myMectronic
myMectronic

A Premier B2B Part Search

OMRON A20GB snap action switch

Unsealed snap action switch with a pin plunger actuator, capable of handling 20A loads at 250 VAC, suitable for motors, lamps, and solenoids. Features SPDT contact configuration, high inrush current endurance of up to 75A, and reliable operation with 500,000 electrical cycles and 1,000,000 mechanical cycles. Equipped with screw terminals for secure connections, designed for applications requiring durability and quick switching response. Optimal for industrial automation, control panels, and machinery requiring dependable, high-capacity switching components.

Authorized Distributors
Source:DigiKey
Part No:A-20G-B
Stock:8
Inv Date:05-28-2026
Price: Unit price: $22.56
Buy/RFQ:
Source:DigiKey
Part No:A20GB
Stock:8
Inv Date:05-28-2026
Price: Unit price: $22.56
Buy/RFQ:
Part No:A-20G-B
Stock:6
Inv Date:05-29-2026
Price: Unit price: $22.16
Buy/RFQ:
Part No:A-20G-B
Stock:0
Inv Date:05-28-2026
Price: Unit price: $21.84
Buy/RFQ:
Part No:A20GB
Stock:0
Inv Date:05-28-2026
Price: Unit price: $14.13
Buy/RFQ:
Part No:A20GB
Stock:0
Inv Date:05-28-2026
Price: Unit price: $14.13
Buy/RFQ:

OMRON A20GB snap action switch Specifications:

  • Contact Rating: 20A at 250 VAC
  • Inrush Current: 75A max.
  • Electrical Life: 500,000 cycles min.
  • Mechanical Life: 1,000,000 cycles min.
  • Operating Speed: 0.01 mm to 1 m/second at pin plunger
  • Operating Frequency: Mechanical 240 operations/min, Electrical 20 operations/min
  • Contact Resistance: 5mΩ max. (initial)
  • Insulation Resistance: 100 MΩ min. at 500 VDC
  • Dielectric Strength: 1,000 VAC between non-continuous terminals; 2,000 VAC between terminals and ground
  • Ambient Temperature Range: -25°C to 80°C
  • Humidity: 35% to 85% RH
  • Weight: Approx. 23 to 58 g
  • Durability: Mechanical 1,000,000 operations, electrical 500,000 operations

Buy the Omron Series A20 High-Capacity Snap Action Switch: A20GB

Purchase the Omron A20GB snap action switch online now to ensure reliable high-capacity switching for industrial automation, motor control, and equipment. Featuring 20A at 250 VAC, SPDT contact configuration, and durable screw terminal connections, this switch is designed for demanding applications needing fast, dependable response. Its proven mechanical and electrical life cycles ensure long-term performance, making it ideal for control panels, machinery, and automation systems. Buy online today for fast shipping and quality assurance.

Get Omron A20GB today—built for reliable high-current switching and long-lasting durability.

Frequently Asked Questions

Where can I buy OMRON A20GB?

You can click on the BUY or RFQ button to purchase A20GB from an authorized OMRON distributor.

How do I troubleshoot issues or seek technical support for part A20GB?

You can download the A20GB datasheet or visit the OMRON website for support.

Who is the manufacturer of A20GB?

OMRON

OMRON Part List

Browse and search other OMRON parts, locate datasheets and stock

Sponsored by