MB1-B-34-612-1-A25-B-C Littelfuse MB1-B-34-612-1-A25-B-C is a magnetic hydraulic delay circuit breaker with 12A current rating and 250V voltage rating. It features a single pole, panel mount design with a rocker actuator and is non-illuminated.
Mfr Part #:

MB1-B-34-612-1-A25-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MB1-B-34-612-1-A25-B-C is a magnetic hydraulic delay circuit breaker with 12A current rating and 250V voltage rating. It features a single pole, panel mount design with a rocker actuator and is non-illuminated.
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MB1-B-34-612-1-A25-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

MB1-B-34-612-1-A25-B-C Description

Short technical summary and product information.

The Littelfuse MB1-B-34-612-1-A25-B-C is a single-pole magnetic hydraulic delay circuit breaker designed for overcurrent protection. It is rated for 12A continuous current at 250V AC/DC, providing reliable protection for sensitive equipment. The magnetic hydraulic delay mechanism offers precise trip characteristics with immunity to ambient temperature variations, making it suitable for a wide range of industrial and commercial applications.

 

This circuit breaker features a panel mount design with a rocker actuator for easy manual reset. It is non-illuminated and has a compact form factor. The breaker is approved by UL1077, CSA, and CCC, ensuring compliance with international safety standards. RoHS3 compliant, REACH unaffected, and MSL 1 (unlimited).

 

Ideal for use in power distribution, control panels, and industrial equipment where reliable overcurrent protection is required. The 1-pole configuration allows for single-phase protection.

MB1-B-34-612-1-A25-B-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse MB1-B-34-612-1-A25-B-C Magnetic Hydraulic Delay Circuit Breaker, 12A, 250V, 1 Pole, Panel Mount, Rocker
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

MB1-B-34-612-1-A25-B-C Compliance

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

MB1-B-34-612-1-A25-B-C Features

  • Magnetic hydraulic delay trip mechanism.
  • Rated for 12A continuous current at 250V.
  • Single-pole configuration for single-phase protection.
  • Panel mount with rocker actuator.
  • Approved to UL1077, CSA, and CCC.

MB1-B-34-612-1-A25-B-C Applications

  • Used in industrial power distribution panels.
  • Suitable for control circuit protection.
  • Ideal for commercial equipment overcurrent protection.
  • Provides reliable protection for sensitive electronics.

MB1-B-34-612-1-A25-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?

12A.

What type of circuit breaker is it?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What is the mounting style of this circuit breaker?

Panel mount.

What is the actuator type?

Rocker.

What approvals does this circuit breaker have?

CCC, CSA, UL1077.

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The Littelfuse Inc. ME1-B-24-612-1-A36-B-C is a 1-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a 12A current rating.
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