Mfr Part #:

A21-B0-24-620-231-E

The Littelfuse Inc. A21-B0-24-620-231-E is a panel mount circuit breaker with a 20A current rating and magnetic hydraulic delay. It operates at up to 250V AC and 80V DC.

Stock on Request

$ Price Range: $0.99

A21-B0-24-620-231-E Description

Short technical summary and product information.

This Littelfuse Inc. A21-B0-24-620-231-E is a single-pole circuit breaker designed for panel mounting. It features a rocker actuator and a magnetic hydraulic delay mechanism for reliable circuit protection.

With a current rating of 20A, this breaker is suitable for applications requiring protection against overcurrents and short circuits. It supports AC voltage ratings up to 250V and DC voltage ratings up to 80V. The breaker is approved by CCC, CSA, TUV, and UL agencies, indicating compliance with various safety standards.

The device has an illumination feature set to 'None' and comes in bulk packaging. Its RoHS status is listed as RoHS3 Compliant, and it has an MSL rating of 1 Unlimited.

A21-B0-24-620-231-E Quick Information

Product Type: Circuit Breaker

Canonical Name: A21-B0-24-620-231-E Magnetic Hydraulic Delay Circuit Breaker

Subcategory: Magnetic

A21-B0-24-620-231-E Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

A21-B0-24-620-231-E Estimated Pricing

Qty	Low	High
1+	$0.99	$0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

A21-B0-24-620-231-E Features

20A current rating for circuit protection.
250V AC and 80V DC voltage support.
Panel mount design with rocker actuator.
Magnetic hydraulic delay breaker type.
Approved by CCC, CSA, TUV, and UL.

A21-B0-24-620-231-E Applications

Protects electrical circuits from overloads.
Suitable for panel-mounted systems.
Used in applications requiring AC/DC power.
Designed for industrial control panels.
Ensures safety in electronic equipment.

A21-B0-24-620-231-E FAQs

6 frequently asked questions generated from this part’s specifications.

What is the current rating of the circuit breaker?

The current rating is 20A.

What is the voltage rating for AC operation?

The AC voltage rating is 250V.

What is the voltage rating for DC operation?

The DC voltage rating is 80V.

What type of breaker is this?

It is a magnetic (hydraulic delay) breaker.

What actuator type does this breaker use?

It uses a rocker actuator.

What approval agencies have certified this breaker?

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

A21-B0-24-620-231-E Alternate Parts

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The A11-B0-24-620-211-E is a panel mount circuit breaker rated for 20A at 250V, featuring a rocker actuator and magnetic delay.

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