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MU2-B-64-620-1-C21-B-C The Littelfuse Inc. MU2-B-64-620-1-C21-B-C is a 2-pole circuit breaker designed for panel mounting. It features a 20A current rating and a 250V voltage rating.
Mfr Part #:

MU2-B-64-620-1-C21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU2-B-64-620-1-C21-B-C is a 2-pole circuit breaker designed for panel mounting. It features a 20A current rating and a 250V voltage rating.
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MU2-B-64-620-1-C21-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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MU2-B-64-620-1-C21-B-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number MU2-B-64-620-1-C21-B-C, is a magnetic hydraulic delay type breaker rated for 20 Amps and 250 Volts. It is designed for panel mounting and features a push-to-reset actuator.

 

The breaker has two poles and is approved by CCC, CSA, and UL1077. It is compliant with RoHS3 standards and has an MSL of 1.

 

This component is suitable for various circuit protection applications where reliable switching and overcurrent protection are required. Its panel mount design facilitates integration into control panels and equipment enclosures.

MU2-B-64-620-1-C21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU2-B
Canonical Name: Littelfuse Inc. MU2-B-64-620-1-C21-B-C Circuit Breaker
Subcategory: Circuit Breaker

MU2-B-64-620-1-C21-B-C Compliance

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

MU2-B-64-620-1-C21-B-C Features

  • 20A current rating for circuit protection.
  • 250V voltage rating for power systems.
  • Panel mount design for easy installation.
  • Magnetic hydraulic delay breaker type.
  • Push to reset actuator.

MU2-B-64-620-1-C21-B-C Applications

  • Used for overcurrent protection.
  • Suitable for panel installations.
  • Ideal for 250V power circuits.
  • Provides reliable circuit switching.

MU2-B-64-620-1-C21-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MU2-B-64-620-1-C21-B-C circuit breaker?

The current rating is 20A.

What is the voltage rating for this circuit breaker?

The voltage rating is 250V.

How is the MU2-B-64-620-1-C21-B-C circuit breaker mounted?

It is designed for panel mounting.

What type of breaker mechanism does this unit use?

It uses a Magnetic (Hydraulic Delay) mechanism.

How many poles does this circuit breaker have?

This circuit breaker has 2 poles.

What is the RoHS status of this component?

It is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

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