Automatic voltage regulator AVR R230 voltage regulator of a sealed electronic devices, by adjusting the excitation current in order to stabilize the output voltage of the brushless generator. Frequency: 50-60Hz Voltage input: 85-139VAC Output Voltage: max 63VDC at 100VAC input Current: continuous 8A dc, intermittent 10A for 10 secs Resistance: 15 Ω minimum Regulation: +/-0.5% Voltage build-up: Residual voltage at avr terminal equal 5VAC External Voltage Adjustment: +/-10% with 1k ohm 1 watt trimmer Voltage regulation ±0.5% Short circuit capability: 3 x Irated for 10 seconds (AREP or excitation) Voltage sensing: 95 to 140 volts (50/60 Hz) or 170 to 260 volts (50/60 Hz) or 340 to 520 volts (50/60 Hz) Response time: Normal (1 sec) for ± 20% voltage variation or Rapid (0.3 sec) for ± 20% voltage variation Remote voltage adjustment range of: ± 5% Colour:Black Material:Plastic Package Contents: 1 * Automatic Voltage Regulator Only the above package content, other products are not included. Note: Light reflection 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.