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MA1-B-30-620-2-A31-B-C Single-pole magnetic (hydraulic delay) circuit breaker rated at 20A and 250V. Features a panel-mount rocker actuator and is UL1077, CSA, and CCC approved.
Mfr Part #:

MA1-B-30-620-2-A31-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Single-pole magnetic (hydraulic delay) circuit breaker rated at 20A and 250V. Features a panel-mount rocker actuator and is UL1077, CSA, and CCC approved.
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MA1-B-30-620-2-A31-B-C 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
SVHC Present
Voltage Rating
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MA1-B-30-620-2-A31-B-C Description

Short technical summary and product information.

The Littelfuse MA1-B-30-620-2-A31-B-C is a single-pole magnetic circuit breaker with hydraulic delay. It is rated for 20A continuous current at 250V AC/DC. The breaker uses a rocker actuator and is designed for panel mount installation. It is not illuminated. This circuit breaker carries approvals from CCC, CSA, and UL1077, ensuring compliance with international safety standards. The magnetic hydraulic delay mechanism provides reliable overcurrent protection with time-delay characteristics, suitable for applications requiring inrush tolerance.

MA1-B-30-620-2-A31-B-C Quick Information

Product Type: Circuit Breaker
Series: MA1
Canonical Name: 1-Pole Magnetic (Hydraulic Delay) Circuit Breaker, 20A 250V, Rocker Actuator, Panel Mount
Subcategory: Magnetic Circuit Breaker

MA1-B-30-620-2-A31-B-C Compliance

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

MA1-B-30-620-2-A31-B-C Features

  • Rated for 20A continuous current at 250V.
  • Magnetic hydraulic delay overcurrent protection mechanism.
  • Single-pole design with rocker actuator.
  • Panel mount installation with industry approvals.
  • Certified to UL1077, CSA, and CCC standards.

MA1-B-30-620-2-A31-B-C Applications

  • Used in industrial control panel protection.
  • Suitable for power distribution and equipment.
  • Protects circuits with high inrush currents.
  • Ideal for panel-mount breaker applications.

MA1-B-30-620-2-A31-B-C FAQs

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

250V.

What is the current rating?

20A.

How many poles does it have?

1 pole.

What type of breaker is it?

Magnetic (Hydraulic Delay) circuit breaker.

What is the actuator type?

Rocker actuator.

What mounting type does it use?

Panel mount.

What approvals does it have?

CCC, CSA, UL1077.

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