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MU2-B-24-615-4-A21-B-C The Littelfuse MU2-B-24-615-4-A21-B-C is a 2-pole magnetic hydraulic delay circuit breaker rated at 15A and 250V. It features a push-to-reset actuator and panel mount design.
Mfr Part #:

MU2-B-24-615-4-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse MU2-B-24-615-4-A21-B-C is a 2-pole magnetic hydraulic delay circuit breaker rated at 15A and 250V. It features a push-to-reset actuator and panel mount design.
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MU2-B-24-615-4-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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MU2-B-24-615-4-A21-B-C Description

Short technical summary and product information.

This circuit breaker is a magnetic hydraulic delay type, providing reliable overcurrent protection for electrical circuits. With a current rating of 15A and voltage rating of 250V, it is suitable for a range of industrial and commercial applications. The 2-pole configuration allows for simultaneous disconnection of both live conductors. The breaker is actuated by a push-to-reset mechanism, which automatically trips on overcurrent and must be manually reset. It is designed for panel mount installation. The breaker is approved by CCC, CSA, and UL1077, indicating compliance with international safety standards. Its non-illuminated design is straightforward. The magnetic hydraulic delay characteristic provides time-delayed tripping to tolerate temporary inrush currents while ensuring fast response to sustained overcurrents.

MU2-B-24-615-4-A21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU2-B
Canonical Name: 2-Pole Magnetic Hydraulic Delay Circuit Breaker, 15A, 250V, Push-to-Reset, Panel Mount
Subcategory: Magnetic (Hydraulic Delay) Circuit Breakers

MU2-B-24-615-4-A21-B-C Compliance

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

MU2-B-24-615-4-A21-B-C Features

  • Rated for 15A at 250V continuous operation.
  • Two-pole magnetic hydraulic delay design.
  • Push-to-reset actuator for manual reset.
  • Panel mount for easy installation.
  • Approved to UL1077, CSA, and CCC.

MU2-B-24-615-4-A21-B-C Applications

  • Overcurrent protection for industrial control circuits.
  • Suitable for power distribution panels.
  • Used in commercial equipment protection.
  • Ideal for branch circuit supplementary protection.

MU2-B-24-615-4-A21-B-C FAQs

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

250V.

What is the current rating?

15A.

How many poles does it have?

2 poles.

What type of actuator does it use?

Push-to-reset actuator.

What approvals does it carry?

CCC, CSA, and UL1077.

What is the mounting type?

Panel mount.

Is this circuit breaker illuminated?

No, it has no illumination.

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