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AC1-B0-24-620-4B3-C Single-pole magnetic hydraulic delay circuit breaker rated for 20A at 277V. Features a rocker actuator, panel mount, and CCC, CSA, and UL approvals.
Mfr Part #:

AC1-B0-24-620-4B3-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Single-pole magnetic hydraulic delay circuit breaker rated for 20A at 277V. Features a rocker actuator, panel mount, and CCC, CSA, and UL approvals.
Stock on Request

AC1-B0-24-620-4B3-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
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AC1-B0-24-620-4B3-C Description

Short technical summary and product information.

AC1-B0-24-620-4B3-C is a single-pole circuit breaker from Littelfuse Inc. It is rated for 20A at 277V and uses a magnetic hydraulic delay trip mechanism. The breaker is operated with a rocker actuator and does not include illumination.

 

This circuit breaker is configured for panel mounting. It carries approval markings from CCC, CSA, and UL. With one pole and a 20A current rating, it is intended for overcurrent protection in 277V electrical circuits that require a compact single-pole breaker.

 

The part is classified under Circuit Protection / Circuit Breakers.

AC1-B0-24-620-4B3-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Single-Pole Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Single-Pole Circuit Breaker

AC1-B0-24-620-4B3-C Compliance

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

AC1-B0-24-620-4B3-C Features

  • Rated for 20A at 277V.
  • Single-pole magnetic hydraulic delay breaker.
  • Panel mount with rocker actuator.
  • No illumination on the actuator.
  • Approved by CCC, CSA, and UL.

AC1-B0-24-620-4B3-C Applications

  • Overcurrent protection for lighting circuits.
  • Used in industrial control panels.
  • Branch circuit protection for HVAC equipment.
  • Circuit protection for power distribution.

AC1-B0-24-620-4B3-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AC1-B0-24-620-4B3-C circuit breaker?

The current rating is 20A.

What is the voltage rating of the AC1-B0-24-620-4B3-C?

The voltage rating is 277V.

What type of breaker is the AC1-B0-24-620-4B3-C?

Magnetic (Hydraulic Delay).

How many poles does the AC1-B0-24-620-4B3-C have?

1 pole.

What is the actuator type on this circuit breaker?

Rocker actuator.

How is the AC1-B0-24-620-4B3-C mounted?

Panel mount.

What agency approvals does the AC1-B0-24-620-4B3-C carry?

CCC, CSA, and UL.

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