AB2-B0-21-640-5D1-C The Littelfuse Inc. AB2-B0-21-640-5D1-C is a 2-pole circuit breaker with a 40A current rating and 277V voltage rating. It features a magnetic hydraulic delay and panel mount type.
Mfr Part #:

AB2-B0-21-640-5D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AB2-B0-21-640-5D1-C is a 2-pole circuit breaker with a 40A current rating and 277V voltage rating. It features a magnetic hydraulic delay and panel mount type.
Stock on Request
$ Price Range: $0.99

AB2-B0-21-640-5D1-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

AB2-B0-21-640-5D1-C Description

Short technical summary and product information.

This Littelfuse Inc. AB2-B0-21-640-5D1-C is a circuit breaker designed for electrical protection. It operates with a current rating of 40A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, offering reliable tripping characteristics. It features a lever actuator and is designed for panel mounting, making it suitable for integration into control panels and equipment.

 

With two poles, this circuit breaker provides circuit isolation and protection. It is approved by CCC, CSA, and UL agencies, indicating compliance with relevant safety standards. The RoHS status is compliant with RoHS3.

 

This component is suitable for applications requiring robust overcurrent protection and reliable switching. Its panel mount design facilitates easy installation in various electrical systems.

AB2-B0-21-640-5D1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AB2-B0-21-640-5D1-C Circuit Breaker
Subcategory: Thermal Magnetic

AB2-B0-21-640-5D1-C Compliance

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

AB2-B0-21-640-5D1-C Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

AB2-B0-21-640-5D1-C Features

  • 40A current rating for protection.
  • 277V voltage rating for power systems.
  • Magnetic hydraulic delay for reliable tripping.
  • Panel mount design for easy installation.
  • Approved by CCC, CSA, and UL agencies.

AB2-B0-21-640-5D1-C Applications

  • Used in electrical distribution panels.
  • Suitable for industrial control systems.
  • Applied in equipment power entry modules.
  • Provides overcurrent protection circuits.
  • Integrates into custom machinery designs.

AB2-B0-21-640-5D1-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AB2-B0-21-640-5D1-C circuit breaker?

The current rating is 40A.

What is the voltage rating for this Littelfuse circuit breaker?

The voltage rating is 277V.

How many poles does the AB2-B0-21-640-5D1-C have?

It has 2 poles.

What type of mounting is used for this circuit breaker?

It uses panel mount.

What is the breaker type and delay mechanism?

The breaker type is Magnetic (Hydraulic Delay).

Which approval agencies have certified this circuit breaker?

It is approved by CCC, CSA, and UL.

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