MasterSwitch 400A three phase static transfer switches (STS) provide added resilience to power continuity plans. These high reliability STS systems are available in 3 and 4-pole versions and can connect A and B power sources to a single load with both manual and automatic transfer. MasterSwitch STS are microprocessor controlled with advanced remote communications and provide additional resilience and hot supply replacement between power supplies: AC mains power or generator. Configurations include: redundant, cross feed, back-up and dynamic dual bus.
