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MU1-B-32-620-1-A21-B-C The Littelfuse Inc. MU1-B-32-620-1-A21-B-C is a 1-pole circuit breaker with a 20A current rating and 250V voltage rating. It features a magnetic hydraulic delay and panel mount type.
Mfr Part #:

MU1-B-32-620-1-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-32-620-1-A21-B-C is a 1-pole circuit breaker with a 20A current rating and 250V voltage rating. It features a magnetic hydraulic delay and panel mount type.
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MU1-B-32-620-1-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
Voltage Rating
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MU1-B-32-620-1-A21-B-C Description

Short technical summary and product information.

This Littelfuse Inc. MU1-B-32-620-1-A21-B-C is a single-pole circuit breaker designed for reliable circuit protection. It offers a current rating of 20A and a voltage rating of 250V, making it suitable for various applications.

 

The breaker type is magnetic with a hydraulic delay, and it features a push-to-reset actuator for ease of use. The mounting type is panel mount, allowing for straightforward integration into control panels and equipment.

 

This component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1. It is approved by CCC, CSA, and UL1077, ensuring adherence to industry standards.

MU1-B-32-620-1-A21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse Inc. MU1-B-32-620-1-A21-B-C Circuit Breaker
Subcategory: Circuit Breaker

MU1-B-32-620-1-A21-B-C Compliance

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

MU1-B-32-620-1-A21-B-C Features

  • 20A current rating for protection.
  • 250V voltage rating.
  • Magnetic breaker with hydraulic delay.
  • Panel mount for easy integration.
  • Push-to-reset actuator.

MU1-B-32-620-1-A21-B-C Applications

  • Overcurrent protection for industrial control panels.
  • Suitable for power distribution in equipment.
  • Used in machinery requiring hydraulic-magnetic delay.
  • Panel mount circuit breaker for electrical enclosures.

MU1-B-32-620-1-A21-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the Littelfuse MU1-B-32-620-1-A21-B-C circuit breaker?

20A.

What is the voltage rating?

250V.

What type of breaker mechanism does it use?

Magnetic (Hydraulic Delay).

How many poles does the circuit breaker have?

1 pole.

What is the mounting style?

Panel mount.

What actuator type is used?

Push to reset.

What safety approvals does the product have?

CCC, CSA, UL1077.

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