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A21-B0-24-620-111-E The Littelfuse A21-B0-24-620-111-E is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 20A at 250V. It features a rocker actuator and panel mount design.
Mfr Part #:

A21-B0-24-620-111-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse A21-B0-24-620-111-E is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 20A at 250V. It features a rocker actuator and panel mount design.
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A21-B0-24-620-111-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
SVHC Present
Voltage Rating
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A21-B0-24-620-111-E Description

Short technical summary and product information.

The Littelfuse A21-B0-24-620-111-E is a single-pole magnetic circuit breaker with hydraulic delay mechanism. It is rated for 20A continuous current at 250V AC/DC. The breaker uses a rocker actuator for manual reset and is designed for panel mount installation. It carries approvals from UL, CSA, TUV, and CCC, ensuring compliance with international safety standards. This circuit breaker is suitable for a variety of applications requiring reliable overcurrent protection in a compact, panel-mounted form factor.

A21-B0-24-620-111-E Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. A21-B0-24-620-111-E Circuit Breaker
Subcategory: Circuit Breaker

A21-B0-24-620-111-E Compliance

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

A21-B0-24-620-111-E Features

  • Rated for 20A continuous current at 250V.
  • Single-pole magnetic hydraulic delay design.
  • Panel mount with rocker actuator.
  • Approved by UL, CSA, TUV, and CCC.
  • Non-illuminated actuator.

A21-B0-24-620-111-E Applications

  • Used in industrial control panels for overcurrent protection.
  • Suitable for power distribution in commercial equipment.
  • Ideal for motor and transformer protection circuits.
  • Applied in HVAC systems and lighting controls.

A21-B0-24-620-111-E FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the A21-B0-24-620-111-E?

20A.

What is the voltage rating?

250V.

How many poles does this circuit breaker have?

1 pole.

What type of breaker is it?

Magnetic (Hydraulic Delay).

What is the actuator type?

Rocker.

What mounting type does it use?

Panel Mount.

What approvals does it have?

CCC, CSA, TUV, UL.

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