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CIT Relay and Switch AST21SEBQ Sealed Miniature Toggle Switch

This sealed miniature toggle switch offers reliable operation in compact electronic applications, providing dust and moisture protection with a sealed housing design, making it suitable for demanding environments. It features a sturdy brass actuator, high-quality copper alloy contacts with silver plating, and robust nylon housing that complies with RoHS standards. With electrical ratings of 5A at 120VAC and 28VDC and a typical electrical lifespan of 30,000 cycles, this switch is ideal for industrial, automation, and control systems requiring dependable switching performance.

Authorized Distributors
Source:DigiKey
Part No:AST21SEBQ
Stock:0
Inv Date:05-30-2026
Price: Unit price: $2.34075
Buy/RFQ:

CIT Relay and Switch AST21SEBQ Sealed Miniature Toggle Switch Specifications:

  • Electrical Ratings: 5A @ 120VAC, 28VDC; 2A @ 250VAC
  • Electrical Life: 30,000 cycles typical
  • Contact Resistance: < 20 mQ max initial @ 2-4VDC, 100mA
  • Dielectric Strength: 1500Vrms min
  • Insulation Resistance: > 100MQ min
  • Operating Temperature: 40°C to 85°C
  • Storage Temperature: 40°C to 85°C
  • Materials: RoHS compliant, Brass actuator, Nylon housing, Steel support bracket, Copper alloy contacts with silver plating
  • Housing: Flame Retardant, UL94V-0
  • Support Bracket: Steel, Tin Plated
  • Actuator: Brass, Chrome Plated

Buy the Circuit Interruption Technology Series Switch: AST21SEBQ

Purchase the sealed miniature toggle switch online today for reliable performance in demanding environments. Featuring dust and moisture protection, a sealed housing, and a robust construction, this switch offers outstanding durability with an electrical lifespan of 30,000 cycles. Designed for industrial and automation applications, it delivers precise switching with ratings of 5A at 120VAC and 28VDC. Easy to install with a variety of actuator and terminal options, ensuring versatile compatibility for your control systems.

Get Circuit Interruption Technology AST21SEBQ today—built for precision and long-lasting durability.

Frequently Asked Questions

Where can I buy CIT Relay and Switch AST21SEBQ?

You can click on the BUY or RFQ button to purchase AST21SEBQ from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part AST21SEBQ?

You can download the AST21SEBQ datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of AST21SEBQ?

CIT Relay and Switch

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