... by rain, snow and much dust for remote control of crane, electric block and other equipments.2. Main technical parametersProperty1 ... ) Dismantle the bottom cover. After putting all the control lines into the sealing sheath, fasten them at the ... .COB61,COB61A, COB62, COB62A, COB63, COB63A, COB64 ,COB64A,COB65Production: Control Box(switch control box,pushbutton control box) COB 61, COB61A, COB62, COB62A