MU1-B-94-440-1-A21-B-C The Littelfuse Inc. MU1-B-94-440-1-A21-B-C is a 1-pole circuit breaker designed for panel mounting. It features a push-to-reset actuator and a magnetic hydraulic delay mechanism.
Mfr Part #:

MU1-B-94-440-1-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-94-440-1-A21-B-C is a 1-pole circuit breaker designed for panel mounting. It features a push-to-reset actuator and a magnetic hydraulic delay mechanism.
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MU1-B-94-440-1-A21-B-C 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-94-440-1-A21-B-C Description

Short technical summary and product information.

This Littelfuse Inc. MU1-B-94-440-1-A21-B-C is a single-pole circuit breaker rated for 4A and 250V. It utilizes a magnetic hydraulic delay for reliable operation and features a convenient push-to-reset actuator.

 

Designed for panel mounting, this circuit breaker offers a robust solution for overcurrent protection. Its approval agencies include CCC, CSA, and UL1077, indicating compliance with various safety standards. The breaker type is specifically magnetic (hydraulic delay), providing a distinct trip characteristic.

 

Key electrical specifications include a 4A current rating and a 250V voltage rating. The mechanical design features a panel mount type and a push-to-reset actuator. It operates without illumination and has a single pole configuration.

MU1-B-94-440-1-A21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1
Canonical Name: Littelfuse Inc. MU1-B-94-440-1-A21-B-C Circuit Breaker
Subcategory: Circuit Breaker

MU1-B-94-440-1-A21-B-C Compliance

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

MU1-B-94-440-1-A21-B-C Features

  • 4A current rating for protection.
  • 250V voltage rating for power circuits.
  • Panel mount for easy installation.
  • Push-to-reset actuator for manual reset.
  • Magnetic hydraulic delay mechanism.

MU1-B-94-440-1-A21-B-C Applications

  • Used for overcurrent protection.
  • Suitable for control panel integration.
  • Applicable in various industrial settings.
  • Provides reliable circuit interruption.

MU1-B-94-440-1-A21-B-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the MU1-B-94-440-1-A21-B-C circuit breaker?

The current rating is 4A.

What is the voltage rating for this circuit breaker?

The voltage rating is 250V.

How is the MU1-B-94-440-1-A21-B-C circuit breaker mounted?

It is designed for panel mounting.

What type of breaker mechanism does this unit use?

It uses a magnetic (hydraulic delay) mechanism.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What is the actuator type for this breaker?

The actuator type is push to reset.

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