SP Powerworld EA04A Automatic Voltage Regulator is a direct replacement for the Basler VR63-4 & VR63-4A £75.00 plus VAT Accepted worldwide as the only Quality and Legal aftermarket replacement. It's been designed to work in exactly the same way and operates at the same performance. It’s the same size, function and has the same wiring connections, it also comes with 12 months warranty. Ex stock - shipped Worldwide. For EURO or USD pricing please contact us: Sales: [email protected] Tel: +44 (0)115 923 2568 (United Kingdom) Tel: (24-hour) +44 (0)7484709956 (United Kingdom) *All manufacturer names, numbers, symbols and descriptions are used for reference purpose only and do not imply that any part is the product of these manufacturers. Features: Voltage regulation less than +/-1% Sensing input 160 to 265 Vac / 300 to 550 Vac 50/60 Hz For use in 50/60 Hz brushless generator Under frequency & over excitation protection EMI suppression Built-in high breaking capacity fuse Specifications: Sensing Input Voltage 160 to 265 Vac / 300 to 550 Vac 1 phase Frequency 50/60 Hz selectable Power Input Voltage 90 to 300 Vac 1 phase Output Voltage Max. 63 Vdc @ 240 Vac input Current Continuous 4A Intermittent 7A for 60 seconds Resistance Min. 15 ohms / Max. 100 ohms Voltage Regulation Less than +/-1% (with 4% engine governing) Build Up Voltage Residual voltage at AVR terminal greater than 5 Vac Voltage Thermal Drift Less than 5% at temperature range -40 to +70 °C EMI Suppression Internal electromagnetic interference filtering Static Power Dissipation Max. 8 watts External Voltage Adjustment +/-15% with 1K ohm 1 watt potentiometer Over Excitation Shutdown Field volts shut down after a time delay if exciter field volts exceed 100+/-5 Vdc Under Frequency Protection(Factory Presets) 50 Hz system presets knee point at 45 Hz 60 Hz system presets knee point at 55 Hz AVR Control Functions VOLT Voltage adjustment STAB Stability adjustment SW Voltage or frequency selectable VAR Ex. VR Environment Operating Temperature -40 to +60 °C Storage Temperature -40 to +85 °C Relative Humidity Max. 95% Vibration 1.5 Gs @ 5 to 30 Hz 5.0 Gs @ 30 to 500 Hz Physical Specifications Dimensions 107.0 (L) x 75.0 (W) x 47.0 (H) mm Weight 175 g +/-2%