Products

Custom Controls

Custom Controls

Multi-Speed & Reduced Voltage Starters

Sprecher + Schuh panel shops build various types of Multi-Speed and Reduced Voltage starters, including Part-Winding, Wye-Delta, Reduced Voltage Auto-transformer (RVAT) and electronic softstarters, all designed and built for 3- to 12-wire motor connections in Combination (Fusible and Circuit Breaker) models with a wide variety of modifications.

Click to enlarge view Double-door multi-starter panel with Motor Circuit Protector, six thermal magnetic circuit breakers to PCS softstarters controlling six motors. Two KTA controls connect to two smaller motors. CS4 relays and a distribution block are also included.   Click to enlarge view A 400HP/480V PNS combination softstarter with circuit breaker disconnect and HP rated separate bypass contactor.
 
Click to enlarge view 2-speed 1-winding combination starter with control transformer and deceleration relay, mounted in a Type-1 enclosure   Click to enlarge view PFS softstarter with thermal-magnetic circuit breakers and alternating relay, mounted in a Type-12 enclosure
 
Click to enlarge view This 350HP/480V combination reduced voltage, open transition wye-delta motor starter includes a circuit breaker disconnect, control transformer, and control terminals for customer connection.  Click to enlarge view A 150HP/480V reduced voltage auto-transformer starter mounted in a Type-4 enclosure.


Contact Technical Support for design assistance or more information on custom control panels.