... Machine life time: ten million times 3.3C/UL Mitsubishi Elevator Contact,Magnetic Contactor S-N SeriesDetails Products Description:AC ... Power control: air conditioning, temperature switch, elevator, automatic door.5.Machine life time: ten million times.6.Enjoy 1 year quality warranty.Mitsubishi ... and reversing of the motor.S-N125:S-N300: Mitsubishi Elevator Contact,Magnetic Contactor S-N Series