MU1-B-14-440-1-A21-B-C The Littelfuse Inc. MU1-B-14-440-1-A21-B-C is a single-pole, panel mount circuit breaker. It features a magnetic hydraulic delay mechanism and a 4A current rating.
Mfr Part #:

MU1-B-14-440-1-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-14-440-1-A21-B-C is a single-pole, panel mount circuit breaker. It features a magnetic hydraulic delay mechanism and a 4A current rating.
Stock on Request

MU1-B-14-440-1-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
SVHC Present
Voltage Rating

MU1-B-14-440-1-A21-B-C Description

Short technical summary and product information.

This Littelfuse Inc. MU1-B-14-440-1-A21-B-C is a single-pole circuit breaker designed for panel mounting. It operates with a magnetic hydraulic delay, providing reliable protection.

 

The breaker has a current rating of 4A and a voltage rating of 250V. It is approved by CCC, CSA, and UL1077 standards. The actuator type is push to reset, and it offers no illumination.

 

Key electrical specifications include a 4A current rating and a 250V voltage rating. The breaker type is magnetic with a hydraulic delay, and it features a single pole configuration. The mounting type is panel mount, suitable for various industrial and commercial applications.

 

Compliance information indicates RoHS3 compliance, MSL 1 Unlimited, and REACH unaffected status. This component is designed for applications requiring robust circuit protection.

MU1-B-14-440-1-A21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1
Canonical Name: Littelfuse Inc. MU1-B-14-440-1-A21-B-C Circuit Breaker
Subcategory: Circuit Breaker

MU1-B-14-440-1-A21-B-C Compliance

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

MU1-B-14-440-1-A21-B-C Features

  • 4A current rating for protection.
  • 250V voltage rating.
  • Magnetic hydraulic delay type.
  • Panel mount design.
  • Single pole configuration.

MU1-B-14-440-1-A21-B-C Applications

  • Suitable for general circuit protection.
  • Used in control panels.
  • Industrial equipment applications.
  • Power distribution systems.

MU1-B-14-440-1-A21-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MU1-B-14-440-1-A21-B-C?

4 amperes.

What is the voltage rating?

250 volts.

What type of breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this breaker have?

1 pole.

What actuator type does it use?

Push to Reset.

What is the mounting type?

Panel Mount.

What approvals does it hold?

CCC, CSA, UL1077.

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