... , dead-0.5-3% (can be set according to system requirements); 7, damping properties: no swing 8, power supply ... %) 50Hz ± 1% Three-phase 380V ± 10% 50Hz ± 1% 9, the working environment: temperature: Integral -10 - +55 ; discrete -25 - +70 ; Humidity ... stroke control switches and mechanical limit) 15, the working system; reversible intermittent working system, connected to sustained rate of 50% per hour, ...