AA1-B0-21-620-1D2-C The Littelfuse Inc. AA1-B0-21-620-1D2-C is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B0-21-620-1D2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-21-620-1D2-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-B0-21-620-1D2-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-B0-21-620-1D2-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-21-620-1D2-C, is designed for panel mounting and features a lever actuator. It offers a current rating of 20A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, providing reliable protection. It has a single pole configuration and no illumination.

 

Environmental compliance includes RoHS3 compliance, MSL 1, and REACH unaffected status. The mounting type is panel mount, suitable for various industrial and commercial applications requiring circuit protection.

 

Key specifications include a 20A current rating and a 277V voltage rating, making it suitable for a range of power distribution needs.

AA1-B0-21-620-1D2-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-21-620-1D2-C Magnetic (Hydraulic Delay) Circuit Breaker

AA1-B0-21-620-1D2-C Compliance

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

AA1-B0-21-620-1D2-C Features

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

AA1-B0-21-620-1D2-C Applications

  • Suitable for industrial control panels.
  • Used in power distribution systems.
  • Ideal for equipment protection circuits.
  • Applicable in commercial building wiring.

AA1-B0-21-620-1D2-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AA1-B0-21-620-1D2-C?

The voltage rating is 277V AC.

What is the current rating of the AA1-B0-21-620-1D2-C?

The current rating is 20A.

How many poles does this circuit breaker have?

It is a single pole (1 pole) device.

What type of breaker is the AA1-B0-21-620-1D2-C?

It is a magnetic (hydraulic delay) circuit breaker.

What is the actuator type for this breaker?

It has a lever actuator.

How is the AA1-B0-21-620-1D2-C mounted?

It is designed for panel mount installation.

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