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

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

The OMRON Snap Action Switch with Plunger Actuator (MPN A-20GQ) is a plunger snap-action switch from the OMRON Series A. It features a 1NO/1NC contact configuration, a solder electrical connection, and an AC contact…

SKU 3G-OTH-40351

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

OMRON
Manufacturer Part Number
A-20GQ
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 with Plunger Actuator (MPN A-20GQ) is a plunger snap-action switch from the OMRON Series A. It features a 1NO/1NC contact configuration, a solder electrical connection, and an AC contact rating of 20 A @ 480 V.

Frequently Asked Questions

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

The OMRON A-20GQ snap action switch is used for precision position sensing and limit control in industrial automation, packaging machinery, and conveyor systems. Its plunger actuator provides reliable mechanical switching at high currents up to 20 A at 480 VAC.

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

The OMRON A-20GQ is a Series A snap action switch with a 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-20GQ.

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

You can source the OMRON A-20GQ 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.

How to install the OMRON A-20GQ plunger switch?

Mount the OMRON A-20GQ securely using the provided holes, ensuring the plunger aligns with the actuating mechanism. Solder wires to the common, normally open, and normally closed terminals per your circuit. Avoid over-travel beyond the switch's rated limit to prevent damage.

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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