Voltage: 220/400VAC, 1 phase 2 wire Output voltage: max 90V DC@240V AC input Current: continuous 6A, intermittent 12A for 10secs Resistance: Min.10 ohm, Max.100 ohm Voltage build-up: residual voltage at AVR terminal more than 5VAC Voltage regulation: less than 0.5% with 4% engine governing Operating temperature: -40 to +65 Storage temperature: -40 to +85 External volts adjustment: +/-7% with 1K ohm 1W trimmer EMI suppression: internal electromagnetic interference filtering Unit power dissipation: Max.8W Under frequency protection: 60Hz system presets knee point at 57Hz; 57Hz system presets knee point at 47Hz Colour: black Material: plastic Package Contents: 1 x Voltage Regulator Only 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.