MA1-B-14-620-1-A12-1-J Littelfuse MA1-B-14-620-1-A12-1-J is a 20A, 250V, 1-pole magnetic hydraulic delay circuit breaker with a rocker actuator for panel mount applications.
Mfr Part #:

MA1-B-14-620-1-A12-1-J

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MA1-B-14-620-1-A12-1-J is a 20A, 250V, 1-pole magnetic hydraulic delay circuit breaker with a rocker actuator for panel mount applications.
Stock on Request

MA1-B-14-620-1-A12-1-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

MA1-B-14-620-1-A12-1-J Description

Short technical summary and product information.

The Littelfuse MA1-B-14-620-1-A12-1-J is a single-pole magnetic hydraulic delay circuit breaker rated for 20A at 250V. It features a rocker actuator and is designed for panel mount installation. The magnetic hydraulic delay mechanism provides reliable overcurrent protection with a time-delay characteristic that helps avoid nuisance tripping from transient inrush currents.

 

This circuit breaker is approved by CCC, TUV, and UL489A, making it suitable for a variety of industrial and commercial applications. The non-illuminated rocker actuator offers a clear on/off indication and easy manual reset. The panel mount design simplifies integration into control panels and equipment enclosures.

 

With a 1-pole configuration, this breaker is ideal for protecting single-phase circuits. The 20A current rating and 250V voltage rating cover a wide range of power distribution and equipment protection needs. The magnetic hydraulic trip mechanism ensures consistent performance across a broad temperature range.

MA1-B-14-620-1-A12-1-J Quick Information

Product Type: Circuit Breaker
Series: MA1
Canonical Name: Littelfuse MA1-B-14-620-1-A12-1-J Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Circuit Breakers

MA1-B-14-620-1-A12-1-J Compliance

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

MA1-B-14-620-1-A12-1-J Features

  • 20A current rating for 250V circuits.
  • Single-pole magnetic hydraulic delay breaker.
  • Rocker actuator for manual control.
  • Panel mount installation type.
  • CCC, TUV, and UL489A approved.

MA1-B-14-620-1-A12-1-J Applications

  • Overcurrent protection for industrial control panels.
  • Branch circuit protection in power distribution.
  • Equipment protection in commercial machinery.
  • Single-phase circuit protection applications.

MA1-B-14-620-1-A12-1-J 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 breaker is this?

Magnetic hydraulic delay circuit breaker.

How many poles does it have?

1 pole.

What actuator type does it use?

Rocker actuator.

What is the mounting type?

Panel mount.

What approvals does this circuit breaker have?

CCC, TUV, and UL489A.

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The Littelfuse Inc. MA1-B-74-620-1-A26-B-J is a single-pole, magnetic hydraulic delay circuit breaker rated for 20A and 250V. It features a panel mount design with a rocker actuator.
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