1、MULTI FUNCTIONS: Generator automatic voltage regulator, with EMI suppression circuit, low frequency protection and voltage retarding function. 2、POTENTIOMETER: 1kOhm remote potentiometer for 10% adjustment, set the alternator output voltage stability, turn clockwise to increase speed. 3、VOLTAGE RANGE: The high voltage range is 300V to 530V, and the low voltage range is 180V to 310V, which can meet the needs of more scenarios. 4、SAFE OPERATION: The voltage regulator shell is made of flame retardant materials to ensure safe and reliable operation, prolong the service life. 5、EASY CONNECTION: With fine workmanship, the generator auto voltage regulator has reasonable structure, which is convenient for connection and use. 1 x Voltage Regulator1 x User Manual Item Type: Automatic Voltage RegulatorInduction Input: 3PH/2PH 220V 230V 240V 380V 400V 415V for 50Hz3PH/2PH 208V 240V 277V 380V 416V 480V for 60HzHigh Voltage Range: 300V to 530VLow Voltage Range: 180V to 310VU Phase Droop 1 and 5A ACDrop Range: 0.8PF 6 PMG input power drops by 8%PMG Input Power: Continuous: 240V RMS+10%, Instantaneous 5 Seconds: 240V RMS+30 up to 240HzAREP Input Power: Continuous: 250V Peak+10%, Instantaneous 10 Seconds: 350V peak+5%, up to 75HzExcitation Current: 6A DC, continuous 9A for 5s (short circuit operation)AVR sensing terminal adjustment 1%Maximum Excitation Limit: 6A DC (factory setting)Maximum Excitation Limit: 30 seconds (factory setting) delayUnderfrequency Protection: 48.5Hz/ 58.5Hz for 50Hz/60Hz operationSlope: 1.2X (120%) VHzRemote Potentiometer: 1kOhm for 10% adjustmentAccessory Input: ± 4.5 VDC for ± 15%Sense loss Sense is turned on for 5 seconds and then turned offTemperature Range: -25℃-70℃Storage Temperature Range: -40℃-80℃Thermal Drift: 0.5% for 20℃ changeFuse: 9A AC 250V slow action