... this field 4. reliable quality and reasonable price CRANE CONTROL PUSHBUTTON, Position Spring Return Selector Switch. AC. 50 ... up to 5A as controlling start and stop of remote and widely used in wharf, machine tools, textile ... machineries, etc. Other specifications: 10 lines, 8 lines, 6 lines, 4lines, 2 linesWork environ ment 1. ... 2-80HZ, the acceleration is 0.79; remote control switch