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MU1-B-12-620-P-A11-B-M The Littelfuse Inc. MU1-B-12-620-P-A11-B-M is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and 250V voltage rating.
Mfr Part #:

MU1-B-12-620-P-A11-B-M

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-12-620-P-A11-B-M is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and 250V voltage rating.
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MU1-B-12-620-P-A11-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
Voltage Rating
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MU1-B-12-620-P-A11-B-M Description

Short technical summary and product information.

This Littelfuse Inc. MU1-B-12-620-P-A11-B-M is a single-pole circuit breaker designed for panel mounting. It operates with a magnetic hydraulic delay mechanism, providing reliable circuit protection.

 

The breaker has a current rating of 20A and a voltage rating of 250V. It features a push-to-reset actuator for easy operation. Approval agencies include CCC, CSA, and UL1077, indicating compliance with relevant safety standards.

 

This component is suitable for applications requiring robust circuit interruption and protection against overcurrent conditions. Its panel mount design facilitates integration into various electrical enclosures and systems.

MU1-B-12-620-P-A11-B-M Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse Inc. MU1-B-12-620-P-A11-B-M Circuit Breaker

MU1-B-12-620-P-A11-B-M Compliance

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

MU1-B-12-620-P-A11-B-M Features

  • 20A current rating for circuit protection.
  • 250V voltage rating for electrical systems.
  • Panel mount design for easy installation.
  • Push-to-reset actuator for operation.
  • CCC, CSA, UL1077 agency approvals.

MU1-B-12-620-P-A11-B-M Applications

  • Used in industrial control panel protection.
  • Suitable for branch circuit overcurrent protection.
  • Ideal for equipment requiring time-delay tripping.
  • Applied in commercial power distribution systems.

MU1-B-12-620-P-A11-B-M FAQs

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

The current rating is 20A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of breaker is this?

This is a magnetic (hydraulic delay) circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What actuator type does this breaker use?

It uses a push-to-reset actuator.

What mounting type does this breaker use?

It is designed for panel mount installation.

What agency approvals does this circuit breaker have?

It is approved by CCC, CSA, and UL1077.

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