AA2-B2-21-250-1B1-C The AA2-B2-21-250-1B1-C is a circuit breaker manufactured by Littelfuse with a voltage rating of 277 V and current rating of 0.5A. It features a lever actuator and panel mounting.
Mfr Part #:

AA2-B2-21-250-1B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The AA2-B2-21-250-1B1-C is a circuit breaker manufactured by Littelfuse with a voltage rating of 277 V and current rating of 0.5A. It features a lever actuator and panel mounting.
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$ Price Range: $0.99

AA2-B2-21-250-1B1-C Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Mounting Type
Number of Poles
Storage Temperature
Tape & Reel
Voltage Rating

AA2-B2-21-250-1B1-C Description

Short technical summary and product information.

The AA2-B2-21-250-1B1-C is a circuit breaker designed for electrical circuit protection applications. It has a voltage rating of 277 volts and a current rating of 0.5 amperes. The breaker employs a magnetic hydraulic delay mechanism, providing reliable circuit interruption under fault conditions. It features a lever actuator for manual operation and is intended for panel mounting, making it suitable for distribution panels and control cabinets.

 

This circuit breaker is part of Littelfuse's range of circuit protection devices, offering high performance in industrial and commercial electrical systems. Its design ensures quick response to overcurrent conditions, protecting wiring and equipment from damage. The device's specifications make it appropriate for use in environments where 277 V systems are common, such as lighting and HVAC circuits.

 

The product's physical form is a panel mount, facilitating straightforward installation in electrical enclosures. Its mechanical actuator allows for easy manual operation, and the absence of illumination features simplifies its design. The breaker's electrical characteristics are suitable for applications requiring a 0.5A current limit and 277V voltage capacity, ensuring safe and reliable circuit operation.

AA2-B2-21-250-1B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: CIRCUIT BREAKER

AA2-B2-21-250-1B1-C Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AA2-B2-21-250-1B1-C Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

AA2-B2-21-250-1B1-C Features

  • Rated for 277 V electrical systems
  • Current rating of 0.5A
  • Magnetic hydraulic delay mechanism
  • Panel mount mounting type
  • Lever actuator for manual operation

AA2-B2-21-250-1B1-C Applications

  • Used in electrical distribution panels
  • Protects lighting circuits
  • Suitable for HVAC control systems
  • Ideal for industrial circuit protection

AA2-B2-21-250-1B1-C FAQs

4 frequently asked questions generated from this part’s specifications.
What is the voltage rating of this circuit breaker?

The voltage rating is 277 V.

What is the current rating of this circuit breaker?

The current rating is 0.5A.

What type of actuator does this breaker have?

It has a lever actuator.

What mounting type does this circuit breaker use?

It is a panel mount device.

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