Air Circuit Breakers
Amptector
Parts In Stock
![Westinghouse Amptector trip unit pictured.](images/Amptector-139D643G01.jpg)
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.