AA1-B0-20-620-1B1-C The Littelfuse Inc. AA1-B0-20-620-1B1-C is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B0-20-620-1B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-20-620-1B1-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-B0-20-620-1B1-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-B0-20-620-1B1-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-20-620-1B1-C, is designed for circuit protection applications. It operates as a magnetic (hydraulic delay) type with a single pole configuration.

 

The breaker has a current rating of 20 Amperes and a voltage rating of 277 Volts. It is designed for panel mounting, offering a secure and accessible installation. The actuator type is a lever, providing a clear visual indication of the breaker's state.

 

This component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1. It is also REACH unaffected. The approval agencies listed include CCC, CSA, and UL, indicating compliance with various safety standards.

AA1-B0-20-620-1B1-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: Littelfuse Inc. AA1-B0-20-620-1B1-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-20-620-1B1-C Compliance

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

AA1-B0-20-620-1B1-C Features

  • 20A current rating for circuit protection.
  • 277V voltage rating for various applications.
  • Magnetic (hydraulic delay) breaker type.
  • Panel mount design for easy installation.
  • Single pole configuration.

AA1-B0-20-620-1B1-C Applications

  • Overcurrent protection for industrial control panels.
  • Suitable for lighting and power distribution.
  • Used in HVAC equipment protection circuits.
  • Panel-mount breaker for general purpose use.

AA1-B0-20-620-1B1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-20-620-1B1-C 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-B0-20-620-1B1-C?

It is a Magnetic (Hydraulic Delay) type breaker.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

Is this circuit breaker 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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