AA1-B0-42-625-1B1-C The AA1-B0-42-625-1B1-C is a 25A, 277V single-pole magnetic hydraulic delay circuit breaker from Littelfuse Inc. It features a panel mount design with lever actuator and is non-illuminated.
Mfr Part #:

AA1-B0-42-625-1B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The AA1-B0-42-625-1B1-C is a 25A, 277V single-pole magnetic hydraulic delay circuit breaker from Littelfuse Inc. It features a panel mount design with lever actuator and is non-illuminated.
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AA1-B0-42-625-1B1-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

AA1-B0-42-625-1B1-C Description

Short technical summary and product information.

The AA1-B0-42-625-1B1-C is a single-pole magnetic (hydraulic delay) circuit breaker manufactured by Littelfuse Inc. It is rated for 25A continuous current at 277V AC, making it suitable for branch circuit protection in various electrical systems.

 

The breaker utilizes a magnetic hydraulic delay mechanism, providing reliable overcurrent protection with time-delay characteristics to withstand inrush currents. The lever actuator allows manual reset and operation. It is designed for panel mount installation, ensuring secure mounting in control panels or distribution boards.

 

The device carries approvals from CCC, CSA, and UL, indicating compliance with international safety standards. It is listed as RoHS3 compliant, REACH unaffected, and has an MSL of 1 (unlimited).

 

Common applications include industrial control panels, power distribution units, and equipment requiring circuit protection. The non-illuminated design reduces complexity in applications where visual indication is not needed.

AA1-B0-42-625-1B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-42-625-1B1-C Circuit Breaker

AA1-B0-42-625-1B1-C Compliance

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

AA1-B0-42-625-1B1-C Features

  • Single-pole magnetic hydraulic delay circuit breaker.
  • Rated for 25A continuous current at 277V.
  • Panel mount design with lever actuator.
  • Approved by CCC, CSA, and UL.
  • Non-illuminated actuator for simple operation.

AA1-B0-42-625-1B1-C Applications

  • Ideal for branch circuit protection in control panels.
  • Used in power distribution units and equipment.
  • Suitable for industrial and commercial electrical systems.

AA1-B0-42-625-1B1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the AA1-B0-42-625-1B1-C?

277V.

What is the package type of this circuit breaker?

Panel Mount.

What is the current rating of the AA1-B0-42-625-1B1-C?

25A.

How many poles does this circuit breaker have?

1 pole.

What type of breaker is the AA1-B0-42-625-1B1-C?

Magnetic (Hydraulic Delay).

What actuator type does this circuit breaker use?

Lever.

What approvals does the AA1-B0-42-625-1B1-C carry?

CCC, CSA, and UL.

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