MU1-B-34-420-1-B21-B-E The Littelfuse Inc. MU1-B-34-420-1-B21-B-E is a single-pole, panel mount circuit breaker. It features a magnetic hydraulic delay mechanism with a 2A current rating and 250V voltage rating.
Mfr Part #:

MU1-B-34-420-1-B21-B-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-34-420-1-B21-B-E is a single-pole, panel mount circuit breaker. It features a magnetic hydraulic delay mechanism with a 2A current rating and 250V voltage rating.
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MU1-B-34-420-1-B21-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

MU1-B-34-420-1-B21-B-E Description

Short technical summary and product information.

This Littelfuse Inc. MU1-B-34-420-1-B21-B-E is a circuit breaker designed for reliable circuit protection. It operates with a current rating of 2A and a voltage rating of 250V.

 

The breaker utilizes a magnetic hydraulic delay mechanism, providing specific trip characteristics suitable for various applications. It is designed for panel mounting, ensuring secure installation in control panels and equipment.

 

Key electrical specifications include a 1-pole configuration and a push-to-reset actuator. The unit is approved by multiple agencies including CCC, CSA, TUV, and UL, indicating compliance with stringent safety standards. Its RoHS3 compliant status and MSL 1 rating further support its use in diverse electronic systems.

MU1-B-34-420-1-B21-B-E Quick Information

Product Type: Circuit Breaker
Series: MU1
Canonical Name: Littelfuse Inc. MU1-B-34-420-1-B21-B-E Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Circuit Breaker

MU1-B-34-420-1-B21-B-E Compliance

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

MU1-B-34-420-1-B21-B-E Features

  • 2A current rating for circuit protection.
  • 250V voltage rating for electrical systems.
  • Magnetic hydraulic delay mechanism.
  • Panel mount design for easy installation.
  • Approved by CCC, CSA, TUV, and UL.

MU1-B-34-420-1-B21-B-E Applications

  • Suitable for industrial control panels.
  • Used in power distribution systems.
  • Ideal for equipment protection circuits.
  • Applicable in various electronic enclosures.

MU1-B-34-420-1-B21-B-E FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MU1-B-34-420-1-B21-B-E circuit breaker?

The current rating is 2A.

What is the voltage rating for this circuit breaker?

The voltage rating is 250V.

What type of breaker mechanism does the MU1-B-34-420-1-B21-B-E use?

It uses a Magnetic (Hydraulic Delay) breaker type.

How many poles does this circuit breaker have?

It has 1 pole.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

Which approval agencies have certified this circuit breaker?

It is approved by CCC, CSA, TUV, and UL.

Is this circuit breaker RoHS compliant?

Yes, it is RoHS3 Compliant.

MU1-B-34-420-1-B21-B-E Alternate Parts

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The Littelfuse MU1-B-34-420-1-C21-B-E is a single-pole, panel mount circuit breaker. It features a magnetic hydraulic delay mechanism and a push-to-reset actuator.
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The Littelfuse Inc. MU1-B-92-420-1-A21-B-E is a 1-pole magnetic hydraulic delay circuit breaker. It offers a 2A current rating and 250V voltage rating.
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MU1-B-34-420-1-A21-B-E
Littelfuse Inc.
The Littelfuse Inc. MU1-B-34-420-1-A21-B-E is a 1-pole circuit breaker. It features a 2A current rating and a 250V voltage rating.
View Part
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