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MU1-B-20-435-1-A21-B-D Single-pole magnetic (hydraulic delay) circuit breaker rated 3.5A at 250V with push-to-reset actuation.
Mfr Part #:

MU1-B-20-435-1-A21-B-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Single-pole magnetic (hydraulic delay) circuit breaker rated 3.5A at 250V with push-to-reset actuation.
Stock on Request

MU1-B-20-435-1-A21-B-D Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
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Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Mounting Type
Number of Poles
Voltage Rating
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MU1-B-20-435-1-A21-B-D Description

Short technical summary and product information.

This Littelfuse MU1-B-20-435-1-A21-B-D is a single-pole magnetic circuit breaker featuring a hydraulic delay mechanism for time-delayed overcurrent protection. It is rated for 3.5A continuous current at 250V AC/DC. The push-to-reset actuator allows manual reset after a trip event. The magnetic hydraulic delay design provides precise trip characteristics suitable for applications requiring stable performance under transient conditions. This circuit breaker is intended for use in industrial control panels, power distribution equipment, and other electrical systems requiring reliable overcurrent protection.

MU1-B-20-435-1-A21-B-D Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Magnetic (Hydraulic Delay) Circuit Breaker, 1 Pole, 3.5A, 250V, Push to Reset
Subcategory: Magnetic Circuit Breaker

MU1-B-20-435-1-A21-B-D Compliance

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

MU1-B-20-435-1-A21-B-D Features

  • Magnetic hydraulic delay trip mechanism.
  • Rated for 3.5A continuous current.
  • 250V AC/DC voltage rating.
  • Single-pole configuration.
  • Push-to-reset actuator.

MU1-B-20-435-1-A21-B-D Applications

  • Overcurrent protection for electrical circuits.
  • Suitable for panel board installation.
  • Used in industrial control systems.
  • Protects wiring and equipment from overloads.

MU1-B-20-435-1-A21-B-D FAQs

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

250V.

What is the current rating of this circuit breaker?

3.5A.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1 pole.

What is the actuator type?

Push to Reset.

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