Mfr Part #:

MU1-B-10-430-3-B21-B-D

The Littelfuse Inc. MU1-B-10-430-3-B21-B-D is a 1-pole magnetic circuit breaker rated for 250V and 3A. It features a panel mount design and a push-to-reset actuator.

Stock on Request

MU1-B-10-430-3-B21-B-D Description

Short technical summary and product information.

This Littelfuse Inc. MU1-B-10-430-3-B21-B-D is a single-pole circuit breaker designed for panel mounting. It operates with a hydraulic delay mechanism and features a push-to-reset actuator.

The breaker has a current rating of 3A and a voltage rating of 250V. It is approved by CCC, CSA, UL, and VDE. The component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited.

Key electrical specifications include a 3A current rating and a 250V voltage rating. The mounting type is panel mount, and the actuator type is push to reset. Illumination is not provided.

This circuit breaker is suitable for various protection applications where reliable overcurrent protection is required. Its robust design and multiple agency approvals make it a versatile component for industrial and commercial use.

MU1-B-10-430-3-B21-B-D Quick Information

Product Type: Circuit Breaker

Series: MU1-B

Canonical Name: Littelfuse Inc. MU1-B-10-430-3-B21-B-D Circuit Breaker

Subcategory: Circuit Breaker

MU1-B-10-430-3-B21-B-D Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MU1-B-10-430-3-B21-B-D Features

3A current rating for protection.
250V voltage rating.
Panel mount design.
Push-to-reset actuator.
RoHS3 compliant.

MU1-B-10-430-3-B21-B-D Applications

Used in power distribution panels.
Ideal for industrial control circuits.
Provides overcurrent protection for equipment.
Suitable for motor branch circuits.

MU1-B-10-430-3-B21-B-D FAQs

7 frequently asked questions generated from this part’s specifications.

What is the current rating of this circuit breaker?

3A.

What is the voltage rating?

250V.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What is the mounting type?

Panel Mount.

What is the actuator type?

Push to Reset.

What approvals does this breaker have?

CCC, CSA, UL, VDE.

MU1-B-10-430-3-B21-B-D Alternate Parts

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MU1-B-22-430-1-A21-B-D

Littelfuse Inc.

The Littelfuse Inc. MU1-B-22-430-1-A21-B-D is a magnetic hydraulic delay circuit breaker. It offers a 3A current rating and a 250V voltage rating.

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MU1-B-22-430-1-C21-B-D