The utility model discloses a submersible pump starting protector, which is composed of a three-phase power supply A, B, C, a leakage protection circuit, an over-voltage protection circuit, an overload protection circuit, an execution circuit and a motor to be protected. One end of the leakage protection circuit Connected to the three-phase power supply, the other end is connected to the execution circuit; one end of the leakage protection circuit is connected to the three-phase power supply and the other end is connected to the execution circuit; the output of the execution circuit controls the motor to be protected.
The device uses A, B, C three-phase AC power supply into the leakage protection circuit and over-voltage protection circuit and the implementation of the circuit structure, with a large current, less components, low cost, simple circuit, good function, practicality and so on advantage. This patent project wants to transfer.
Vertical Automatic Tin Dipping Machine
Vertical Automatic Tin Dipping Machine,Vertical Automatic Tin Immersion Furnace,Economical Semi-Automatic Tin Immersion Furnace,Vertical Tin Immersion Furnace
Shenzhen Maijie Automation Equipment Co., Ltd. , https://www.mj-autowelding.com