A21-B0-34-620-5A1-C The Littelfuse Inc. A21-B0-34-620-5A1-C is a single-pole circuit breaker. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

A21-B0-34-620-5A1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. A21-B0-34-620-5A1-C is a single-pole circuit breaker. It features a 20A current rating and a 277V voltage rating.
Stock on Request
$ Price Range: $0.99

A21-B0-34-620-5A1-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
Voltage Rating

A21-B0-34-620-5A1-C Description

Short technical summary and product information.

This Littelfuse Inc. A21-B0-34-620-5A1-C is a single-pole circuit breaker designed for panel mounting. It offers a current rating of 20A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, and it features a rocker actuator. The illumination is none.

 

Compliance includes RoHS3, REACH Unaffected, and MSL 1. Agency approvals are CCC, CSA, and UL.

 

This component is suitable for various applications requiring reliable circuit protection.

A21-B0-34-620-5A1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. A21-B0-34-620-5A1-C Circuit Breaker
Subcategory: Circuit Breaker

A21-B0-34-620-5A1-C Compliance

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

A21-B0-34-620-5A1-C Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

A21-B0-34-620-5A1-C Features

  • 20A current rating for protection.
  • 277V voltage rating.
  • Magnetic hydraulic delay type.
  • Panel mount design.
  • Rocker actuator type.

A21-B0-34-620-5A1-C Applications

  • Suitable for circuit protection in electrical systems.
  • Used in panel-mounted circuit breaker applications.
  • Ideal for residential and commercial electrical panels.
  • Suitable for controlling high-current electrical circuits.

A21-B0-34-620-5A1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the A21-B0-34-620-5A1-C circuit breaker?

The current rating is 20A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

What type of breaker is the A21-B0-34-620-5A1-C?

It is a Magnetic (Hydraulic Delay) breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What is the mounting type for this Littelfuse circuit breaker?

The mounting type is Panel Mount.

Is the A21-B0-34-620-5A1-C RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

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