A-20G-B Omron, A-20G-B Datasheet

A-20G-B

Manufacturer Part Number

A-20G-B

Description

BASIC SWITCH

Manufacturer

Omron

Series

Datasheets

1.A-20G.pdf (8 pages)

2.A-20G-B.pdf (6 pages)

Specifications of A-20G-B

Circuit

SPDT

Switch Function

On-Mom

Contact Rating @ Voltage

20A @ 125VAC

Actuator Type

Round (Pin Plunger)

Mounting Type

Chassis Mount

Termination Style

Screw Terminal

Operating Force

625gf

Microswitch Type

Snap Action

Actuator Style

Pin Plunger

Operating Force Max

625gf

Contact Voltage Ac Nom

500V

Contact Voltage Dc Nom

250V

Contact Current Max

20A

Switch Terminals

Screw

Contact Form

SPDT

Contact Rating

20 Amps at 250 Volts

Actuator

Plunger, Pin

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

A20GB

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High-capacity Switch Capable of

Handling 20 A Loads with Large

Inrush Currents

• Same shape as OMRON Z Basic Switches except in pin plunger

Model Number Structure

Model Number Legend

(1) Ratings

(2) Contact Gap

(3) Actuator

(4) Terminals

Specifications

Ratings

Note: 1. The above values are for steady-state current.

125 VAC

250 VAC

500 VAC

8 VDC

14 VDC

30 VDC

125 VDC

250 VDC

voltage

position, yet endures inrush currents as large as 75 A.

Rated

General-purpose Basic Switch

A - 20 G @ - @

(V)

None : Pin plunger

None : Solder terminal

Q21

Q22

V21

V22

2. Inductive load has a power factor of 0.4 min. (AC) and a time constant

3. Lamp load has an inrush current of 10 times the steady-state current.

4. Motor load has an inrush current of 6 times the steady-state current.

5. The ratings values apply under the following test conditions:

Be sure to read Safety Precautions on page 5 and Safety

Precautions for All Basic Switches.

of 7 ms max. (DC).

(1) Ambient temperature: 20±2°C

(2) Ambient humidity: 65±5%RH

(3) Operating frequency: 20 operations/min

(1) (2) (3) (4)

: 20 A (250 VAC)

: 0.5 m

: Short spring plunger

: Panel mount plunger

: Panel mount cross roller plunger

: Panel mount roller plunger

: Hinge lever

: Hinge roller lever

: Short hinge lever

: Short hinge roller lever

: Screw terminal (with toothed washer)

Resistive

Non-inductive load (A)

load

0.5

0.25

Accessories (Terminal Covers, and Separators): Refer to Z/A/X/DZ Common Accessories.

0.5

0.25

Lamp load

7.5

1.5

0.5

0.25

Inductive

load

0.05

0.03

Inductive load (A)

Motor load

Ordering Information

Actuator

Pin plunger

Short spring plunger

Panel mount plunger

Panel mount roller plunger

Panel mount cross roller plunger

Short hinge lever

Hinge lever

Short hinge roller lever

Hinge roller lever

12.5

8.3

0.05

0.03

Certified Standard Ratings

Ask your OMRON representative for information on certified models.

UL/CSA (General ratings only)

Rated voltage

125 VAC

250 VAC

480 VAC

125 VDC

250 VDC

Terminal

Model

Solder terminal

A-20G

A-20GD

A-20GQ

A-20GQ22

A-20GV21

A-20GV

A-20GV22

A-20GV2

Model

---

1 HP 10 A "L"

A-20G

0.25 A

2 HP

0.5 A

Screw terminal (-B)

20 A

CSM_A_DS_E_2_1

A-20G-B

A-20GD-B

A-20GQ-B

A-20GQ22-B

A-20GQ21-B

A-20GV21-B

A-20GV-B

A-20GV22-B

A-20GV2-B

Model

Related parts for A-20G-B

A-20G-B Summary of contents

Page 1

... VAC 8.3 480 VAC 2 125 VDC 12.5 250 VDC 12 0.05 0.05 0.03 0.03 CSM_A_DS_E_2_1 Terminal Solder terminal Screw terminal (-B) Model Model A-20G A-20G-B A-20GD A-20GD-B A-20GQ A-20GQ-B A-20GQ22 A-20GQ22-B --- A-20GQ21-B A-20GV21 A-20GV21-B A-20GV A-20GV-B A-20GV22 A-20GV22-B A-20GV2 A-20GV2-B Model A-20G "L" ...

Page 2

... Proof tracking index (PTI) 175 − 25°C to 80°C (with no icing) Ambient operating temperature Ambient operating humidity 35% to 85%RH Weight Approx *1. The value is for the pin plunger. (Contact your OMRON representative for other models.) *2. Malfunction max. Contact Specification Shape Contacts Material ...

Page 3

... A-20GQ-B OP Panel Mount Roller Plunger PT A-20GQ22-B OP Panel Mount Cross Roller Plunger PT A-20GQ21-B OP Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. Operating Characteristics Model A-20G-B Operating force OF 3.92 to 6.13 N Release force RF min. 2.79 N Pretravel PT max. 1.3 mm Over Travel OT min. 0.25 mm Movement differential MD max ...

Page 4

... Short Hinge Lever A-20GV21-B Hinge Lever A-20GV-B Short Hinge Roller Lever A-20GV22-B Hinge Roller Lever A-20GV2-B Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. Operating Char- Model A-20GV21-B acteristics OF max. 1. min. 0. max. 6 min. 1 max. 1 19±0.8 mm 24.56±0. 20.2 14 ...

Page 5

... The life varies with the switching speed and frequency even when they are within the permissible ranges. In order to determine the life of a Switch model to be applied to a particular use best to conduct an appropriate durability test on some samples of the model under actual conditions. ...

Page 6

... 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 ...

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