AA1-B0-44-425-1B1-C Littelfuse AA1-B0-44-425-1B1-C is a 1-pole magnetic hydraulic delay circuit breaker rated for 2.5A at 277V. It features a panel mount design with a lever actuator.
Mfr Part #:

AA1-B0-44-425-1B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse AA1-B0-44-425-1B1-C is a 1-pole magnetic hydraulic delay circuit breaker rated for 2.5A at 277V. It features a panel mount design with a lever actuator.
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AA1-B0-44-425-1B1-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
SVHC Present
Voltage Rating

AA1-B0-44-425-1B1-C Description

Short technical summary and product information.

The Littelfuse AA1-B0-44-425-1B1-C is a single-pole magnetic hydraulic delay circuit breaker designed for overcurrent protection. It is rated for a continuous current of 2.5A at a maximum voltage of 277V. The hydraulic delay mechanism provides time-delayed tripping, making it suitable for applications with inrush currents.

 

The breaker uses a panel mount configuration and is operated via a lever actuator. It is not illuminated. The device carries approvals from CCC, CSA, and UL, indicating compliance with North American and Chinese safety standards.

AA1-B0-44-425-1B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: AA1-B0-44-425-1B1-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

AA1-B0-44-425-1B1-C Compliance

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

AA1-B0-44-425-1B1-C Features

  • Rated for 2.5A at 277V.
  • Single-pole magnetic hydraulic delay design.
  • Panel mount with lever actuator.
  • Approved by CCC, CSA, and UL.
  • Non-illuminated actuator.

AA1-B0-44-425-1B1-C Applications

  • Overcurrent protection for 277V lighting circuits.
  • Branch circuit protection in power distribution panels.
  • Used in industrial control panel equipment.
  • Panel mount installation for electrical enclosures.

AA1-B0-44-425-1B1-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-44-425-1B1-C?

The current rating is 2.5A.

What is the voltage rating of this circuit breaker?

The voltage rating is 277V.

What type of breaker is the AA1-B0-44-425-1B1-C?

It is a magnetic hydraulic delay circuit breaker.

How many poles does this breaker have?

It has 1 pole.

What is the mounting type for this breaker?

It is panel mounted.

What approvals does the AA1-B0-44-425-1B1-C hold?

It is approved by CCC, CSA, and UL.

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