Main features: l Powerful starting torque. l Compact structure and light weight. l Thermal protection. l Protection class: IP54 l Excellent sub-zero grease ensures quiet and stable operation, suitable forcold area. l Mechanical & electrical integration. l Wiring terminals for remote control, button switch, pressure sensor and infrared photocell. l A safety device is used to prevent the door from falling. l Manual override in case of power failure. l Comply with the industry standard of China 'Commercial Sectional Door Operator'