AK1-B0-56-620-121-C The Littelfuse Inc. AK1-B0-56-620-121-C is a panel mount circuit breaker. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

AK1-B0-56-620-121-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AK1-B0-56-620-121-C is a panel mount circuit breaker. It features a 20A current rating and a 277V voltage rating.
Stock on Request

AK1-B0-56-620-121-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
SVHC Present
Voltage Rating

AK1-B0-56-620-121-C Description

Short technical summary and product information.

This Littelfuse Inc. AK1-B0-56-620-121-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, MSL 1, and REACH Unaffected, though these are currently unverified.

 

Key specifications include a 20A current rating and 277V voltage rating, making it suitable for various protection applications.

AK1-B0-56-620-121-C Quick Information

Product Type: Circuit Breaker
Series: AK1
Canonical Name: Littelfuse Inc. AK1-B0-56-620-121-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

AK1-B0-56-620-121-C Compliance

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

AK1-B0-56-620-121-C Features

  • 20A current rating for protection.
  • 277V voltage rating.
  • Panel mount design.
  • Magnetic (hydraulic delay) breaker type.
  • Single pole configuration.

AK1-B0-56-620-121-C Applications

  • Overcurrent protection in control panels and enclosures.
  • Power distribution units requiring reliable circuit protection.
  • Industrial equipment needing stable trip characteristics.
  • Lighting and HVAC system branch circuit protection.

AK1-B0-56-620-121-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AK1-B0-56-620-121-C?

The current rating is 20A.

What is the voltage rating of this circuit breaker?

The voltage rating is 277V.

What type of breaker is the AK1-B0-56-620-121-C?

It is a magnetic hydraulic delay circuit breaker.

How many poles does this breaker have?

It is a single-pole (1-pole) breaker.

What type of actuator does this breaker use?

It uses a rocker actuator.

Is the actuator illuminated?

No, the actuator is non-illuminated.

What is the mounting type for this circuit breaker?

It is designed for panel mount installation.

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The Littelfuse Inc. AF1-F0-34-620-131-C is a magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277V voltage rating.
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