What do A and H mean in the Chint thermal relay NR2-25?
In the Chint thermal relay NR2-25, **A** stands for Automatic, and **H** stands for Hand. They are used to set the reset mode of the thermal relay after an overload prote...
What is the function of the thermal relay in the switch box?
The **thermal relay** in the switch box is mainly used for **overload protection of the motor**. Its core function is to cut off the power supply when the motor is overlo...
