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MB2-B-34-420-1-A12-B-B The Littelfuse Inc. MB2-B-34-420-1-A12-B-B is a 2-pole circuit breaker designed for panel mounting. It offers a 2A current rating and a 250V voltage rating.
Mfr Part #:

MB2-B-34-420-1-A12-B-B

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MB2-B-34-420-1-A12-B-B is a 2-pole circuit breaker designed for panel mounting. It offers a 2A current rating and a 250V voltage rating.
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MB2-B-34-420-1-A12-B-B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Mounting Type
Number of Poles
Voltage Rating
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MB2-B-34-420-1-A12-B-B Description

Short technical summary and product information.

This Littelfuse Inc. MB2-B-34-420-1-A12-B-B is a magnetic hydraulic delay circuit breaker suitable for panel mounting applications. It is rated for 2A current and 250V voltage, with a 2-pole configuration.

 

The breaker features a rocker actuator and does not include illumination. Its construction is designed for reliable operation in various electrical systems.

 

Key electrical specifications include a 2A current rating and a 250V voltage rating. The mounting type is panel mount, making it easy to integrate into control panels and enclosures. The breaker type is magnetic with a hydraulic delay, providing specific protection characteristics.

 

This component is part of the broader circuit protection category, specifically within circuit breakers. It is designed to safeguard electrical circuits from overcurrents and short circuits.

MB2-B-34-420-1-A12-B-B Quick Information

Product Type: Circuit Breaker
Series: MB2
Canonical Name: Littelfuse Inc. MB2-B-34-420-1-A12-B-B Circuit Breaker
Subcategory: Circuit Breaker

MB2-B-34-420-1-A12-B-B Compliance

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

MB2-B-34-420-1-A12-B-B Features

  • 2A current rating for circuit protection.
  • 250V voltage rating for electrical systems.
  • Panel mount design for easy integration.
  • Magnetic breaker with hydraulic delay.
  • Two-pole configuration for circuit isolation.

MB2-B-34-420-1-A12-B-B Applications

  • Used in control panel assemblies.
  • Protects electrical power circuits.
  • Suitable for industrial equipment.
  • Applicable in machinery safety systems.

MB2-B-34-420-1-A12-B-B FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the MB2-B-34-420-1-A12-B-B?

250V.

What is the current rating of this circuit breaker?

2A.

How many poles does this circuit breaker have?

2 poles.

What type of circuit breaker is this?

Magnetic hydraulic delay.

What actuator type does the MB2-B-34-420-1-A12-B-B use?

Rocker actuator.

What mounting type is supported?

Panel mount.

Is the actuator illuminated?

No, it is non-illuminated.

MB2-B-34-420-1-A12-B-B Alternate Parts

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Littelfuse MA2-B-24-420-1-A24-B-E is a 2-pole magnetic (hydraulic delay) circuit breaker rated for 2A at 250V. It features a panel mount design with a rocker actuator and is non-illuminated.
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The Littelfuse Inc. MA2-B-24-420-1-A24-B-D is a 2-pole circuit breaker with a 2A current rating and 250V voltage rating. It features a magnetic hydraulic delay mechanism and panel mount capability.
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Magnetic (hydraulic delay) circuit breaker from Littelfuse. Rated 2A at 250V, 2-pole, rocker actuator, panel mount.
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MA2-B-34-420-1-A16-B-E
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The Littelfuse Inc. MA2-B-34-420-1-A16-B-E is a 2A, 250V circuit breaker. It features a panel mount design and a magnetic hydraulic delay mechanism.
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