Wireless Over-Wind Protection System, Wireless A2B Switch for Lorry Crane.
System include:
1. Wireless signal transmitter(Limit switch / A2B switch) at boom top (Power by battery, input main and aux hook signal)
2. Wiress signal receiver in operator's cabin (Power by 24VDC, output alarm signal or cut off signal)
3. Hammer (1 or 2 pcs)
4. Steel rope (1 or 2 pcs)