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MU2-B-24-440-1-A21-B-D The Littelfuse Inc. MU2-B-24-440-1-A21-B-D is a panel mount circuit breaker. It features a 4A current rating and a 250V voltage rating.
Mfr Part #:

MU2-B-24-440-1-A21-B-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU2-B-24-440-1-A21-B-D is a panel mount circuit breaker. It features a 4A current rating and a 250V voltage rating.
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MU2-B-24-440-1-A21-B-D 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
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MU2-B-24-440-1-A21-B-D Description

Short technical summary and product information.

This Littelfuse Inc. MU2-B-24-440-1-A21-B-D is a magnetic (hydraulic delay) circuit breaker designed for panel mounting.

 

Key electrical specifications include a current rating of 4A and a voltage rating of 250V. It has 2 poles and a push-to-reset actuator type. Approval agencies include CCC, CSA, UL, and VDE.

 

The circuit breaker is RoHS3 compliant and has an MSL of 1 Unlimited. It is suitable for various applications requiring reliable circuit protection.

MU2-B-24-440-1-A21-B-D Quick Information

Product Type: Circuit Breaker
Series: MU2-B
Canonical Name: Littelfuse Inc. MU2-B-24-440-1-A21-B-D Circuit Breaker

MU2-B-24-440-1-A21-B-D Compliance

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

MU2-B-24-440-1-A21-B-D Features

  • 4A current rating for protection.
  • 250V voltage rating.
  • Panel mount design.
  • Magnetic (hydraulic delay) type.
  • Push to reset actuator.

MU2-B-24-440-1-A21-B-D Applications

  • Overcurrent protection for industrial control panels.
  • Branch circuit protection in power distribution.
  • Motor protection with hydraulic time delay.
  • Marine and automotive electrical system protection.

MU2-B-24-440-1-A21-B-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MU2-B-24-440-1-A21-B-D?

4A

What is the voltage rating of this circuit breaker?

250V

What type of circuit breaker is this?

Magnetic hydraulic delay

How many poles does the MU2-B-24-440-1-A21-B-D have?

2

What is the actuator type?

Push-to-reset

How is this circuit breaker mounted?

Panel mount

What approvals does the MU2-B-24-440-1-A21-B-D carry?

CCC, CSA, UL, VDE

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