC model: Green
Note: Do not reverse the polarity of the coil of DC Relays that have a built-in indicator or diode.
G2A-432A-N
Solder Terminal Models PCB Terminal Models Mounting Holes on PCB
(Bottom View)
Terminal Arrangement/Internal Connections
(Bottom View)
Standard Models Make-before-break
Contact Models
Arc Barrier Equipped Models Built-in Diode Models
5
4.1
12.65
4.4
Fourteen, 1.5-dia. holes
4.4
13.2
6.35
7.3
0.5
21.5 max.
28.5 max.
1.8
42.5 max. 4
0.5
1
2.6
21.5 max.
0.5
28.5 max.
Fourteen, 1.2-dia. 1.2 holes x 3 elliptic holes
1.8
42.5 max. 5.4
2.6
100/110, 200/220 VAC
6, 12, 24, 50 VDC
6, 12, 24 VDC 48, 100 VDC
G2A-432A-N1
6, 12, 24 VDC 48, 100 VDC
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G2A
Safety Precautions
Refer to Safety Precautions for All Relays.
A DC coil model with a built-in indicator or built-in diode has coil
polarity. Be sure to wire the terminals correctly, otherwise the diode
may be broken or the operating indicator may not be lit. Furthermore,
as a result of the short-circuiting of the built-in diode, the devices in
the circuit may be damaged.
Socket Mounting Plates (t = 1.6 mm)
Use any of these plates when mounting two or more Sockets side-by-side
PYP-1 (for Single Socket Mounting) PYP-18 (for Mounting 18 Sockets) PYP-36 (for Mounting 36 Sockets)
Note: PYP-18 and PYP-36 can be cut to a desired length for
mounting less than 18 or 36 Sockets, respectively.
49
Two, 3.4-dia. holes
28
Square
hole
492
72 elliptic holes 21.6 4.5
3.4
13.1
49
27.4 x 17 = 465.8±0.6
±0.15
42±0.1
42±0.1
492
72 elliptic holes 21.6 4.5
3.4
13.1
R1.7
86.4
21.6
13.1
27.4 x 17 = 465.8±0.6
27.4
±0.15
39.7±0.2
39.7±0.2
21.4+0.2
0
R1.7
27.4
27.4 x 17 = 465.8±0.6
In the interest of product improvement, specifications are subject to change without notice.
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
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Safety Precautions for All Relays
Refer to the Safety Precautions section for each Relay for specific precautions applicable to that Relay.
Precautions for Safe Use
Observe the following precautions to
ensure safety.
Do not touch the terminal section (charged section) of the Relay or
Socket while power is being supplied. Electric shock may occur.
Never use a Relay for a load that exceeds the contact ratings of the
Relay, such as the switching capacity. Doing so may result in
reducing Relay performance for insulation failure, contact welding,
and contact faults, and might even result in burning or other
damage to the Relay itself.
Do not drop the Relay or dismantle it. Doing so may reduce Relay
performance and might even result in burning or other damage to
the Relay itself.
Relay durability is greatly affected by the switching conditions.
Always test the Relay under actual application conditions to confirm
applicability and use the Relay only for the number of switching
operations that will not affect performance. Continued application of
a Relay with reduced performance may result in insulation failure
between circuits or in burning in the Relay itself.
Do not apply an overvoltage or incorrect voltage to the coil, and do
not wire the terminals incorrectly. Incorrect application may prevent
the Relay from performing its designed function, may affect
external circuits, and may even result in burning or other damage to
the Relay itself.
Do not use the Relay in atmospheres containing inflammable or
explosive gases. Switching arcs or Relay heating may result in fire
or explosion.
Wire the Relay correctly according to the Precautions for Correct
Use when performing wiring or soldering. If the Relay is used with
wiring or soldering that is defective, abnormal heating while power
is supplied may result in burning.
Relay Application
Before actually using the Relay, perform all possible tests to
confirm applicability. Unexpected trouble can occur in actual
operation that would not be anticipated in theoretical planning.
Unless otherwise specified, all ratings and performances given in
this catalog are for JIS C5442 standard test conditions
(temperature: 15 to 35°C, humidity: 25% to 75%, pressure: 86 to
106 kPa). When testing the Relay in the actual application, use the
operating environment that will exist in actual applications along
with the actual load conditions.
All reference data provided in this catalog are from measurement
samples taken from production lines and represented in graph
form. Actual values will depend on the application.
All ratings and performances given in this catalog are from
independent tests. Values will vary for different combinations of
ratings and performances.
Precautions for Correct Use
Refer to Technical Guide for General-purpose Relays.
In the interest of product improvement, specifications are subject to change without notice.
2007.3
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/ (c)Copyright OMRON Corporation 2007 All Rights Reserved.
In the interest of product improvement, specifications are subject to change without notice.
Read and Understand This Catalog
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or
comments.
Warranty and Limitations of Liability
WARRANTY
OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if
specifi ed) from date of sale by OMRON.
OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-INFRINGEMENT, MERCHANTABILITY, OR
FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS
DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. OMRON DISCLAIMS ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED.
LIMITATIONS OF LIABILITY
OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS, OR COMMERCIAL
LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR
STRICT LIABILITY.
In no event shall responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted.
IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS
OMRON'S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT
SUBJECT TO CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE MODIFICATION OR REPAIR.
Application Considerations
SUITABILITY FOR USE
OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's
application or use of the product.
At the customer's request, OMRON will provide applicable third party certifi cation documents identifying ratings and limitations of use that apply to the
products. This information by itself is not suf cient for a complete determination of the suitability of the products in combination with the end product,
machine, system, or other application or use.
The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible
uses of the products, nor is it intended to imply that the uses listed may be suitable for the products:
• Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this catalog.
• Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles, safety
equipment, and installations subject to separate industry or government regulations.
• Systems, machines, and equipment that could present a risk to life or property.
Please know and observe all prohibitions of use applicable to the products.
NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE
SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCT IS PROPERLY RATED AND
INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
Disclaimers
CHANGE IN SPECIFICATIONS
Product specifi cations and accessories may be changed at any time based on improvements and other reasons.
It is our practice to change model numbers when published ratings or features are changed, or when signifi cant construction changes are made.
However, some specifi cations of the product may be changed without any notice. When in doubt, special model numbers may be assigned to fi x
or establish key specifi cations for your application on your request. Please consult with your OMRON representative at any time to confi rm actual
specifi cations of purchased product.
DIMENSIONS AND WEIGHTS
Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown.
ERRORS AND OMISSIONS
The information in this catalog has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical,
typographical, or proofreading errors, or omissions.
PERFORMANCE DATA
Performance data given in this catalog is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent
the result of OMRON’s test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON
Warranty and Limitations of Liability.
PROGRAMMABLE PRODUCTS
OMRON shall not be responsible for the user's programming of a programmable product, or any consequence thereof.
COPYRIGHT AND COPY PERMISSION
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This catalog is protected by copyright and is intended solely for use in conjunction with the product. Please notify us before copying or reproducing this
catalog in any manner, for any other purpose. If copying or transmitting this catalog to another, please copy or transmit it in its entirety.