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MU1-B-10-615-1-B21-B-C Littelfuse MU1-B-10-615-1-B21-B-C is a 1-pole magnetic circuit breaker rated for 15A at 250V. It features a push-to-reset actuator and panel mount design.
Mfr Part #:

MU1-B-10-615-1-B21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MU1-B-10-615-1-B21-B-C is a 1-pole magnetic circuit breaker rated for 15A at 250V. It features a push-to-reset actuator and panel mount design.
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MU1-B-10-615-1-B21-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-10-615-1-B21-B-C Description

Short technical summary and product information.

The Littelfuse MU1-B-10-615-1-B21-B-C is a single-pole magnetic circuit breaker with hydraulic delay for dependable overcurrent protection. It is rated for 15A at 250V and uses a push-to-reset actuator for easy manual reset after a fault. The breaker is designed for panel mount installation, making it suitable for industrial control panels, power supplies, and telecommunications equipment. It carries approvals from CCC, CSA, and UL1077, ensuring compliance with international safety standards.

MU1-B-10-615-1-B21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Magnetic Circuit Breaker, 1-Pole, 15A, 250V, Push to Reset, Panel Mount
Subcategory: Magnetic Circuit Breaker

MU1-B-10-615-1-B21-B-C Compliance

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

MU1-B-10-615-1-B21-B-C Features

  • Rated 15A at 250V AC.
  • Single pole magnetic-hydraulic design.
  • Push-to-reset actuator for easy reset.
  • Panel mount for industrial panels.
  • UL1077, CSA, CCC approved.

MU1-B-10-615-1-B21-B-C Applications

  • Suitable for overcurrent protection in power supplies.
  • Ideal for industrial control panels.
  • Used in telecommunications equipment.
  • Perfect for automotive auxiliary circuits.

MU1-B-10-615-1-B21-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the Littelfuse MU1-B-10-615-1-B21-B-C circuit breaker?

The circuit breaker is rated for 250V.

What is the current rating?

Rated for 15A.

How many poles does the breaker have?

It is a 1-pole circuit breaker.

What type of actuator does it use?

The actuator type is Push to Reset.

Is it illuminated?

No, it has no illumination.

What mounting style does this breaker have?

This circuit breaker is designed for panel mount installation.

What safety approvals does it hold?

It is approved by CCC, CSA, and UL1077.

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