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MU1-B-62-620-1-C21-B-C Littelfuse MU1-B-62-620-1-C21-B-C is a 20A, 250V, 1-pole magnetic (hydraulic delay) circuit breaker with push-to-reset actuator and panel mount.
Mfr Part #:

MU1-B-62-620-1-C21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MU1-B-62-620-1-C21-B-C is a 20A, 250V, 1-pole magnetic (hydraulic delay) circuit breaker with push-to-reset actuator and panel mount.
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MU1-B-62-620-1-C21-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-62-620-1-C21-B-C Description

Short technical summary and product information.

The Littelfuse MU1-B-62-620-1-C21-B-C is a single-pole magnetic circuit breaker with hydraulic delay, designed for overcurrent protection. It is rated for 20A continuous current at 250V AC. The magnetic (hydraulic delay) trip mechanism provides time-delayed response, reducing nuisance tripping from temporary inrush currents.

 

This circuit breaker features a push-to-reset actuator for manual reset after a trip. It is designed for panel mount installation, suitable for control panels, power distribution units, and industrial equipment. The unit is non-illuminated.

 

The breaker is part of the Littelfuse MU1 series, known for reliable performance in demanding applications.

MU1-B-62-620-1-C21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1
Canonical Name: Littelfuse MU1 Series 20A 250V 1-Pole Magnetic (Hydraulic Delay) Circuit Breaker, Push-to-Reset, Panel Mount
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

MU1-B-62-620-1-C21-B-C Compliance

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

MU1-B-62-620-1-C21-B-C Features

  • Rated for 20A at 250V AC.
  • Single-pole magnetic hydraulic delay breaker.
  • Push-to-reset actuator for manual reset.
  • Panel mount design for easy installation.
  • Non-illuminated compact form factor.

MU1-B-62-620-1-C21-B-C Applications

  • Overcurrent protection in control panels.
  • Power distribution unit circuit protection.
  • Protection for motors and transformers.
  • Used in HVAC and refrigeration equipment.

MU1-B-62-620-1-C21-B-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the MU1-B-62-620-1-C21-B-C?

250V.

What is the current rating?

20A.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1.

What is the actuator type?

Push to Reset.

What is the mounting type?

Panel Mount.

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