MU1-B-12-612-P-A11-B-C This Littelfuse MU1-B series circuit breaker is a 12A, 250V, 1-pole magnetic (hydraulic delay) device with a push-to-reset actuator for panel mount applications.
Mfr Part #:

MU1-B-12-612-P-A11-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This Littelfuse MU1-B series circuit breaker is a 12A, 250V, 1-pole magnetic (hydraulic delay) device with a push-to-reset actuator for panel mount applications.
Stock on Request

MU1-B-12-612-P-A11-B-C Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Actuator Type
Approval Agency
Automotive Grade
Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Industrial Grade
Medical Grade
Military Grade
Mounting Type
Number of Poles
SVHC Present
Voltage Rating

MU1-B-12-612-P-A11-B-C Description

Short technical summary and product information.

The Littelfuse MU1-B-12-612-P-A11-B-C is a single-pole magnetic circuit breaker featuring a hydraulic delay mechanism. It is rated for 12A at 250V and uses a push-to-reset actuator. This circuit breaker is designed for panel mount installation and provides reliable overcurrent protection.

 

The magnetic (hydraulic delay) design offers precise trip characteristics and is well-suited for applications where ambient temperature stability is important. The push-to-reset actuator allows for manual reset after a trip event. This component is approved by CCC, CSA, and UL1077, indicating compliance with recognized safety standards.

MU1-B-12-612-P-A11-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse MU1-B Series 12A 250V 1-Pole Magnetic (Hydraulic Delay) Circuit Breaker, Push to Reset, Panel Mount
Subcategory: Hydraulic-Magnetic Circuit Breaker

MU1-B-12-612-P-A11-B-C Compliance

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

MU1-B-12-612-P-A11-B-C Features

  • Rated for 12A at 250V operation.
  • Single-pole magnetic hydraulic delay design.
  • Push-to-reset actuator for manual reset.
  • Panel mount for easy installation.
  • Approved by CCC, CSA, and UL1077.

MU1-B-12-612-P-A11-B-C Applications

  • Overcurrent protection for industrial control panels
  • Hydraulic-magnetic breaker for power distribution
  • 1-pole panel mount circuit breaker
  • Push-to-reset breaker for equipment protection
  • 12A rated circuit breaker for branch circuits

MU1-B-12-612-P-A11-B-C FAQs

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

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 this?

This is a magnetic (hydraulic delay) circuit breaker.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What is the actuator type?

The actuator type is push to reset.

What mounting type does this circuit breaker use?

This circuit breaker uses panel mount.

What are the approval agencies for this circuit breaker?

This circuit breaker is approved by CCC, CSA, and UL1077.

MU1-B-12-612-P-A11-B-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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MU1-B-34-612-1-C21-B-C
MU1-B-34-612-1-C21-B-C
Littelfuse Inc.
This Littelfuse Inc. MU1-B-34-612-1-C21-B-C is a panel mount circuit breaker rated for 12A and 250V. It features a magnetic hydraulic delay.
View Part
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