Item Type: Automatic Voltage Regulator Material: ABS Model: SR7-2 Detection and Power Input: 80-270VAC Power Input: Voltage 50-270VAC (1, 2) Frequency: 50, 60Hz Magnetic Field Output: Maximum 63VDC when the voltage is 220VAC input, the current is 6A continuously Voltage Regulation Rate: 1% Surroundings: Working Temperature: -40-70 Maximum Humidity: Up to 95% Storage Temperature: -55-80 1Automatic Voltage Regulator: This voltage regulator is an advanced design electronic 5 amp voltage regulator to ensure the best performance of the alternator. 2Protection System: The regulator is equipped with a complete protection system against operating conditions that may be dangerous to the machine, ensuring safe operation. 3Wide Compatibility: This regulator is suitable for Mecc Alte alternators and is standard for 3 phase and single phase power outputs up to 85 kVA. 4ABS Housing: ABS has good insulating properties, is light and wear resistant, and the regulators made from it are durable. 5Reliable Performance: The setting method of the voltage stabilizer board is simple, easy to use, and stable and reliable in performance.1 x Automatic Voltage Regulator 1 x Accessory 1 x Instruction