MARATHON AVR ,SE350 Leroy Somer,R230,R438,R448,R449 Voltage regulator SX440,SX460, AS440 GAVR-8A,GAVR-10B,GAVR-12A,GAVR-15B, GAVR20A GAVR15A GAVR12A GAVR8A Specifications SensingInput Voltage 220/400VAC,1phase 2wire Power Input Voltage 180~240VAC, 1phase 2wire Output Voltage input Current Continuous 6A              Intermittent 15A for 10SEE             Resistance Min.10Ω Max 100Ω Voltage Build-up esidualvolts at AVR teminal>5VAC External Volts Adjustment +/-7%with 1KΩ 1watt trimmer Unit Power Dissipation Max.8Watt Under Frequency Protection 60Hz system presets knee point at 57Hz (Factory Settings) 50Hz system presets knee point at 47Hz