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OMRON A20GQB industrial snap switch

This is a snap action switch that is unsealed and features a single-pole double-throw (SPDT) contact configuration. It has a contact rating of 20A at 250 VAC, with an electrical service life of at least 500,000 operations and a mechanical service life of at least 1 million operations. The switch includes screw terminal connections for easy wiring and is designed for reliable, rapid switching applications. Suitable for controlling motors, lamps, and solenoids with high inrush currents, this switch endures large loads and ensures safety with UL, CSA, and SEV certifications.

Authorized Distributors
Source:Newark
Part No:A-20GQ-B
Stock:68
Inv Date:05-28-2026
Price: Unit price: $36.76
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Source:DigiKey
Part No:A-20GQ-B
Stock:33
Inv Date:05-28-2026
Price: Unit price: $35.12
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Source:DigiKey
Part No:A20GQB
Stock:33
Inv Date:05-28-2026
Price: Unit price: $35.12
Buy/RFQ:
Part No:A-20GQ-B
Stock:4
Inv Date:05-29-2026
Price: Unit price: $30.02
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Part No:A-20GQ-B
Stock:12
Inv Date:05-28-2026
Price: Unit price: $30.86
Buy/RFQ:
Part No:A20GQB
Stock:93
Inv Date:05-28-2026
Price: Unit price: $23.45
Buy/RFQ:
Part No:A20GQB
Stock:93
Inv Date:05-28-2026
Price: Unit price: $23.45
Buy/RFQ:

OMRON A20GQB industrial snap switch Specifications:

  • Contact Rating: 20A at 250 VAC
  • Electrical Service Life: 500,000 operations minimum
  • Mechanical Service Life: 1,000,000 operations minimum
  • Contact Resistance: 5mΩ max.
  • Insulation Resistance: 100 MΩ min. at 500 VDC
  • Dielectric Strength: 1,000 VAC between non-continuous terminals; 2,000 VAC between each terminal and ground
  • Operating Speed: 0.01 mm to 1 m/sec
  • Operating Frequency (Mechanical): 240 operations per minute
  • Temperature Range: -25°C to 80°C
  • Humidity: 35% to 85% RH
  • Weight: 23 to 58 g
  • Certifications: UL, CSA, SEV (markings vary)

Buy the Buy OMRON Switch Part Number A20GQB Online

Enhance your control systems with the high-quality OMRON snap switch, rated 20A at 250 VAC, featuring screw terminals for easy wiring. This robust switch is ideal for controlling motors, lamps, and solenoids with large inrush currents. With a mechanical life of over 1 million operations and an electrical life of 500,000, it ensures reliable, long-term performance in industrial environments. Certified for UL, CSA, and SEV, this switch combines safety, efficiency, and durability for your automation and electrical control needs.

Get OMRON A20GQB today—designed for high load capacity and long-lasting durability in rapid switching applications.

Frequently Asked Questions

Where can I buy OMRON A20GQB?

You can click on the BUY or RFQ button to purchase A20GQB from an authorized OMRON distributor.

How do I troubleshoot issues or seek technical support for part A20GQB?

You can download the A20GQB datasheet or visit the OMRON website for support.

Who is the manufacturer of A20GQB?

OMRON

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