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AA1-B0-52-620-1B1-MT The Littelfuse Inc. AA1-B0-52-620-1B1-MT is a 1-pole circuit breaker designed for panel mounting. It features a magnetic (hydraulic delay) trip mechanism.
Mfr Part #:

AA1-B0-52-620-1B1-MT

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-52-620-1B1-MT is a 1-pole circuit breaker designed for panel mounting. It features a magnetic (hydraulic delay) trip mechanism.
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AA1-B0-52-620-1B1-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
SVHC Present
Voltage Rating
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AA1-B0-52-620-1B1-MT Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-52-620-1B1-MT, is a single-pole device rated for 20A and 277V. It utilizes a magnetic (hydraulic delay) tripping mechanism for overcurrent protection.

 

The breaker is designed for panel mounting and features a lever actuator. It is approved by CCC and UL489A. The component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1.

 

This circuit breaker is suitable for applications requiring reliable overcurrent protection with specific voltage and current ratings. Its panel mount design facilitates integration into various electrical enclosures and systems.

AA1-B0-52-620-1B1-MT Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-52-620-1B1-MT Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-52-620-1B1-MT Compliance

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

AA1-B0-52-620-1B1-MT Features

  • 20A current rating for protection.
  • 277V operating voltage capacity.
  • Magnetic (hydraulic delay) tripping.
  • Single pole circuit breaker.
  • Panel mount design for integration.

AA1-B0-52-620-1B1-MT Applications

  • Provides overcurrent protection.
  • Suitable for 277V systems.
  • Used in panel installations.
  • Features hydraulic delay tripping.

AA1-B0-52-620-1B1-MT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of this circuit breaker?

277V.

What is the current rating?

20A.

What type of circuit breaker is it?

Magnetic (Hydraulic Delay).

How many poles does it have?

1.

What is the mounting type?

Panel Mount.

What approvals does it have?

CCC and UL489A.

What actuator type is used?

Lever.

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