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MU2-B-34-712-1-A21-B-C Littelfuse MU2-B-34-712-1-A21-B-C is a 2-pole magnetic hydraulic delay circuit breaker rated 12.5A at 250V with push-to-reset actuator and panel mount.
Mfr Part #:

MU2-B-34-712-1-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MU2-B-34-712-1-A21-B-C is a 2-pole magnetic hydraulic delay circuit breaker rated 12.5A at 250V with push-to-reset actuator and panel mount.
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MU2-B-34-712-1-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)
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Mounting Type
Number of Poles
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MU2-B-34-712-1-A21-B-C Description

Short technical summary and product information.

The Littelfuse MU2-B-34-712-1-A21-B-C is a 2-pole magnetic hydraulic delay circuit breaker designed for overcurrent protection in electrical systems. It is rated for 12.5A continuous current at 250V AC/DC. The breaker uses a magnetic hydraulic delay mechanism, providing precise trip characteristics and resistance to nuisance tripping. The push-to-reset actuator allows manual reset after a trip event. This panel-mount device is suitable for a variety of industrial and commercial applications where reliable circuit protection is required. It carries approvals from CCC, CSA, and UL1077, indicating compliance with international safety standards.

MU2-B-34-712-1-A21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU2-B
Canonical Name: Littelfuse MU2-B-34-712-1-A21-B-C 2-Pole Magnetic Hydraulic Delay Circuit Breaker
Subcategory: 2-Pole Circuit Breaker

MU2-B-34-712-1-A21-B-C Compliance

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

MU2-B-34-712-1-A21-B-C Features

  • 12.5A current rating for overcurrent protection.
  • 250V voltage rating for AC/DC circuits.
  • Magnetic hydraulic delay trip mechanism.
  • 2-pole configuration for dual line protection.
  • Panel mount with push-to-reset actuator.

MU2-B-34-712-1-A21-B-C Applications

  • Industrial control panel circuit protection.
  • Power distribution in commercial equipment.
  • Motor branch circuit overcurrent protection.
  • HVAC system electrical protection.

MU2-B-34-712-1-A21-B-C FAQs

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

The current rating is 12.5A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of breaker is this?

This is a magnetic hydraulic delay circuit breaker.

How many poles does this circuit breaker have?

It has 2 poles.

What actuator type does this breaker use?

It uses a push-to-reset actuator.

What is the mounting type for this circuit breaker?

It is panel mount.

What approvals does this circuit breaker have?

It is approved by CCC, CSA, and UL1077.

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