1、This automatic voltage regulator is suitable for self-excited brushless generators with accurate voltage adjustment. 2、Use jumper to select single-phase 120/240VAC detection voltage, use jumper to select 50/60HZ. 3、The voltage range is adjustable, with low frequency protection and EMI suppression circuit functions, and stability. 4、Generator voltage regulation, over-voltage protection, fuse protection and low-speed protection and other functions. 5、The voltage regulator is small and compact, easy to install and disassemble, and simple to operate. Item Type: Voltage Regulator Product Model: AVC63-4A Single-phase two-wire selection by jumper Frequency 50/60Hz is selected by connecting wire Current: Continuous 4A, 7A within 60s or 9A within 10s; Resistance: Minimum 15Ω maximum 1000Ω Power Consumption: 15Watts maximum EMI Suppression: Built-in electromagnetic interference filter Low Frequency Protection: Adjustable range of inflection point value 45-55Hz Working Environment: Operating temperature -40-+60℃ Features Adjustment Knob: STAB: Stability adjustment U/F: Low frequency protection inflection point value adjustment Main Function: Low speed protection function, 50HZ/60HZ adjustable Choose 50/60HZ by jumper With low frequency protection and EMI suppression circuit functions Fuse protection with high breaking capacity 1 x Voltage Regulator 1 x User Manual