Siemens soft starter 3rw40 years of service life

10 years. According to the query Siemens official website, Siemens soft starter 3rw40 use time is limited, routine maintenance, cleaning can be used for 10 years of time, the use of long time. Siemens soft starter is a kind of motor starting and control equipment, which can control the voltage and frequency to reduce the shock and pressure when the motor starts, so as to protect the motor and reduce energy consumption.