MU1-B-12-630-1-C21-B-M The Littelfuse Inc. MU1-B-12-630-1-C21-B-M is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 30A current rating and a 250V voltage rating.
Mfr Part #:

MU1-B-12-630-1-C21-B-M

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-12-630-1-C21-B-M is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 30A current rating and a 250V voltage rating.
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MU1-B-12-630-1-C21-B-M 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-12-630-1-C21-B-M Description

Short technical summary and product information.

This Littelfuse Inc. MU1-B-12-630-1-C21-B-M is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic (hydraulic delay) mechanism for protection.

 

The breaker has a current rating of 30A and a voltage rating of 250V. It is approved by CCC, CSA, and UL1077. The actuator type is push to reset, and it features no illumination.

 

This component is suitable for applications requiring reliable overcurrent protection with specific trip characteristics. Its panel mount design facilitates integration into various electrical enclosures and systems.

MU1-B-12-630-1-C21-B-M Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse Inc. MU1-B-12-630-1-C21-B-M Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

MU1-B-12-630-1-C21-B-M Compliance

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

MU1-B-12-630-1-C21-B-M Features

  • 30A current rating for protection.
  • 250V voltage rating for power systems.
  • Magnetic (hydraulic delay) breaker type.
  • Panel mount for easy installation.
  • Push to reset actuator.

MU1-B-12-630-1-C21-B-M Applications

  • Used in power distribution systems.
  • Suitable for control panel integration.
  • Protects electrical circuits from overload.
  • Applications requiring hydraulic delay.

MU1-B-12-630-1-C21-B-M FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of this circuit breaker?

30A.

What is the voltage rating?

250V.

What type of circuit breaker is this?

Magnetic with hydraulic delay.

How many poles does this breaker have?

1 pole.

What is the mounting style?

Panel mount.

What type of actuator does it use?

Push-to-reset.

What safety approvals does this breaker have?

CCC, CSA, UL1077.

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MU1-T-14-630-1-A11-B-M
Littelfuse Inc.
The Littelfuse Inc. MU1-T-14-630-1-A11-B-M is a single-pole, magnetic hydraulic delay circuit breaker. It features a 30A current rating and a 250V voltage rating.
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MU1-B-64-630-2-A21-B-C
MU1-B-64-630-2-A21-B-C
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The Littelfuse Inc. MU1-B-64-630-2-A21-B-C is a 1-pole circuit breaker rated for 30A and 250V. It features a panel mount design and a magnetic hydraulic delay.
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