Direct Start Y / -start Auto transformer starter Mice cage style motor Traditional Motor start method Direct Start Y / -start Auto transformer starter

Superabundance starting current Direct Start Direct start torque load torque Acceleration Torque Current (Torque) 6-10 x In 2.5 X （In） motor torque motor current Acceleration Torque Superabundance starting current 1 In speed speed 100% N 100% N

Y /  Start Low cost/Simple to Operation Constant Torque running Switch Peak value Six line operation

Y /  Start Motor Over Load Fuse L1 U1 W2 L2 V1 U2 W1 V2 L3 Connect insulator contactor  contactor Y contactor

Superabundance start current Y /  Start Y (Current) Y (Torque) switch peak value (hight to 20xIn)  Torque Y Torque Load torque surplus speed torque 6-10 x In Superabundance start current 2.5 Motor current X (In) motor torque 1 0.66 In speed 100% N speed 100% N

Auto transformer starter Difficult to Design Bulky Expensive One-time use only High cost for repeated uses

Auto transformer starter K3 K2 K1 contactor Connect insulator Motor overload L1,L2, L3 Fuse Auto transformer starter motor (Y/  connection)

Auto transformer star Current Torque motor torque load torque pace speed up 6-10 x In 2.5 Motor current X (In) motor torque 0.66 In speed 100% N speed 100% N