... current up to 5A as controlling start and stop of remote and widely used in wharf, machine tools, textile machineries, etc ... lines, 6 lines, 4lines, 2 linesWork environ ment 1.Environment temperature:-25~+55 2.Air relative humidity : ≤85% 3Normal work when ... vibration frequency is 2-80HZ, the acceleration is 0.79; remote control switch