AA1-B0-14-640-591-MK The Littelfuse Inc. AA1-B0-14-640-591-MK is a magnetic hydraulic delay circuit breaker. It features a 40A current rating and 277V voltage rating.
Mfr Part #:

AA1-B0-14-640-591-MK

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-14-640-591-MK is a magnetic hydraulic delay circuit breaker. It features a 40A current rating and 277V voltage rating.
Stock on Request

AA1-B0-14-640-591-MK 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

AA1-B0-14-640-591-MK Description

Short technical summary and product information.

This Littelfuse Inc. AA1-B0-14-640-591-MK is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic hydraulic delay mechanism for protection.

 

The circuit breaker has a current rating of 40A and a voltage rating of 277V AC. It features a lever actuator for operation and is approved by CCC, UL489A, and VDE.

 

This component is suitable for applications requiring reliable overcurrent protection. Its panel mount design facilitates integration into various electrical enclosures and systems.

AA1-B0-14-640-591-MK Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-14-640-591-MK Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-14-640-591-MK Compliance

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

AA1-B0-14-640-591-MK Features

  • 40A current rating for circuit protection.
  • 277V voltage rating for AC applications.
  • Magnetic hydraulic delay trip mechanism.
  • Panel mount design for easy installation.
  • Lever actuator for operation.

AA1-B0-14-640-591-MK Applications

  • Panel mount circuit protection for lighting
  • Magnetic hydraulic delay motor protection
  • 40A branch circuit overcurrent protection
  • 277VAC commercial equipment power distribution
  • Single-pole breaker for control panel load

AA1-B0-14-640-591-MK FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-14-640-591-MK circuit breaker?

The current rating is 40A.

What is the voltage rating for the AA1-B0-14-640-591-MK circuit breaker?

The voltage rating is 277V.

What type of breaker mechanism does the AA1-B0-14-640-591-MK use?

It uses a Magnetic (Hydraulic Delay) mechanism.

How is the AA1-B0-14-640-591-MK circuit breaker mounted?

It is designed for Panel Mount.

What is the actuator type for this circuit breaker?

The actuator type is a Lever.

How many poles does the AA1-B0-14-640-591-MK circuit breaker have?

It has 1 pole.

Which approval agencies have certified the AA1-B0-14-640-591-MK?

It is approved by CCC, UL489A, and VDE.

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