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A21-B0-12-620-111-E The Littelfuse Inc. A21-B0-12-620-111-E is a magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

A21-B0-12-620-111-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. A21-B0-12-620-111-E is a magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 277V voltage rating.
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A21-B0-12-620-111-E 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
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A21-B0-12-620-111-E Description

Short technical summary and product information.

This Littelfuse Inc. A21-B0-12-620-111-E is a single-pole, magnetic (hydraulic delay) circuit breaker designed for panel mounting. It offers a current rating of 20A and a voltage rating of 277V.

 

The breaker features a rocker actuator and no illumination. It is compliant with RoHS3 standards and has a Moisture Sensitivity Level (MSL) of 1.

 

This component is suitable for applications requiring reliable overcurrent protection with a hydraulic delay mechanism. Its panel mount design facilitates integration into various electrical enclosures and systems.

A21-B0-12-620-111-E Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. A21-B0-12-620-111-E Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

A21-B0-12-620-111-E Compliance

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

A21-B0-12-620-111-E Features

  • 20A current rating for protection.
  • 277V voltage rating.
  • Magnetic (hydraulic delay) breaker type.
  • Panel mount design for easy installation.
  • RoHS3 compliant for environmental standards.

A21-B0-12-620-111-E Applications

  • Used for overcurrent protection.
  • Suitable for panel installations.
  • Industrial control systems.
  • Power distribution units.

A21-B0-12-620-111-E 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?

277V.

What type of breaker is this?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What actuator type does it use?

Rocker actuator.

Does the circuit breaker have illumination?

No, it has no illumination.

What is the mounting type?

Panel mount.

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