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MB1-B-12-420-2-A12-A-B The Littelfuse Inc. MB1-B-12-420-2-A12-A-B is a single-pole, magnetic hydraulic delay circuit breaker. It features a 2A current rating and a 250V voltage rating.
Mfr Part #:

MB1-B-12-420-2-A12-A-B

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MB1-B-12-420-2-A12-A-B is a single-pole, magnetic hydraulic delay circuit breaker. It features a 2A current rating and a 250V voltage rating.
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MB1-B-12-420-2-A12-A-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
SVHC Present
Voltage Rating
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MB1-B-12-420-2-A12-A-B Description

Short technical summary and product information.

This Littelfuse Inc. MB1-B-12-420-2-A12-A-B is a panel mount circuit breaker designed for protection applications. It operates with a magnetic (hydraulic delay) mechanism and has a single pole configuration.

 

The breaker is rated for 2 Amps and a voltage of 250 Volts. It features a rocker actuator and no illumination. The mounting type is suitable for panel mounting.

 

Environmental compliance includes RoHS3 compliance, MSL 1 Unlimited, and REACH unaffected status. These compliance details are based on available data and may require verification for critical applications.

MB1-B-12-420-2-A12-A-B Quick Information

Product Type: Circuit Breaker
Series: MB1
Canonical Name: Littelfuse Inc. MB1-B-12-420-2-A12-A-B Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

MB1-B-12-420-2-A12-A-B Compliance

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

MB1-B-12-420-2-A12-A-B Features

  • 2A current rating for protection.
  • 250V voltage rating.
  • Magnetic hydraulic delay breaker type.
  • Panel mount design.
  • Single pole configuration.

MB1-B-12-420-2-A12-A-B Applications

  • Overcurrent protection in control panels.
  • Used in motor control circuits.
  • Suitable for power distribution units.
  • Protection for lighting and small loads.
  • Ideal for industrial equipment circuits.

MB1-B-12-420-2-A12-A-B FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the Littelfuse MB1-B-12-420-2-A12-A-B circuit breaker?

2A

What is the voltage rating of the Littelfuse MB1-B-12-420-2-A12-A-B circuit breaker?

250V

What type of circuit breaker is the MB1-B-12-420-2-A12-A-B?

Magnetic (Hydraulic Delay)

How many poles does the MB1-B-12-420-2-A12-A-B have?

1 pole

What is the actuator type of the MB1-B-12-420-2-A12-A-B?

Rocker

Is the MB1-B-12-420-2-A12-A-B circuit breaker illuminated?

No, it is non-illuminated.

What is the mounting type of the MB1-B-12-420-2-A12-A-B?

Panel Mount

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