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The device adopts A, B, C three-phase AC power supply and a leakage protection circuit and an over-voltage overload protection circuit and an execution circuit structure. The utility model has the advantages of large working current, less components, low cost, simple circuit, good function and practicability advantage. This patent project wants to transfer.
Index Number: 2072 Patent Name: Submersible Pump Start Protector
Patent No .: ZL200320111341.3 Patentee: Zhou Yichuan The utility model discloses a submersible pump starter protector, which consists of three-phase power supply A, B, C, leakage protection circuit, overvoltage, overload protection circuit, the implementation of the circuit and The other end of the leakage protection circuit is connected to the executive circuit; one end of the leakage protection circuit is connected to the three-phase power and the other end of the leakage protection circuit is connected to the executive circuit; the output control of the executive circuit is controlled by the three- Protect the load motor.