AT1-B2-12-410-Q21-MJ The Littelfuse Inc. AT1-B2-12-410-Q21-MJ is a circuit breaker with a 1A current rating and 277V voltage rating. It features a panel mount design and magnetic (hydraulic delay) operation.
Mfr Part #:

AT1-B2-12-410-Q21-MJ

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AT1-B2-12-410-Q21-MJ is a circuit breaker with a 1A current rating and 277V voltage rating. It features a panel mount design and magnetic (hydraulic delay) operation.
Stock on Request
$ Price Range: $0.99

AT1-B2-12-410-Q21-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

AT1-B2-12-410-Q21-MJ Description

Short technical summary and product information.

This Littelfuse Inc. AT1-B2-12-410-Q21-MJ is a circuit breaker designed for reliable circuit protection. It offers a current rating of 1A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, providing specific trip characteristics. It features a simple lever actuator and a panel mount design for easy integration into systems. The unit has one pole and no illumination.

 

Compliance includes RoHS3, MSL 1, and REACH unaffected status. This component is suitable for applications requiring precise current and voltage control within its specified limits.

AT1-B2-12-410-Q21-MJ Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AT1-B2-12-410-Q21-MJ Circuit Breaker
Subcategory: Circuit Breaker

AT1-B2-12-410-Q21-MJ Compliance

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

AT1-B2-12-410-Q21-MJ Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

AT1-B2-12-410-Q21-MJ Features

  • 1A current rating for protection.
  • 277V voltage rating.
  • Magnetic (hydraulic delay) breaker type.
  • Panel mount design.
  • Lever actuator.

AT1-B2-12-410-Q21-MJ Applications

  • Suitable for general circuit protection.
  • Used in control panels.
  • Industrial equipment applications.
  • Power distribution systems.

AT1-B2-12-410-Q21-MJ FAQs

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

The voltage rating is 277V.

What is the current rating of this circuit breaker?

The current rating is 1A.

What type of breaker is this?

It is a magnetic (hydraulic delay) breaker.

How many poles does this circuit breaker have?

It has one pole.

What is the mounting type for this breaker?

It is designed for panel mount installation.

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