MU1-B-32-612-1-A21-B-E The Littelfuse Inc. MU1-B-32-612-1-A21-B-E is a 1-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a 12A current rating.
Mfr Part #:

MU1-B-32-612-1-A21-B-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-32-612-1-A21-B-E is a 1-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a 12A current rating.
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MU1-B-32-612-1-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
Voltage Rating

MU1-B-32-612-1-A21-B-E Description

Short technical summary and product information.

This Littelfuse Inc. MU1-B-32-612-1-A21-B-E is a single-pole circuit breaker with a current rating of 12A and a voltage rating of 250V. It utilizes a magnetic (hydraulic delay) tripping mechanism for reliable protection.

 

The breaker is designed for panel mounting, offering a secure and accessible installation point in various electrical systems. Its actuator type is push-to-reset, providing a straightforward operation for resetting the breaker after a trip event.

 

Key electrical characteristics include its 12A current capacity and 250V voltage rating, making it suitable for a range of applications requiring overcurrent protection. The breaker type is specified as magnetic with a hydraulic delay, which helps prevent nuisance tripping from temporary surges while ensuring protection against sustained overloads.

 

Compliance information indicates RoHS3 compliance and an MSL 1 rating. The REACH status is unaffected. Approval agencies include CCC, CSA, TUV, and UL, signifying adherence to various international safety standards.

MU1-B-32-612-1-A21-B-E Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse Inc. MU1-B-32-612-1-A21-B-E Circuit Breaker
Subcategory: Circuit Breaker

MU1-B-32-612-1-A21-B-E Compliance

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

MU1-B-32-612-1-A21-B-E Features

  • 12A current rating for overcurrent protection.
  • 250V voltage rating suitable for AC applications.
  • Magnetic tripping with hydraulic delay.
  • Panel mount design for easy installation.
  • Push-to-reset actuator for simple operation.

MU1-B-32-612-1-A21-B-E Applications

  • Provides overcurrent protection in systems.
  • Suitable for panel-mounted electrical enclosures.
  • Used in applications requiring reliable tripping.
  • Compliant with international safety standards.

MU1-B-32-612-1-A21-B-E FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MU1-B-32-612-1-A21-B-E circuit breaker?

The current rating is 12A.

What is the voltage rating for this Littelfuse circuit breaker?

The voltage rating is 250V.

What type of breaker mechanism does the MU1-B-32-612-1-A21-B-E use?

It uses a Magnetic (Hydraulic Delay) breaker type.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What is the mounting type for the MU1-B-32-612-1-A21-B-E?

The mounting type is Panel Mount.

Is the MU1-B-32-612-1-A21-B-E RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this component?

The Moisture Sensitivity Level is 1 Unlimited.

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