... Hoist Pushbutton Switch,COB 63A 1,UsageIt is suitable to be used in ac 50 ... working voltage 220 V circuit control system. It is suitable for outdoor area, the environment in rain ... dust. 4, The main parametersa, characteristicsContact resistance is less than or equal to 50 MProtection class: ... diagram.C, Check or test if the connections is correct, if everything is normal,you can bunch and fasten ...