AA1-B0-12-620-3B2-C The Littelfuse Inc. AA1-B0-12-620-3B2-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B0-12-620-3B2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-12-620-3B2-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277V voltage rating.
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AA1-B0-12-620-3B2-C 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-B0-12-620-3B2-C Description

Short technical summary and product information.

This Littelfuse Inc. AA1-B0-12-620-3B2-C is a single-pole circuit breaker designed for panel mounting. It offers a current rating of 20 Amps and a voltage rating of 277 Volts.

 

The breaker type is magnetic with a hydraulic delay, providing reliable overcurrent protection. It is approved by CCC, CSA, and UL agencies.

 

Key electrical specifications include a 20A current rating and a 277V voltage rating. The actuator type is a lever, and it features no illumination.

 

Environmental compliance includes RoHS3 compliance, MSL 1 Unlimited, and REACH unaffected status. The mounting type is panel mount.

AA1-B0-12-620-3B2-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-12-620-3B2-C Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-12-620-3B2-C Compliance

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

AA1-B0-12-620-3B2-C Features

  • 20A current rating for protection.
  • 277V voltage rating.
  • Magnetic hydraulic delay type.
  • Panel mount design.
  • CCC, CSA, UL approved.

AA1-B0-12-620-3B2-C Applications

  • Overcurrent protection for industrial control panels.
  • Branch circuit protection in power distribution.
  • Suitable for lighting and HVAC applications.
  • Protects motors and transformers from overloads.

AA1-B0-12-620-3B2-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-12-620-3B2-C?

The current rating is 20 A.

What is the voltage rating of this circuit breaker?

The voltage rating is 277 V.

What type of breaker is the AA1-B0-12-620-3B2-C?

It is a magnetic hydraulic delay circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What approvals does the AA1-B0-12-620-3B2-C hold?

It is approved by CCC, CSA, and UL.

What is the actuator type on this breaker?

The actuator type is a lever.

What is the mounting type for this circuit breaker?

The mounting type is panel mount.

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The Littelfuse Inc. BA1-B0-24-620-1B1-C is a single-pole circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
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