A changeover switch is designed to transfer a house (or business) electricity from the commercial power grid to a local generator when n outage occurs. ... With an automatic changeover switch , the home's power is automatically switched over during an outage, eliminating the need for manually switching Features: 2-pole cam switch for reliable phase selection 4 selectable positions for versatile operation Smooth and safe switching mechanism Durable and robust construction Easy to install and operate Specifications: Max. Current: 32A Rated current: 32A Rated frequency : 50/60 Rated voltage : 110-690V Uses Selecting electrical phases in three‑phase systems Changing motor supply lines manually Control panel circuit switching Backup power or alternate supply selection Industrial machines needing manual phase change control Package Includes: 1 x OPAS Change Over Selector Switch 2 Pole 32A