Conventional L1, L2, L3 are phase A, B, and C power supply lines;

Conventional T1, T2, T3 are phase A, B, and C power outlets;

A1 and A2 are the two ends of the contactor coil; there are two A2s for the convenience of the manufacturer. A2 has two connection points, which are the same. When wiring, A1 and A2 can be connected to the contactor side or the contactor. Both sides

13NO, 14NO are normally closed contacts;