A21-B0-52-640-Q11-MJ The A21-B0-52-640-Q11-MJ is a circuit breaker manufactured by Littelfuse Inc. with a current rating of 40A and a voltage rating of 277V.
Mfr Part #:

A21-B0-52-640-Q11-MJ

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The A21-B0-52-640-Q11-MJ is a circuit breaker manufactured by Littelfuse Inc. with a current rating of 40A and a voltage rating of 277V.
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$ Price Range: $0.99

A21-B0-52-640-Q11-MJ 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

A21-B0-52-640-Q11-MJ Description

Short technical summary and product information.

The A21-B0-52-640-Q11-MJ is a circuit breaker designed for electrical circuit protection. It features a current rating of 40A and a voltage rating of 277V, suitable for various electrical systems requiring overcurrent protection. This device is used in residential, commercial, and industrial applications to prevent damage caused by overloads and short circuits.

 

Constructed as a standard circuit breaker, it is mounted in electrical panels and distribution boards. Its specifications ensure reliable operation within its rated electrical parameters. The device complies with industry standards for circuit protection and is suitable for integration into electrical systems requiring precise overcurrent interruption.

 

Manufactured by Littelfuse Inc., the part number A21-B0-52-640-Q11-MJ provides a robust solution for circuit protection needs, ensuring safety and compliance in electrical installations.

A21-B0-52-640-Q11-MJ Quick Information

Product Type: Circuit Breaker
Canonical Name: A21-B0-52-640-Q11-MJ Circuit Breaker

A21-B0-52-640-Q11-MJ Compliance

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

A21-B0-52-640-Q11-MJ Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

A21-B0-52-640-Q11-MJ Features

  • Rated for 40A current capacity.
  • Operates at 277V voltage rating.
  • Designed as a circuit breaker for protection.
  • Manufactured by Littelfuse Inc.
  • Part number A21-B0-52-640-Q11-MJ.

A21-B0-52-640-Q11-MJ Applications

  • Protects electrical circuits from overloads.
  • Suitable for industrial circuit breaker applications.
  • Used in residential and commercial electrical panels.
  • Provides circuit interruption at 40A current rating.
  • Designed for high-voltage electrical systems.

A21-B0-52-640-Q11-MJ FAQs

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

The current rating is 40A.

What is the voltage rating of the circuit breaker?

The voltage rating is 277V.

A21-B0-52-640-Q11-MJ Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
AC1-B0-14-640-H34-MJ
AC1-B0-14-640-H34-MJ
Littelfuse Inc.
The Littelfuse Inc. AC1-B0-14-640-H34-MJ is a panel mount circuit breaker. It features a 40A current rating and a 277V voltage rating.
View Part
A21-B0-52-640-M31-MJ
A21-B0-52-640-M31-MJ
Littelfuse Inc.
The Littelfuse Inc. A21-B0-52-640-M31-MJ is a single-pole, magnetic hydraulic delay circuit breaker. It features a 40A current rating and a 277V voltage rating.
View Part
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