AA1-B0-14-620-221-MK The Littelfuse Inc. AA1-B0-14-620-221-MK is a 1-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay with a 20A current rating and 277V voltage rating.
Mfr Part #:

AA1-B0-14-620-221-MK

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-14-620-221-MK is a 1-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay with a 20A current rating and 277V voltage rating.
Stock on Request
$ Price Range: $0.99

AA1-B0-14-620-221-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-B0-14-620-221-MK Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-14-620-221-MK, is a single-pole device designed for panel mounting. It operates with a magnetic hydraulic delay mechanism, providing reliable circuit protection.

 

The breaker is rated for a current of 20A and a voltage of 277V. It is approved by CCC, UL489A, and VDE agencies, ensuring compliance with various safety standards. The actuator type is a lever, and it features no illumination.

 

This component is suitable for applications requiring robust overcurrent protection. Its panel mount design facilitates easy integration into control panels and electrical enclosures.

AA1-B0-14-620-221-MK Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-14-620-221-MK Circuit Breaker
Subcategory: Circuit Breakers

AA1-B0-14-620-221-MK Compliance

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

AA1-B0-14-620-221-MK Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

AA1-B0-14-620-221-MK Features

  • 20A current rating for circuit protection.
  • 277V voltage rating for electrical systems.
  • Panel mount design for easy installation.
  • Magnetic hydraulic delay for reliable operation.
  • Single pole configuration for basic circuits.

AA1-B0-14-620-221-MK Applications

  • Used for overcurrent protection.
  • Suitable for electrical control panels.
  • Integrates into various enclosure types.
  • Provides safety in power distribution.

AA1-B0-14-620-221-MK FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-14-620-221-MK 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 AA1-B0-14-620-221-MK?

It is a Magnetic (Hydraulic Delay) breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What is the mounting type for the AA1-B0-14-620-221-MK?

The mounting type is Panel Mount.

Which approval agencies have certified this circuit breaker?

It is approved by CCC, UL489A, and VDE.

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