Air Circuit Breakers

Amptector

Parts In Stock
Westinghouse Amptector trip unit pictured.

Manufacturer: Westinghouse

Model: Amptector LI

Model Number: 139D643G01

Type: Solid State Trip Unit

If this solid state device isn't an exact match to the equipment you have please contact us. Our highly skilled sales staff will assist you in finding exactly what you need.

How Can We Help?

Use the form below to check stock on parts, full assemblies, accessories, switchgear or inquire about service work to your circuit breaker. No part number? No problem! Upload a picture or file of your existing equipment. Our expert staff is skilled at identifying replacement parts from customer images.