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AA1-B0-32-450-1B1-C The AA1-B0-32-450-1B1-C is a 5A, 277V single-pole magnetic hydraulic delay circuit breaker from Littelfuse. It features a lever actuator and panel mount configuration.
Mfr Part #:

AA1-B0-32-450-1B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The AA1-B0-32-450-1B1-C is a 5A, 277V single-pole magnetic hydraulic delay circuit breaker from Littelfuse. It features a lever actuator and panel mount configuration.
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AA1-B0-32-450-1B1-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
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AA1-B0-32-450-1B1-C Description

Short technical summary and product information.

The AA1-B0-32-450-1B1-C is a single-pole magnetic circuit breaker with hydraulic delay, manufactured by Littelfuse Inc. It is rated for 5A continuous current at 277V AC, making it suitable for overcurrent protection in various electrical systems.

 

The breaker features a lever actuator and is designed for panel mount installation. Its magnetic-hydraulic trip mechanism provides precise time-current characteristics for dependable circuit interruption. The device carries approvals from CCC, CSA, and UL, ensuring compliance with international safety standards.

 

This circuit breaker is unilluminated and intended for use in applications requiring reliable overcurrent protection in a compact, single-pole format.

AA1-B0-32-450-1B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: AA1-B0-32-450-1B1-C Panel Mount Magnetic Hydraulic Delay Circuit Breaker, 5A, 277V

AA1-B0-32-450-1B1-C Compliance

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

AA1-B0-32-450-1B1-C Features

  • Rated for 5A continuous current at 277V.
  • Single-pole magnetic hydraulic delay trip mechanism.
  • Panel mount design with lever actuator.
  • CCC, CSA, and UL agency approvals.
  • No illumination feature.

AA1-B0-32-450-1B1-C Applications

  • Overcurrent protection for lighting circuits
  • Branch circuit protection in panelboards
  • Motor control circuit protection
  • Power distribution unit protection
  • Industrial control panel protection

AA1-B0-32-450-1B1-C FAQs

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

277V

What is the mounting type?

Panel Mount

What is the current rating?

5A

How many poles does it have?

1 pole

What certifications does it have?

CCC, CSA, UL

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