Kg60/kg120s/kg200s Main features: Powerful starting torque.Compact structure and light weight.Thermal protection. Protection class: ip54 Excellent sub-zero grease ensures quiet and stable operation, suitable for cold area. Mechanical & electrical integration.Wiring terminals for remote control, button switch, pressure sensor and infrared photocell. A safety device is used to prevent the door from falling. Manual override in case of power failure. Comply with the industry standard of china 'commercial sectional door operator. ===========================================