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MA1-B-74-620-1-A27-B-T The Littelfuse Inc. MA1-B-74-620-1-A27-B-T is a 1-pole circuit breaker designed for panel mounting. It features a 20A current rating and a 250V voltage rating.
Mfr Part #:

MA1-B-74-620-1-A27-B-T

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MA1-B-74-620-1-A27-B-T is a 1-pole circuit breaker designed for panel mounting. It features a 20A current rating and a 250V voltage rating.
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MA1-B-74-620-1-A27-B-T 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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MA1-B-74-620-1-A27-B-T Description

Short technical summary and product information.

This Littelfuse Inc. MA1-B-74-620-1-A27-B-T is a single-pole circuit breaker with a magnetic (hydraulic delay) tripping mechanism. It is designed for panel mounting and offers a current rating of 20A and a voltage rating of 250V.

 

The breaker features a rocker actuator and does not include illumination. It is approved by CCC and UL489A agencies. The component is RoHS3 compliant, has an MSL of 1, and is REACH unaffected.

 

Its panel mount design makes it suitable for integration into various electrical enclosures and control panels. The hydraulic delay mechanism provides specific overcurrent protection characteristics, making it useful in applications requiring precise tripping curves.

MA1-B-74-620-1-A27-B-T Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. MA1-B-74-620-1-A27-B-T Circuit Breaker

MA1-B-74-620-1-A27-B-T Compliance

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

MA1-B-74-620-1-A27-B-T Features

  • 20A current rating for protection.
  • 250V voltage rating.
  • Panel mount design.
  • Magnetic hydraulic delay mechanism.
  • CCC and UL489A approved.

MA1-B-74-620-1-A27-B-T Applications

  • Suitable for control panels.
  • Used in electrical enclosures.
  • Provides overcurrent protection.
  • Integrates into various systems.

MA1-B-74-620-1-A27-B-T FAQs

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

20A

What is the voltage rating?

250V

What type of circuit breaker is this?

Magnetic (Hydraulic Delay)

How many poles does this breaker have?

1

What actuator type does it use?

Rocker

Is the actuator illuminated?

No, non-illuminated

What mounting type is required?

Panel Mount

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