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MU1-B-74-435-1-A11-B-C Littelfuse MU1-B-74-435-1-A11-B-C is a 1-pole magnetic hydraulic delay circuit breaker rated for 3.5A at 250V with a push-to-reset actuator for panel mount applications.
Mfr Part #:

MU1-B-74-435-1-A11-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MU1-B-74-435-1-A11-B-C is a 1-pole magnetic hydraulic delay circuit breaker rated for 3.5A at 250V with a push-to-reset actuator for panel mount applications.
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MU1-B-74-435-1-A11-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-74-435-1-A11-B-C Description

Short technical summary and product information.

The Littelfuse MU1-B-74-435-1-A11-B-C is a magnetic hydraulic delay circuit breaker designed for overcurrent protection. It features a single pole with a current rating of 3.5A and a voltage rating of 250V. The hydraulic delay mechanism provides time-delayed tripping for transient overcurrents while maintaining fast response to sustained faults. This breaker is panel mount with a push-to-reset actuator, simplifying reset after a trip event. It is a non-illuminated device suitable for various industrial and commercial applications where reliable circuit protection is required.

MU1-B-74-435-1-A11-B-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse MU1-B-74-435-1-A11-B-C Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic Hydraulic Delay Circuit Breaker

MU1-B-74-435-1-A11-B-C Compliance

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

MU1-B-74-435-1-A11-B-C Features

  • Rated for 3.5A continuous current at 250V.
  • Single-pole magnetic hydraulic delay design.
  • Push-to-reset actuator for easy reset.
  • Panel mount installation for secure mounting.
  • Non-illuminated actuator for simplicity.

MU1-B-74-435-1-A11-B-C Applications

  • Overcurrent protection for industrial control panels.
  • Ideal for power distribution systems.
  • Used in panel board and switchgear applications.
  • Suitable for equipment requiring manual reset.

MU1-B-74-435-1-A11-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the Littelfuse MU1-B-74-435-1-A11-B-C?

3.5A.

What is the operating voltage of this circuit breaker?

250V.

How many poles does this circuit breaker have?

1 pole.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

What actuator type does it use?

Push to Reset.

What mounting type is used?

Panel Mount.

Is this circuit breaker illuminated?

No, it is non-illuminated.

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