AA1-B0-12-450-122-MK The Littelfuse Inc. AA1-B0-12-450-122-MK is a single-pole circuit breaker rated for 5A and 277V. It features a magnetic hydraulic delay for reliable operation.
Mfr Part #:

AA1-B0-12-450-122-MK

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-12-450-122-MK is a single-pole circuit breaker rated for 5A and 277V. It features a magnetic hydraulic delay for reliable operation.
Stock on Request

AA1-B0-12-450-122-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
SVHC Present
Voltage Rating

AA1-B0-12-450-122-MK Description

Short technical summary and product information.

This Littelfuse Inc. AA1-B0-12-450-122-MK is a single-pole circuit breaker designed for panel mounting. It operates with a current rating of 5A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, providing a specific trip curve characteristic. The actuator type is a lever for manual operation. It does not feature illumination.

 

This component is compliant with RoHS3 standards and has an MSL rating of 1. It is suitable for various industrial and commercial applications requiring reliable overcurrent protection.

AA1-B0-12-450-122-MK Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-12-450-122-MK Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-12-450-122-MK Compliance

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

AA1-B0-12-450-122-MK Features

  • 5A current rating for reliable protection.
  • 277V voltage rating for industrial use.
  • Magnetic hydraulic delay breaker type.
  • Single pole panel mount design.
  • Lever actuator for easy operation.

AA1-B0-12-450-122-MK Applications

  • Industrial control panels.
  • Power distribution systems.
  • Machinery safety circuits.
  • Commercial electrical systems.

AA1-B0-12-450-122-MK FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-12-450-122-MK circuit breaker?

The current rating is 5A.

What is the voltage rating for the AA1-B0-12-450-122-MK?

The voltage rating is 277V.

What type of breaker is the AA1-B0-12-450-122-MK?

It is a magnetic breaker with a hydraulic delay.

How many poles does the AA1-B0-12-450-122-MK circuit breaker have?

It has 1 pole.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

Is the AA1-B0-12-450-122-MK 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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