SR7 AVR Regolatore di Tensione Automatico Stabilizzatore per Gruppo Generatore Diesel pe66
Excitation Winding Resistance: DC resistance 10~100 ohm. Magnetic Field Output: Max. 63 VDC @ 220 VAC input, continuous 6A. Usually it costs about 30USD-50USD. Under Frequency Protection: adjustable range 42~60 Hz.