1.-7 type voltage regulator is an advanced design electronic 5 Amp regulator that ensures performance of the alternators2.while they are running and during starting. The regulator is equipped with a complete protection system against operation conditions that could be dangerous for the machine.3.The SR7 regulator is suitable for being used with all M.A alternators and is standard supply for power outputs 85 , both three-phase and single phase.4.-7 AVR in for quick delivery.5.-7 AVR/ Automatic Voltage RegulatorAVR SR7,AVR SR7-2G For GeneratorSensing InputTerminal 1,2 3,4 5,6Can be connected to Y or220~480VAC Single Phase 50/60HZPower Input50~280VAC (1,2)50/60HZOutput VoltageMaximum 90VDC @ 220VACHarmonic WaveOutput CurrentContinuous 6A Maximum 8A for 10 sec.Over Excitation Protection25~55VDC @ 0.1~20 sec.Under Frequency Protection Range 42~60HZVoltage Regulation Less than 1% (with 6% engine governing)External Volts Adjustment5% @ 100KVoltage -upResidual Voltage above 5 VAC 25HZEMI SuppressionInternal Electromagnetic Interference FilteringExcitation Winding ResistanceDC Resistance 10~100The -7 type voltage regulator is an advanced design electronic 5 Amp regulator that ensures performance of the alternators while they are running and during starting. The regulator is equipped with a complete protection system against operation conditions that could be dangerous for the machine. The -7 regulator is suitable for being used with all M.A alternators and is standard supply for power outputs 85 , both three-phase and single phase.Material:Plastic + Metalcolour:BlackPackage Contents:1 x English manual1 x voltage regulator boardOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.