Industrial Purpose Oil Immersed Automatic Transfer Switch is available in various ratings like 440 V, 3 phase, 3 wire, 50 Hz up to 100 HP. The Automatic Transfer Switch is ideal for starter of squirrel cage induction motors. The Automatic Transfer Switch is made of quality grade raw material which ensures optimum durability along with long lasting trouble free service. Industrial Purpose Oil Immersed Automatic Transfer Switch is strong and rigid in construction and requires minimal maintenance.