Mfr Part #:

MU2-B-24-440-1-B21-B-D

The Littelfuse Inc. MU2-B-24-440-1-B21-B-D is a 2-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay and a push-to-reset actuator.

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MU2-B-24-440-1-B21-B-D Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number MU2-B-24-440-1-B21-B-D, is a 2-pole device with a current rating of 4A and a voltage rating of 250V. It utilizes a magnetic hydraulic delay mechanism for protection.

The breaker is designed for panel mounting and features a push-to-reset actuator. It has received approvals from CCC, CSA, UL, and VDE, indicating compliance with various safety standards.

Additional specifications include a moisture sensitivity level of 1 (Unlimited) and RoHS3 compliance. The breaker type is magnetic with a hydraulic delay, suitable for applications requiring precise overcurrent protection.

MU2-B-24-440-1-B21-B-D Quick Information

Product Type: Circuit Breaker

Series: MU2

Canonical Name: Littelfuse Inc. MU2-B-24-440-1-B21-B-D Circuit Breaker

MU2-B-24-440-1-B21-B-D Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MU2-B-24-440-1-B21-B-D Features

4A current rating for protection.
250V voltage rating.
2-pole magnetic hydraulic delay breaker.
Panel mount design.
Push to reset actuator.

MU2-B-24-440-1-B21-B-D Applications

Suitable for general circuit protection.
Used in control panel assemblies.
Ideal for equipment power entry.
Applications requiring 2-pole isolation.

MU2-B-24-440-1-B21-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-B21-B-D circuit breaker?

The current rating is 4A.

What is the voltage rating for this circuit breaker?

The voltage rating is 250V.

How many poles does the MU2-B-24-440-1-B21-B-D have?

It has 2 poles.

What type of breaker is the MU2-B-24-440-1-B21-B-D?

It is a Magnetic (Hydraulic Delay) type breaker.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

What are the approval agencies for this part?

Approval agencies include CCC, CSA, UL, and VDE.

What is the RoHS status of this component?

The RoHS status is RoHS3 Compliant.

MU2-B-24-440-1-B21-B-D Alternate Parts

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

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-64-440-1-A21-B-D