MU1-B-14-420-1-A21-B-E The Littelfuse MU1-B-14-420-1-A21-B-E is a single pole magnetic hydraulic-delay circuit breaker rated for 2A at 250V. It features a push-to-reset actuator and panel mount design.
Mfr Part #:

MU1-B-14-420-1-A21-B-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse MU1-B-14-420-1-A21-B-E is a single pole magnetic hydraulic-delay circuit breaker rated for 2A at 250V. It features a push-to-reset actuator and panel mount design.
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MU1-B-14-420-1-A21-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-14-420-1-A21-B-E Description

Short technical summary and product information.

The Littelfuse MU1-B-14-420-1-A21-B-E is a single pole circuit breaker designed for panel mount installation. It uses a magnetic hydraulic-delay trip mechanism, providing reliable overcurrent protection for a variety of applications.

 

This circuit breaker is rated for a continuous current of 2A at a voltage rating of 250V. The single pole configuration makes it suitable for protecting individual circuits. The push-to-reset actuator allows for manual reset after a trip event.

 

The magnetic hydraulic-delay breaker type offers predictable performance and is commonly used in applications where precise current protection is required. The panel mount design facilitates straightforward integration into equipment enclosures.

 

This component carries approvals from CCC, CSA, TUV, and UL, indicating compliance with recognized safety standards. It is a non-illuminated unit, with no illumination feature.

MU1-B-14-420-1-A21-B-E Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Single Pole Panel Mount Magnetic Hydraulic-Delay Circuit Breaker
Subcategory: Magnetic Circuit Breaker

MU1-B-14-420-1-A21-B-E Compliance

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

MU1-B-14-420-1-A21-B-E Features

  • Single pole magnetic hydraulic-delay circuit breaker.
  • Rated for 2A at 250V operation.
  • Panel mount with push-to-reset actuator.
  • Approved by CCC, CSA, TUV, and UL.
  • Non-illuminated actuator design.

MU1-B-14-420-1-A21-B-E Applications

  • Suitable for overcurrent protection in equipment.
  • Ideal for panel-mounted circuit protection.
  • Used in applications requiring manual reset.
  • Provides reliable protection for single circuits.

MU1-B-14-420-1-A21-B-E FAQs

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

The current rating is 2A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of breaker is this?

This is a magnetic (hydraulic delay) circuit breaker.

How is this circuit breaker mounted?

It is designed for panel mount installation.

What is the actuator type?

The actuator type is push to reset.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What agency approvals does this circuit breaker have?

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

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