AK2-B0-10-620-121-D The Littelfuse Inc. AK2-B0-10-620-121-D is a 2-pole circuit breaker rated for 20A and 277V. It features a magnetic (hydraulic delay) tripping mechanism and a rocker actuator.
Mfr Part #:

AK2-B0-10-620-121-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AK2-B0-10-620-121-D is a 2-pole circuit breaker rated for 20A and 277V. It features a magnetic (hydraulic delay) tripping mechanism and a rocker actuator.
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AK2-B0-10-620-121-D 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

AK2-B0-10-620-121-D Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AK2-B0-10-620-121-D, is designed for reliable circuit protection. It operates at a current rating of 20A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, offering specific protection characteristics. It has two poles and a panel mount design for easy integration into systems. The actuator type is a rocker, and it does not feature illumination.

 

Compliance includes RoHS3, with MSL 1 and REACH unaffected status. Approval agencies listed are CCC, CSA, UL, and VDE, indicating broad acceptance for various applications.

AK2-B0-10-620-121-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AK2-B0-10-620-121-D Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

AK2-B0-10-620-121-D Compliance

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

AK2-B0-10-620-121-D Features

  • 20A current rating for protection.
  • 277V voltage rating.
  • Magnetic breaker with hydraulic delay.
  • Two-pole design.
  • Panel mount for easy installation.

AK2-B0-10-620-121-D Applications

  • Protects electrical circuits from overload.
  • Suitable for industrial control panels.
  • Used in power distribution systems.
  • Ensures safety in equipment.

AK2-B0-10-620-121-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AK2-B0-10-620-121-D 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 AK2-B0-10-620-121-D?

It is a magnetic breaker with a hydraulic delay.

How many poles does this circuit breaker have?

It has 2 poles.

What is the mounting type for this Littelfuse circuit breaker?

The mounting type is Panel Mount.

Is the AK2-B0-10-620-121-D 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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