What Is The Motor Thermal Protector
Motor thermal protector is a bimetallic superheat protector, is the thermal protection device for the normal operation of the motor. In Ya Xun, to provide a full range of motor thermal protection, such as: DC, single-phase, three-phase, low-voltage motor, high-voltage motor.
There are many reasons for motor overheating, such as running overload, selection is not appropriate, cooling failure, lack of monitoring and necessary maintenance leading to premature aging of insulation.
The motor in the run-time will produce losses, these losses on the one hand to reduce the efficiency of the motor, on the other hand the loss turns into a motor heating, so that the motor winding temperature increases.
The life of the winding insulation material is related to its operating temperature. The temperature is too high, the insulation material will accelerate aging,  so that a significant reduction in insulation performance,  significantly shorten the life of the motor, even the risk of fire and  electric shock hazard. Therefore, the purpose of motor  overheating protection, mainly in the design, manufacture, installation  and use of motor protection measures, when the motor is  operating under certain load and heat dissipation conditions, the  temperature of the winding does not exceed the allowable value of the  standard.

Features
1. Wide range of applications;
2. Structural design precision;
3. Can also sense the temperature and current;
4. action fast and accurate;
5. Certification is complete: UL certification, CUL certification, VDE certification, RoHS certification;
6. Function: single-hop characteristics, the temperature reaches the automatic disconnect circuit;
7. Accuracy of action temperature ± 2 ℃ ± 3 ℃ ± 5 ℃;
8. can be repeated action ≥ 10000 times;
9. Small size
10. Bimetallic sheet with fast trip characteristics (snap act 10n)
11. With the induction current and temperature and the performance of the action
12. Support a wide range of power: 0.55KW - 75KW (5A - 150A)