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AA1-F0-20-475-1D1-C Littelfuse AA1-F0-20-475-1D1-C is a 7.5A, 277V single-pole magnetic hydraulic delay circuit breaker. It features a lever actuator and panel mount configuration.
Mfr Part #:

AA1-F0-20-475-1D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse AA1-F0-20-475-1D1-C is a 7.5A, 277V single-pole magnetic hydraulic delay circuit breaker. It features a lever actuator and panel mount configuration.
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AA1-F0-20-475-1D1-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
Voltage Rating
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AA1-F0-20-475-1D1-C Description

Short technical summary and product information.

The Littelfuse AA1-F0-20-475-1D1-C is a single-pole magnetic circuit breaker with hydraulic delay for overcurrent protection. It is rated for 7.5A continuous current at 277V AC. The breaker utilizes a magnetic trip mechanism with hydraulic delay, providing time-delayed response to transient overloads. It features a lever actuator and is designed for panel mount installation. Approvals include CCC, CSA, and UL. This circuit breaker is suitable for a variety of applications requiring reliable overcurrent protection in electrical distribution and control systems.

AA1-F0-20-475-1D1-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: Littelfuse AA1-F0-20-475-1D1-C Single-Pole Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic Circuit Breaker

AA1-F0-20-475-1D1-C Compliance

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

AA1-F0-20-475-1D1-C Features

  • Rated for 7.5A at 277V AC.
  • Magnetic hydraulic delay trip mechanism.
  • Single-pole panel mount design.
  • Lever actuator for manual operation.
  • UL, CSA, and CCC approved.

AA1-F0-20-475-1D1-C Applications

  • Provides overcurrent protection in panel boards.
  • Suitable for branch circuit protection in commercial buildings.
  • Used in industrial control circuits requiring hydraulic delay.
  • Ideal for lighting and HVAC distribution systems.

AA1-F0-20-475-1D1-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-F0-20-475-1D1-C?

The AA1-F0-20-475-1D1-C is rated for 7.5A continuous current.

What is the voltage rating of this circuit breaker?

It is rated for 277V AC.

How many poles does the AA1-F0-20-475-1D1-C have?

It is a single-pole circuit breaker.

What type of circuit breaker is this?

It is a magnetic hydraulic delay circuit breaker.

What approvals does the AA1-F0-20-475-1D1-C have?

It is approved by CCC, CSA, and UL.

How is the AA1-F0-20-475-1D1-C mounted?

It is designed for panel mount installation.

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