The soft start module now has three programs: 1.TSR-40WA-R1 has soft start and no soft stop 2. TSR-40WA-R2 has soft start and soft stop. 3. TSR-40WA-R3 has soft start and soft stop (soft stop to 0)
The three-phase motor soft start module can work for a long time without switching the contactor.
The higher the motor power, the bigger the heat sink needs to be..