MU1-B-92-612-1-A21-B-E The Littelfuse Inc. MU1-B-92-612-1-A21-B-E is a 12A circuit breaker designed for panel mounting. It operates at a voltage rating of 250V.
Mfr Part #:

MU1-B-92-612-1-A21-B-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-92-612-1-A21-B-E is a 12A circuit breaker designed for panel mounting. It operates at a voltage rating of 250V.
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MU1-B-92-612-1-A21-B-E 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
SVHC Present
Voltage Rating

MU1-B-92-612-1-A21-B-E Description

Short technical summary and product information.

The Littelfuse MU1-B-92-612-1-A21-B-E is a single-pole magnetic circuit breaker with hydraulic delay, designed for overcurrent protection in electrical systems. It is rated for 12A continuous current at 250V AC/DC, making it suitable for a variety of industrial and commercial applications.

 

The breaker uses a magnetic-hydraulic mechanism that provides precise trip characteristics and is not affected by ambient temperature. The push-to-reset actuator allows manual reset after a fault condition. Panel mount installation simplifies integration into control panels and equipment enclosures.

 

This circuit breaker carries approvals from CCC, CSA, TUV, and UL, indicating compliance with international safety standards. It is designed for reliable operation in demanding environments where consistent overcurrent protection is required.

MU1-B-92-612-1-A21-B-E Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse Inc. MU1-B-92-612-1-A21-B-E Circuit Breaker
Subcategory: Circuit Breaker

MU1-B-92-612-1-A21-B-E Compliance

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

MU1-B-92-612-1-A21-B-E Features

  • Rated for 12A continuous current at 250V.
  • Magnetic hydraulic delay trip mechanism.
  • Panel mount with push-to-reset actuator.
  • Single pole configuration.
  • Approved by CCC, CSA, TUV, and UL.

MU1-B-92-612-1-A21-B-E Applications

  • Overcurrent protection in industrial control panels.
  • Protection for motors and transformers.
  • Use in commercial power distribution equipment.
  • Suitable for marine and transportation applications.

MU1-B-92-612-1-A21-B-E FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MU1-B-92-612-1-A21-B-E?

The current rating is 12A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of circuit breaker is the MU1-B-92-612-1-A21-B-E?

It is a magnetic (hydraulic delay) circuit breaker.

What is the mounting type for this breaker?

Panel mount.

What actuator type does this circuit breaker use?

Push to reset.

How many poles does the MU1-B-92-612-1-A21-B-E have?

1 pole.

What safety approvals does this circuit breaker have?

CCC, CSA, TUV, and UL approvals.

MU1-B-92-612-1-A21-B-E Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
MU1-B-30-612-1-A21-B-E
MU1-B-30-612-1-A21-B-E
Littelfuse Inc.
The Littelfuse MU1-B-30-612-1-A21-B-E is a single-pole, magnetic hydraulic delay circuit breaker rated for 12A and 250V. It features a panel mount design and push-to-reset actuator.
View Part
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