Mfr Part #:

FA3-PB-14-850-22A-BT

The Littelfuse Inc. FA3-PB-14-850-22A-BT is a magnetic (hydraulic delay) circuit breaker with a 500A current rating and 277V AC voltage rating. It is designed for chassis mounting.

Stock on Request

FA3-PB-14-850-22A-BT Description

Short technical summary and product information.

This Littelfuse Inc. FA3-PB-14-850-22A-BT is a magnetic (hydraulic delay) circuit breaker designed for robust electrical protection. It features a high current rating of 500A and a voltage rating of 277V AC, with an additional DC rating of 125V.

The breaker is equipped with a lever actuator and is designed for chassis mounting, making it suitable for various industrial and commercial applications. It has 3 poles for comprehensive circuit control and protection.

Compliance is noted with RoHS3 status, MSL 1, and REACH unaffected. Approval agencies include CCC and UL489A, indicating adherence to safety standards. The part is identified by manufacturer part number FA3-PB-14-850-22A-BT and has a distributor part number of 432-FA3-PB-14-850-22A-BT-ND.

FA3-PB-14-850-22A-BT Quick Information

Product Type: Circuit Breaker

Series: FA3-PB

Canonical Name: Littelfuse Inc. FA3-PB-14-850-22A-BT Magnetic (Hydraulic Delay) Circuit Breaker

Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

FA3-PB-14-850-22A-BT Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

FA3-PB-14-850-22A-BT Features

Magnetic (Hydraulic Delay) circuit breaker type.
High current rating of 500 Amps.
Rated for 277 Volts AC operation.
Designed for chassis mount installation.
Features a lever actuator for control.

FA3-PB-14-850-22A-BT Applications

Suitable for industrial power distribution.
Used in control panel assemblies.
Provides overcurrent protection.
Ideal for high-power circuits.

FA3-PB-14-850-22A-BT FAQs

7 frequently asked questions generated from this part’s specifications.

What are the voltage ratings of the FA3-PB-14-850-22A-BT?

277V AC and 125V DC.

What is the current rating of this circuit breaker?

500A.

How many poles does it have?

3 poles.

What type of mounting does it use?

Chassis mount.

What actuator type is used?

Lever.

Is the circuit breaker illuminated?

No, it has no illumination.

What approvals does this part have?

CCC and UL489A.

Category	Circuit Breakers
Manufacturer Name	Littelfuse Inc.
Actuator Type	Lever
Approval Agency	CCC, UL489A
Breaker Type	Magnetic (Hydraulic Delay)
Current Rating	500A
Current Rating (Amps)	500A
Illumination	None
Mounting Type	Chassis Mount
Number of Poles	3
Voltage Rating	125 V DC