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MU1-B-34-450-1-A21-B-C Single pole 5A 250V magnetic hydraulic delay circuit breaker from Littelfuse. Features push to reset actuator.
Mfr Part #:

MU1-B-34-450-1-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Single pole 5A 250V magnetic hydraulic delay circuit breaker from Littelfuse. Features push to reset actuator.
Stock on Request

MU1-B-34-450-1-A21-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-34-450-1-A21-B-C Description

Short technical summary and product information.

The MU1-B-34-450-1-A21-B-C is a single pole circuit breaker from Littelfuse Inc., rated for 5A continuous current and 250V AC operation. It utilizes a magnetic hydraulic delay mechanism, providing time-delayed overcurrent protection that is insensitive to ambient temperature variations.

 

The breaker features a push-to-reset actuator for manual reset after a trip event. The one-pole configuration is suited for branch circuit protection in a variety of electrical systems. This design offers reliable overcurrent interruption while allowing momentary inrush currents without nuisance tripping.

 

Typical applications include power distribution panels, industrial control equipment, and other systems requiring robust circuit protection with a resettable mechanism.

MU1-B-34-450-1-A21-B-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Circuit Breaker, Magnetic Hydraulic Delay, 1 Pole, 5A, 250V, Push to Reset Actuator
Subcategory: Single Pole Circuit Breaker

MU1-B-34-450-1-A21-B-C Compliance

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

MU1-B-34-450-1-A21-B-C Features

  • Rated for 5A continuous current.
  • Rated for 250V AC operation.
  • Single pole magnetic hydraulic delay circuit breaker.
  • Push to reset actuator.

MU1-B-34-450-1-A21-B-C Applications

  • Overcurrent protection for 5A circuits
  • Ideal for 250V AC applications
  • Used in single-pole branch circuits
  • Suitable for equipment with high inrush currents

MU1-B-34-450-1-A21-B-C FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage of this circuit breaker?

250V AC.

What is the current rating of this circuit breaker?

5A.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1 pole.

What type of actuator does this circuit breaker use?

Push to reset.

MU1-B-34-450-1-A21-B-C Alternate Parts

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Littelfuse MU1-B-10-450-1-A21-B-C is a 1-pole magnetic hydraulic delay circuit breaker rated at 5A and 250V. It features a push-to-reset actuator and panel mount installation.
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Circuit breaker rated 5A at 250V AC/DC. Single-pole magnetic hydraulic delay type with push-to-reset actuation and panel mount.
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