Why does the water pump burn the motor? Starting with load can cause damage to the motor; the actual use head is too much lower than the pump nameplate head, etc. Let's follow the editor of K700 water pump to understand what are the reasons for the burning of the motor.
1. The equipment is overloaded, which makes the motor run at the rated current or over-rated current for a long time. Special attention should be paid to that the starting current of the motor is 3-5 times the rated current, so it should be avoided to start the equipment with load or full load operation (mainly depends on the matching margin of the rated current of the motor and the normal operating current)

2. The motor works in a humid working environment. Before starting the motor, the ground insulation and phase-to-phase insulation of the coil should be checked. The insulation requirements for different voltage levels are also different. You can refer to the relevant national standards for checking. During the operation of the motor, attention should be paid to the waterproof and moisture-proof of the motor.
3. The mechanical failure of the pump causes the motor to be overloaded, the current is too large and the coil is burnt.
4. There is a problem with the heat dissipation of the motor. Generally, motor coils are air-cooled, and submersible pumps are water-cooled. Large motors are mostly cooled by air-to-air heat exchangers and air-to-water heat exchangers. If the cooling water (air) is broken, the coil cannot dissipate heat, and the coil may be burnt.
The above is the K700 water pump editor's introduction: about the reasons for the burning of the motor in the water pump.