AA1-B0-34-625-7B1-C The AA1-B0-34-625-7B1-C is a 25A, 277V, 1-pole magnetic hydraulic delay circuit breaker from Littelfuse Inc. It features a lever actuator and panel mount design.
Mfr Part #:

AA1-B0-34-625-7B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The AA1-B0-34-625-7B1-C is a 25A, 277V, 1-pole magnetic hydraulic delay circuit breaker from Littelfuse Inc. It features a lever actuator and panel mount design.
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AA1-B0-34-625-7B1-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-B0-34-625-7B1-C Description

Short technical summary and product information.

The AA1-B0-34-625-7B1-C is a single-pole magnetic hydraulic delay circuit breaker manufactured by Littelfuse Inc. It is rated for 25A continuous current at 277V AC/DC, making it suitable for branch circuit protection in industrial and commercial applications. The hydraulic-magnetic mechanism provides precise, temperature-stable overcurrent protection with a time-delay characteristic that allows for harmless inrush currents without nuisance tripping.

 

This circuit breaker uses a lever actuator for manual on/off control and is designed for panel mount installation. The non-illuminated design simplifies wiring and reduces power consumption. It carries approvals from CCC, CSA, and UL, indicating compliance with major international safety standards for circuit protection devices.

AA1-B0-34-625-7B1-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: AA1-B0-34-625-7B1-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic Circuit Breaker

AA1-B0-34-625-7B1-C Compliance

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

AA1-B0-34-625-7B1-C Features

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

AA1-B0-34-625-7B1-C Applications

  • Branch circuit protection in industrial panels.
  • Overcurrent protection for motors and transformers.
  • Commercial lighting and HVAC equipment protection.
  • Power distribution in control cabinets.

AA1-B0-34-625-7B1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-34-625-7B1-C?

The current rating is 25A.

What is the voltage rating of this circuit breaker?

The voltage rating is 277V.

What type of breaker is the AA1-B0-34-625-7B1-C?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What is the actuator type on this breaker?

The actuator type is lever.

What mounting type does this circuit breaker use?

It uses panel mount.

What agency approvals does the AA1-B0-34-625-7B1-C have?

It is approved by CCC, CSA, and UL.

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The Littelfuse Inc. AA1-B0-34-625-9B1-C is a 1-pole, magnetic (hydraulic delay) circuit breaker rated for 25A and 277V. It features a panel mount design with a lever actuator.
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