wholesale Mechanical Limit Switch Sectional Door System Introduction This sectional door motor for medium duty is mainly used in the industrial sectional door equipped with balance spring, but also can applied in lifting industrial door. The installation of door machine has two forms, shaft drive and chain drive. Parameters ModelGK40 Power supplyAC220V single phase or AC380V three phase Torque40N.m Reduction Ratio1:58 Lubricating SystemOil-immersed Noise鈮?5dB Output Shaft Diameter桅25.4mm Environment Temperature-40掳C ~+45掳C Limit SwitchMechanical Kit Features Aluminum alloy surface with spray treatment. Shaft drive/chain drive installation. Interface between machine and control unit trough quick connector. Hand chain for manual release under emergency condition. Customized products available. Our Service Application: Residential, courtyard, pasture, farm, ranch, etc. Original: China Price: Negotiable Delivery date: Negotiable Market: Europe, North America, South America, Oceania Warranty: 1 year We are a store integrating design, production and sales of automatic gate openers. We are committed to providing more choices for our customers, try to meet most of our customers, and we are glad to accept suggestions for our products,we will try our best to analyze and optimize our products.Thank you so much for your support. All of our products are supplied directly from factory. So the price is very competitive. How can I place an order? You can contact any of our salesmen for machine and order details. Please tell us your requirements as clearly as possible when making an inquiry, so that we can send you a quotation as soon as possible.wholesale Mechanical Limit Switch website:http://www.gatexpert-store.com/sectional-door-operator-kit/mechanical-limit-switch-sectional-door-operator/