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MU1-B-34-450-3-H21-B-C The Littelfuse MU1-B-34-450-3-H21-B-C is a magnetic (hydraulic delay) circuit breaker. It features a 5A current rating and a 250V voltage rating.
Mfr Part #:

MU1-B-34-450-3-H21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse MU1-B-34-450-3-H21-B-C is a magnetic (hydraulic delay) circuit breaker. It features a 5A current rating and a 250V voltage rating.
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MU1-B-34-450-3-H21-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-34-450-3-H21-B-C Description

Short technical summary and product information.

This Littelfuse MU1-B-34-450-3-H21-B-C 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 5A and a voltage rating of 250V. It features a push-to-reset actuator and offers no illumination.

 

Key approval agencies include CCC, CSA, and UL1077. The RoHS status is compliant with RoHS3, and it has an MSL of 1 Unlimited. REACH status is unaffected.

MU1-B-34-450-3-H21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse Inc. MU1-B-34-450-3-H21-B-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

MU1-B-34-450-3-H21-B-C Compliance

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

MU1-B-34-450-3-H21-B-C Features

  • 5A current rating for protection.
  • 250V voltage rating for circuits.
  • Panel mount for easy installation.
  • Magnetic (hydraulic delay) breaker type.
  • Push to reset actuator.

MU1-B-34-450-3-H21-B-C Applications

  • Suitable for control panel integration.
  • Used in electrical protection circuits.
  • Designed for industrial equipment.
  • Applicable in power distribution systems.

MU1-B-34-450-3-H21-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MU1-B-34-450-3-H21-B-C circuit breaker?

The current rating is 5A.

What is the voltage rating for this circuit breaker?

The voltage rating is 250V.

How is the MU1-B-34-450-3-H21-B-C circuit breaker mounted?

It is designed for panel mounting.

What type of breaker mechanism does this part use?

It uses a Magnetic (Hydraulic Delay) mechanism.

How many poles does this circuit breaker have?

It has 1 pole.

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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