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AA1-B0-21-420-1C1-C The Littelfuse Inc. AA1-B0-21-420-1C1-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a panel mount design and a 2A current rating.
Mfr Part #:

AA1-B0-21-420-1C1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-21-420-1C1-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a panel mount design and a 2A current rating.
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AA1-B0-21-420-1C1-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
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AA1-B0-21-420-1C1-C Description

Short technical summary and product information.

This Littelfuse Inc. AA1-B0-21-420-1C1-C is a single-pole circuit breaker designed for panel mounting. It operates with a 2A current rating and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, providing specific trip characteristics suitable for various protection applications. The actuator type is a lever, and it does not feature illumination.

 

Compliance information indicates RoHS3 compliance, MSL 1 Unlimited, and REACH unaffected status. Approval agencies include CCC, CSA, and UL, signifying adherence to multiple safety standards.

AA1-B0-21-420-1C1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-21-420-1C1-C Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-21-420-1C1-C Compliance

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

AA1-B0-21-420-1C1-C Features

  • 2A current rating for protection.
  • 277V voltage rating.
  • Magnetic hydraulic delay breaker type.
  • Single pole, lever actuator.
  • Panel mount design.

AA1-B0-21-420-1C1-C Applications

  • Panel mount circuit breaker for branch circuits.
  • Overcurrent protection in lighting control panels.
  • Suitable for HVAC equipment power distribution.
  • Used in industrial control panel protection.

AA1-B0-21-420-1C1-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of AA1-B0-21-420-1C1-C?

2A.

What is the voltage rating?

277V.

How many poles does this circuit breaker have?

1 pole.

What type of breaker is the AA1-B0-21-420-1C1-C?

Magnetic (Hydraulic Delay) circuit breaker.

What is the actuator type?

Lever actuator.

What is the mounting type?

Panel mount.

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Single pole magnetic hydraulic delay circuit breaker rated 2A at 277V. Panel mount with lever actuator.
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