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MA1-B-32-620-1-A32-B-A The Littelfuse MA1-B-32-620-1-A32-B-A is a 20A, 250V single-pole magnetic hydraulic delay circuit breaker with a rocker actuator, designed for panel mount applications.
Mfr Part #:

MA1-B-32-620-1-A32-B-A

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse MA1-B-32-620-1-A32-B-A is a 20A, 250V single-pole magnetic hydraulic delay circuit breaker with a rocker actuator, designed for panel mount applications.
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MA1-B-32-620-1-A32-B-A 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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MA1-B-32-620-1-A32-B-A Description

Short technical summary and product information.

The Littelfuse MA1-B-32-620-1-A32-B-A is a single-pole hydraulic-magnetic circuit breaker rated for 20A continuous current at 250V AC or DC. It features a hydraulic delay mechanism that provides inverse time-current characteristics for overload and short-circuit protection. The rocker actuator allows easy manual reset and operation. This breaker is designed for panel mount installation, making it suitable for a wide range of industrial and commercial applications. The compact design integrates directly into control panels and power distribution systems.

MA1-B-32-620-1-A32-B-A Quick Information

Product Type: Circuit Breaker
Series: MA1
Canonical Name: Littelfuse MA1-B-32-620-1-A32-B-A 20A 250V 1-Pole Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic Circuit Breaker

MA1-B-32-620-1-A32-B-A Compliance

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

MA1-B-32-620-1-A32-B-A Features

  • Rated for 20A continuous current.
  • Rated for 250V AC or DC operation.
  • Single-pole hydraulic-magnetic design.
  • Rocker actuator for reset.
  • Panel mount installation.

MA1-B-32-620-1-A32-B-A Applications

  • Used in power distribution panels.
  • Suitable for industrial control circuits.
  • Ideal for equipment protection.
  • For DC power applications.
  • For panel-mount circuit protection.

MA1-B-32-620-1-A32-B-A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the Littelfuse MA1-B-32-620-1-A32-B-A?

20A.

What is the voltage rating?

250V.

What type of circuit breaker is it?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What is the actuator type?

Rocker.

What is the mounting type?

Panel mount.

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