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FA3-PB-14-850-42A-BT The Littelfuse Inc. FA3-PB-14-850-42A-BT is a 3-pole circuit breaker rated for 500A and 277V. It features a magnetic hydraulic delay and a lever actuator.
Mfr Part #:

FA3-PB-14-850-42A-BT

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. FA3-PB-14-850-42A-BT is a 3-pole circuit breaker rated for 500A and 277V. It features a magnetic hydraulic delay and a lever actuator.
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FA3-PB-14-850-42A-BT 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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FA3-PB-14-850-42A-BT Description

Short technical summary and product information.

This Littelfuse Inc. FA3-PB-14-850-42A-BT is a 3-pole circuit breaker designed for robust protection. It offers a high current rating of 500A and a voltage rating of 277V, making it suitable for demanding applications.

 

The breaker type is magnetic with a hydraulic delay, providing reliable tripping characteristics. It is designed for chassis mounting and features a convenient lever actuator for operation. Approval agencies include CCC and UL489A, indicating compliance with relevant safety standards.

 

This component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited. It is suitable for various industrial and commercial applications requiring dependable circuit protection.

FA3-PB-14-850-42A-BT Quick Information

Product Type: Circuit Breaker
Series: FA3
Canonical Name: Littelfuse Inc. FA3-PB-14-850-42A-BT Circuit Breaker

FA3-PB-14-850-42A-BT Compliance

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

FA3-PB-14-850-42A-BT Features

  • 500A current rating for high power applications.
  • 277V voltage rating for versatile use.
  • Magnetic breaker with hydraulic delay.
  • Chassis mount design for easy installation.
  • Lever actuator for convenient operation.

FA3-PB-14-850-42A-BT Applications

  • Provides protection in industrial power systems.
  • Suitable for high-current distribution panels.
  • Used in commercial electrical infrastructure.
  • Ensures safety in demanding environments.

FA3-PB-14-850-42A-BT FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the FA3-PB-14-850-42A-BT circuit breaker?

The current rating is 500A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

What type of breaker is the FA3-PB-14-850-42A-BT?

It is a magnetic breaker with a hydraulic delay.

How many poles does this circuit breaker have?

It has 3 poles.

What is the mounting type for the FA3-PB-14-850-42A-BT?

The mounting type is chassis mount.

Which approval agencies are listed for this circuit breaker?

The approval agencies are CCC and UL489A.

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