A21-B0-34-620-131-D Littelfuse A21-B0-34-620-131-D is a 20A, 250V, 1-pole magnetic (hydraulic delay) circuit breaker with a rocker actuator for panel mount applications.
Mfr Part #:

A21-B0-34-620-131-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse A21-B0-34-620-131-D is a 20A, 250V, 1-pole magnetic (hydraulic delay) circuit breaker with a rocker actuator for panel mount applications.
Stock on Request

A21-B0-34-620-131-D 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

A21-B0-34-620-131-D Description

Short technical summary and product information.

The Littelfuse A21-B0-34-620-131-D is a single-pole magnetic circuit breaker featuring a hydraulic delay mechanism. It is rated for 20A of continuous current at 250V AC/DC. The breaker uses a rocker actuator for manual on/off control and is designed for panel mount installation.

 

This magnetic-hydraulic breaker provides reliable overcurrent protection with a time-delay characteristic that allows for harmless inrush currents without nuisance tripping. The 1-pole configuration makes it suitable for single-phase circuit protection in a variety of equipment.

 

The breaker carries approvals from CCC, CSA, UL, and VDE, indicating compliance with major international safety standards. It is designed for use in power distribution, industrial control, and commercial equipment where dependable circuit protection is required.

A21-B0-34-620-131-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse A21-B0-34-620-131-D 20A 1-Pole Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic Circuit Breaker

A21-B0-34-620-131-D Compliance

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

A21-B0-34-620-131-D Features

  • 20A current rating for overcurrent protection.
  • 250V voltage rating for AC/DC circuits.
  • Magnetic hydraulic delay trip mechanism.
  • Single-pole configuration for single-phase use.
  • Rocker actuator for manual control.

A21-B0-34-620-131-D Applications

  • Overcurrent protection for industrial equipment.
  • Branch circuit protection in control panels.
  • Motor circuit protection in machinery.
  • Power distribution system protection.
  • General purpose load protection.

A21-B0-34-620-131-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the A21-B0-34-620-131-D circuit breaker?

The current rating is 20A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of breaker is the A21-B0-34-620-131-D?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What type of actuator does this breaker use?

It uses a rocker actuator.

What mounting type is this circuit breaker?

It is designed for panel mount.

What agency approvals does the A21-B0-34-620-131-D have?

It is approved by CCC, CSA, UL, and VDE.

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