... urgent stop button control botton switch DETAIL DESCRIPTIONpush lock revolve, urgent stop button (one off nine on) Ui: 500V, Ith: 10A ... proof and water proof level thus it is suitable for operating in open area, dusty environment, rainy/snowy ... for controlling the electric circuit, conveyer belt and construction apparatus. waterproof on off pushbutton/push lock revolve hoist/crane control switch for ...