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MA1-B-74-620-1-A26-2-J Littelfuse MA1-B-74-620-1-A26-2-J is a 20A 250V single-pole magnetic hydraulic delay circuit breaker. It features a rocker actuator and panel mount design.
Mfr Part #:

MA1-B-74-620-1-A26-2-J

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MA1-B-74-620-1-A26-2-J is a 20A 250V single-pole magnetic hydraulic delay circuit breaker. It features a rocker actuator and panel mount design.
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MA1-B-74-620-1-A26-2-J 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-A26-2-J Description

Short technical summary and product information.

The Littelfuse MA1-B-74-620-1-A26-2-J is a single-pole magnetic circuit breaker with hydraulic delay. It is rated for 20A at 250V. The breaker uses a magnetic hydraulic delay mechanism for overcurrent protection, providing time-delay characteristics suitable for inrush loads. The actuator is a rocker style with no illumination. This circuit breaker is certified by CCC, TUV, and UL489A. It is designed for panel mount installation.

 

This circuit breaker is ideal for applications requiring reliable overcurrent protection in a compact panel-mounted form. The single-pole configuration protects one circuit. The hydraulic delay allows for brief current surges without nuisance tripping. The rocker actuator provides simple manual reset.

MA1-B-74-620-1-A26-2-J Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse MA1-B-74-620-1-A26-2-J 20A 250V 1-Pole Magnetic Circuit Breaker
Subcategory: Magnetic Circuit Breaker

MA1-B-74-620-1-A26-2-J Compliance

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

MA1-B-74-620-1-A26-2-J Features

  • Rated for 20A at 250V operation.
  • Single-pole magnetic hydraulic delay mechanism.
  • Rocker actuator for manual reset.
  • Panel mount installation.
  • Certified to CCC, TUV, UL489A.

MA1-B-74-620-1-A26-2-J Applications

  • Overcurrent protection for industrial control panels.
  • Used in power distribution systems.
  • Suitable for branch circuit protection.
  • Panel mount for enclosure installation.
  • Hydraulic-magnetic delay for reliable operation.

MA1-B-74-620-1-A26-2-J FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the MA1-B-74-620-1-A26-2-J?

250V.

What is the current rating of this circuit breaker?

20A.

How many poles does this circuit breaker have?

1 pole.

What type of circuit breaker is this?

Magnetic hydraulic delay.

What type of actuator does this circuit breaker use?

Rocker actuator.

What is the mounting type of this circuit breaker?

Panel mount.

What approvals does this circuit breaker have?

CCC, TUV, UL489A.

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