We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

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 is a plunger-actuated switch from the A Series, featuring a 1NO/1NC contact configuration with a screw electrical connection. It is rated for 20 A at 480 V AC (MPN A-20GQ21-B). This…

SKU 3G-OTH-40325

Also listed as: A20GQ21B · A 20GQ21 B

Brand
OMRON
Item
Snap Action Switch: Plunger Actuator, 1NO/1NC
Category
Plunger Snap-Action Switches
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OMRON
Manufacturer Part Number
A-20GQ21-B
Series
A
AC Contact Rating
20 A @ 480 V
Electrical Connection
Screw

Technical Documents

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

Product Description

The OMRON Snap Action Switch is a plunger-actuated switch from the A Series, featuring a 1NO/1NC contact configuration with a screw electrical connection. It is rated for 20 A at 480 V AC (MPN A-20GQ21-B). This industrial switch is designed for reliable snap-action operation in control and automation applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the OMRON Snap Action Switch A-20GQ21-B used for?

The OMRON Snap Action Switch A-20GQ21-B is a plunger-actuated switch used in industrial control and automation for reliable snap-action switching. It is commonly applied in limit sensing, safety interlocks, and position detection across machining, material handling, and packaging systems.

What are the specifications of the OMRON A-20GQ21-B snap action switch?

The OMRON A-20GQ21-B is a plunger snap-action switch from the A Series with a 1NO/1NC contact configuration. It has an AC contact rating of 20 A at 480 V and uses a screw electrical connection. The manufacturer part number is A-20GQ21-B.

Where to buy the OMRON A-20GQ21-B snap action switch worldwide?

3G Electric supplies the OMRON A-20GQ21-B snap action switch worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this switch to your facility. Contact us for availability and lead time.

How to install the OMRON A-20GQ21-B snap action switch?

Mount the OMRON A-20GQ21-B securely using the screw terminals for electrical connection. Ensure the plunger actuator aligns with the target mechanism for proper snap-action operation. Follow standard industrial wiring practices and verify the 20 A at 480 V 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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