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OMRON Snap Action Switch: Pin Plunger Actuator, 1NO/1NC - Plunger Snap-Action Switches
OMRONPlunger Snap-Action Switches

OMRON Snap Action Switch: Pin Plunger Actuator, 1NO/1NC

The OMRON Snap Action Switch is a pin plunger actuator switch from the A Series, featuring a 1NO/1NC contact configuration with solder electrical connection. It has an AC contact rating of 20 A at 480 V, as specified…

SKU 3G-OTH-40333

Brand
OMRON
Item
Snap Action Switch: Pin Plunger Actuator, 1NO/1NC
Category
Plunger Snap-Action Switches
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Technical Specifications

OMRON
Manufacturer Part Number
A-20G
Series
A
AC Contact Rating
20 A @ 480 V
Electrical Connection
Solder
View Full Spec Sheet

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OMRON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OMRON Snap Action Switch is a pin plunger actuator switch from the A Series, featuring a 1NO/1NC contact configuration with solder electrical connection. It has an AC contact rating of 20 A at 480 V, as specified by the manufacturer part number A-20G.

Frequently Asked Questions

What is the OMRON A-20G snap action switch used for?

The OMRON A-20G snap action switch is used for industrial position sensing, limit control, and interlock applications. Its pin plunger actuator and 1NO/1NC contacts make it suitable for automation equipment, conveyors, and machine tools requiring reliable switching at up to 20 A and 480 V AC.

What are the specifications of the OMRON A-20G switch?

The OMRON A-20G is a snap action switch from the A Series with a pin plunger actuator. It has a 1NO/1NC contact configuration, solder electrical connection, and an AC contact rating of 20 A at 480 V. The manufacturer part number is A-20G.

Where to buy the OMRON A-20G switch worldwide?

You can source the OMRON A-20G snap action switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this OMRON A Series switch.

How to install the OMRON A-20G snap action switch?

Install the OMRON A-20G by mounting it securely with the pin plunger aligned to the actuating mechanism. Use solder connections per the manufacturer's wiring diagram, ensuring the 1NO/1NC contacts are correctly wired. Follow standard industrial safety practices and verify the 20 A, 480 V AC rating matches your circuit.

Used in

Common applications for OMRON
Automotive assembly lines — OMRON G2RV-ST500 AC/DC24 slim relays for compact control panel switching
Packaging machinery — OMRON E2E-X5Y1-M1 inductive proximity sensors for position detection of metal parts
HVAC systems — OMRON LY4-DC12 general-purpose relays for fan and compressor control
High-temperature ovens — OMRON E32-D51 fiber-optic cables for non-contact temperature sensing
Material handling — OMRON D4CC3002 limit switches for conveyor belt end-of-travel detection
Machine tool safety — OMRON TZ-1GV22 snap-action switches for interlock and guard monitoring

OMRON Products

3G Electric supplies OMRON plunger snap-action switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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