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MU1-B-34-620-1-C21-B-E The Littelfuse Inc. MU1-B-34-620-1-C21-B-E is a 1-pole circuit breaker with a 20A current rating and 250V voltage rating. It features a magnetic hydraulic delay and push-to-reset actuator.
Mfr Part #:

MU1-B-34-620-1-C21-B-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-34-620-1-C21-B-E is a 1-pole circuit breaker with a 20A current rating and 250V voltage rating. It features a magnetic hydraulic delay and push-to-reset actuator.
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MU1-B-34-620-1-C21-B-E 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-34-620-1-C21-B-E Description

Short technical summary and product information.

This Littelfuse Inc. MU1-B-34-620-1-C21-B-E is a single-pole circuit breaker designed for panel mounting. It offers a robust 20A current rating and a 250V voltage rating, making it suitable for various power protection applications.

 

The breaker type is magnetic with a hydraulic delay, providing reliable overcurrent protection. The actuator type is push-to-reset, allowing for easy operation after a trip event. It is approved by CCC, CSA, TUV, and UL agencies.

 

Environmental compliance includes RoHS3 compliance and MSL 1 rating. The REACH status is unaffected. This component is designed for applications requiring dependable circuit protection in industrial and commercial settings.

MU1-B-34-620-1-C21-B-E Quick Information

Product Type: Circuit Breaker
Series: MU1
Canonical Name: Littelfuse Inc. MU1-B-34-620-1-C21-B-E Circuit Breaker
Subcategory: Circuit Breakers

MU1-B-34-620-1-C21-B-E Compliance

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

MU1-B-34-620-1-C21-B-E Features

  • 20A current rating for power protection.
  • 250V voltage rating suitable for AC/DC.
  • Magnetic breaker with hydraulic delay.
  • Panel mount design for easy integration.
  • Push-to-reset actuator for operation.

MU1-B-34-620-1-C21-B-E Applications

  • Industrial control panels.
  • Power distribution systems.
  • Equipment protection circuits.
  • Automotive applications.

MU1-B-34-620-1-C21-B-E FAQs

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

20A

What is the voltage rating?

250V

How many poles does it have?

1 pole

What type of circuit breaker is this?

Magnetic (Hydraulic Delay)

What is the mounting type?

Panel mount

What actuator type does it use?

Push to reset

What approvals does it have?

CCC, CSA, TUV, UL

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