The system is the combination of starting resistance, DC contactor, time relay, DC meter, etc., which realizes the function of limiting current during DC motor starting process and reduces the inrush current generated when directly starting DC motor.

The system is the combination of starting resistance, DC contactor, time relay, DC meter, etc., which realizes the function of limiting current during DC motor starting process and reduces the inrush current generated when directly starting DC motor.

          The product has passed the UL official certification test, and obtained the UL certificate whose number is B 84711819.Reference standard is UL508A, in conformity with the United States relevant laws and regulations.