The electrical protection device of the water pump plays an important role in the operation of the water pump, which can ensure the safe operation of the water pump and improve its operating efficiency. In practical applications, the appropriate electrical protection device should be selected for installation and use according to the specific situation and operation requirements of the water pump.

Preventing vacuum pump overload requires multiple aspects, including reasonable selection of pump type and specifications, control of vacuum speed and load, installation of protective devices, strengthening cooling and heat dissipation, and regular inspection and maintenance.