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AA1-B0-24-450-3D1-C The AA1-B0-24-450-3D1-C is a 1-pole magnetic hydraulic delay circuit breaker from Littelfuse, rated 5A at 277V. It features a lever actuator and panel mount design.
Mfr Part #:

AA1-B0-24-450-3D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The AA1-B0-24-450-3D1-C is a 1-pole magnetic hydraulic delay circuit breaker from Littelfuse, rated 5A at 277V. It features a lever actuator and panel mount design.
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AA1-B0-24-450-3D1-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-B0-24-450-3D1-C Description

Short technical summary and product information.

The AA1-B0-24-450-3D1-C is a single-pole magnetic hydraulic delay circuit breaker from Littelfuse. Rated for 5A at 277V, it uses a hydraulic-magnetic mechanism to provide reliable overcurrent protection with a time-delay characteristic. The lever actuator allows easy manual reset or switching. Designed for panel mount installation, this breaker is suitable for various power distribution and equipment protection applications. It carries approvals from CCC, CSA, and UL, ensuring compliance with international standards.

AA1-B0-24-450-3D1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: AA1-B0-24-450-3D1-C Circuit Breaker, 5A, 277V, 1 Pole, Magnetic Hydraulic Delay, Panel Mount

AA1-B0-24-450-3D1-C Compliance

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

AA1-B0-24-450-3D1-C Features

  • Rated 5A and 277V for power applications.
  • 1-pole magnetic hydraulic delay breaker.
  • Panel mount with lever actuator.
  • Approved by CCC, CSA, and UL.
  • Single-pole overcurrent protection.

AA1-B0-24-450-3D1-C Applications

  • Overcurrent protection for branch circuits.
  • Used in industrial control panels.
  • Suitable for lighting and HVAC systems.
  • Ideal for power distribution equipment.

AA1-B0-24-450-3D1-C FAQs

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

5A

What is the voltage rating?

277V

How many poles does this breaker have?

1 pole

What type of breaker is it?

Magnetic (Hydraulic Delay)

What is the actuator type?

Lever

What is the mounting type?

Panel Mount

What approvals does it have?

CCC, CSA, UL

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AA1-B2-44-450-1B1-C
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The Littelfuse Inc. BA1-B2-24-450-111-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a 5A current rating.
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