Safety device containing an audible alarm will break the circuit automatically when the pump is overloaded&deftemperature overheats or there is a shortage of oil or water.

• 设想周到的各种电子保护装置，如无熔丝开关，缺水或缺油，温度异常及泵浦过负荷等自动警示系统，回路能自动切断，确保安全。