Every Westinghouse Cutler Hammer SPB breaker is customized at the factory for your particular installation. You MUST have this information or it will not work in your switchgear.

This video will help you to identify the configuration of your SPB circuit breaker. How it is mounted, the trip unit, and accessories installed.

We need this information in order to supply the correctly configured SPB breaker. If you still need help, you can call us anytime at 800.421.5082 and we will be happy to walk you through the process. Thank you for visiting.

SPB50, SPB65, SPB100, AND SPB150 are the nameplates that are most often used.