Universal 15 Amp 1/2 Wave Self Excited Dip-Switch Progmmable avr Voltage Regulation < ±1% 220/440VAC Programmable Input Rugged Compact Desigh Soft Start Voltage Ramping With Under Frequency Roll Off Protection EMI Suppression Built-in High Capacity 15Amp Fuse Voltage:220/400VAC , 1 phase 2 wire Power Input voltage:180-240VAC , 1 phase 2 wire Output voltage:max 90 VDC at 240VAC input Current:Continuous 6A , intermittent 12A for 10secs Resistance:Min.10 ohm , Max 100ohm Voltage Build-up residual voltage at avr terminal >5VAC Voltage Regulation <±0.5% with 4% engine governing Operating Temperature:(-40°C to +65°C Storage Temperatue:(-40°C to +85°C External Volts Adjutment ±7% with 1k ohm 1 watt trimmer EMI Suppression Internal electromagnetic interference filtering Unit Power Dissipation:Max.8 watt Under Frequency Protection 60Hz system presets knee point at 57Hz 50Hz system presets knee point at 47Hz Dimensions 157mmL*117mmW*70mmH