... control.High-High voltage resource VFD, direct 3, 3.3, 4.16, 6, 6.6, 10, 11 kV input, direct 3 ... , 3.3, 4.16, 6, 6.6, 10, 11 kV output, no output ... with light failure. Compatible with the standard analog signal of 0~10V or 4~20mA Integrated PID regulator to make the flexible close ...