Less than ±0.5% adjustment   220/400 VAC programmable input   Rugged and compact design   With underfrequency protection; Frequent start-up voltage ramps   EMI suppression; Built-in high capacity 15Amp fuse      Specification:   General Purpose Brushless AVR: GAVR-20B Black Potentiometer   Inductive input voltage: 220/400VAC, 1-phase 2-wire   Power input voltage: 180-240VAC, 1-phase 2-wire   Output Voltage: 90 VDC max at 240VAC input   Current: 6A continuously, 15A intermittently for 10 seconds   Resistance: Min 120ohm, Max 100ohm   Voltage accumulation: residual voltage on AVR terminals Greater than 5VAC   Voltage regulation: Less than ±0.5%, of which 4% for engine regulation   External Voltage Adjustment: ±7% at 1k ohm 1 watt trimmer   EMI suppression: Internal EMI filtering   Unit power consumption: maximum 8 watts   Underfrequency protection: 60Hz system presets the knee point to 57Hz   50Hz system presets the knee point to 47Hz   Dimensions: 157 x 117 x 70mm   Generator power: brushless/150-300kw generator   Material: PC+Metal   colour: black      Package Contents:   2 x GAVR-20A Automatic Voltage Regulator   2 x screw pack   1 x English Instruction Manual      Only the above package content, other products are not included.   Note: Light shooting 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.