1、MAIN APPLICATION: This AVR board is applicable to the generator and used to stabilize the output voltage of the generator. 2、COMPACT DESIGN: The AVR board is small in size and light in weight, sturdy and durable for long term use. 3、SAFE USE: The AVR board possesses under frequency protection, over excitation protection and voltage delay function, electromagnetic interference suppression. 4、IDEAL REPLACEMENT: This AVR board is an ideal replacement for the old and damaged parts for better generator performance. 5、EASY TO INSTALL: Comes with a small size and lightweight as well, you can easily complete the installation and put the board into use. Item Type: Generator Voltage Regulator Material: Metal, PC Current: Continuous 5A, intermittent 7A, lasting for 10 seconds. Resistance: 15 ohms minimum, 100 ohms maximum Overexcitation Protection 78 ± 5VDC at 220VAC, 5 seconds. Unit Power Consumption: 8 watts maximum Soft Start Ramp Time: 3 seconds EMI suppression internal electromagnetic interference filtering AVR thermal drift per 0.03% change in ambient temperature Underfrequency protection (Factory setting) The preset inflection point of 60Hz system is 55Hz The 50Hz system presets the inflection point to 45Hz Ambient Working Temperature: - 40 to 70℃ Storage Temperature: - 40 to 85℃ Relative Humidity: 95% maximum Vibration: 3G at 100-2KHz STAB: Stability adjustment U/F: Set U/F inflection point (U/F: underfrequency protection) 1 x Generator Voltage Regulator