AT1-B2-11-640-5D1-MT The Littelfuse Inc. AT1-B2-11-640-5D1-MT is a 1-pole magnetic hydraulic delay circuit breaker. It features a 40A current rating and 277V voltage rating.
Mfr Part #:

AT1-B2-11-640-5D1-MT

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AT1-B2-11-640-5D1-MT is a 1-pole magnetic hydraulic delay circuit breaker. It features a 40A current rating and 277V voltage rating.
Stock on Request
$ Price Range: $0.99

AT1-B2-11-640-5D1-MT 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

AT1-B2-11-640-5D1-MT Description

Short technical summary and product information.

This Littelfuse Inc. AT1-B2-11-640-5D1-MT is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic (hydraulic delay) mechanism for protection.

 

Key electrical specifications include a current rating of 40A and a voltage rating of 277V. The actuator type is a lever, and it does not feature illumination.

 

This circuit breaker is suitable for applications requiring reliable overcurrent protection within its specified electrical limits. Its panel mount design facilitates integration into various electrical enclosures and systems.

AT1-B2-11-640-5D1-MT Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AT1-B2-11-640-5D1-MT Magnetic Hydraulic Delay Circuit Breaker

AT1-B2-11-640-5D1-MT Compliance

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

AT1-B2-11-640-5D1-MT Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

AT1-B2-11-640-5D1-MT Features

  • 40A current rating for protection.
  • 277V voltage rating capability.
  • Magnetic hydraulic delay mechanism.
  • Panel mount design for integration.
  • Single pole configuration.

AT1-B2-11-640-5D1-MT Applications

  • Used for overcurrent protection.
  • Suitable for panel installations.
  • Industrial control systems.
  • Power distribution units.

AT1-B2-11-640-5D1-MT FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the AT1-B2-11-640-5D1-MT circuit breaker?

The current rating is 40A.

What is the voltage rating for this Littelfuse circuit breaker?

The voltage rating is 277V.

What type of breaker mechanism does the AT1-B2-11-640-5D1-MT use?

It uses a Magnetic (Hydraulic Delay) breaker type.

How many poles does the AT1-B2-11-640-5D1-MT have?

It has 1 pole.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

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