1、Short Circuit Protections: This is an AVR voltage regulator with over voltage, over current and short circuit protection 2、Universal Accessories: Universal accessory, suitable for most 7‑8KW single phase generator sets, diesel generator sets 3、Basic Specifications: The wiring harness is 6 wires (4 wire socket + 2 wire socket + 2 carbon brush wires, red is +), and the output voltage is 220V 4、Reliable Performance: This AVR voltage regulator uses high quality electronic components, stable and reliable performance 5、Number of Generator Phase: The number of generator phase of this AVR voltage regulator is 3 phase, and the installation hole distance is 140±1mm Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.