Tronic Automatic Voltage Switcher 3 Phase

The Tronic Automatic Voltage Switcher 3 Phase  safeguards against both over- and under-voltage on any one of the three phases as well as phase loss. There is an option for mains frequency error or phase sequence error indication and/or disconnection. Additional Features: Maximum power – Controls any size contractor or external three-phase controller. User-adjustable wait duration of 10 seconds to 10 minutes Uses: Ideal for 3 phase air conditioners, industrial refrigeration, industrial plants and machinery, whole buildings and complete circuits.