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AA1-B0-24-625-1D1-C Littelfuse AA1-B0-24-625-1D1-C is a 25A, 277V, 1-pole magnetic hydraulic delay circuit breaker. It features a lever actuator and panel mount design, approved by CCC, CSA, and UL.
Mfr Part #:

AA1-B0-24-625-1D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse AA1-B0-24-625-1D1-C is a 25A, 277V, 1-pole magnetic hydraulic delay circuit breaker. It features a lever actuator and panel mount design, approved by CCC, CSA, and UL.
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AA1-B0-24-625-1D1-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
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AA1-B0-24-625-1D1-C Description

Short technical summary and product information.

The Littelfuse AA1-B0-24-625-1D1-C is a single-pole magnetic (hydraulic delay) circuit breaker rated for 25A continuous current and 277V AC. It uses a lever actuator for manual operation and is designed for panel mount installation. This breaker provides overcurrent protection with a hydraulic-magnetic trip mechanism that offers time delay characteristics. The device is certified by CCC, CSA, and UL, ensuring compliance with international safety standards. Typical applications include branch circuit protection, industrial control panels, and lighting distribution systems. The panel-mount design allows for easy integration into enclosures and distribution boards. The hydraulic delay feature provides immunity to nuisance tripping from transient currents while still protecting against sustained overloads.

AA1-B0-24-625-1D1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse AA1-B0-24-625-1D1-C Magnetic (Hydraulic Delay) Circuit Breaker, 25A, 277V, 1 Pole, Panel Mount
Subcategory: Magnetic Circuit Breaker

AA1-B0-24-625-1D1-C Compliance

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

AA1-B0-24-625-1D1-C Features

  • Rated for 25A continuous current.
  • Rated for 277V AC voltage.
  • Single-pole magnetic hydraulic delay design.
  • Panel mount with lever actuator.
  • Approved by CCC, CSA, and UL.

AA1-B0-24-625-1D1-C Applications

  • Time-delayed overcurrent protection for industrial equipment.
  • Protects lighting circuits rated up to 25A.
  • Suitable for motor starting applications.
  • Used in power distribution panels.

AA1-B0-24-625-1D1-C FAQs

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

25A.

What is the voltage rating?

277V.

What type of breaker is it?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

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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