ADWR-44© Hybrid Analog/Digital Single Phase sensing Automatic Voltage Regulator Compatible with Stamford AS440 AVR • Digital Voltage Sensing and Under Frequency Protection circuits reduce thermal drift • Soft start voltage ramping • Over excitation protection • Quadrature Droop Input for parallel operation • EMI suppression • Built-in high capacity fuse Sensing Input Voltage 90 to 130 Vac @ 110 Vac 1 phase 2 wire EMI Suppression Internal electromagnetic interference filtering (Average Reading) Voltage 180 to 260 Vac @ 220 Vac 1 phase 2 wire Static Power Dissipation Max. 4 watts Frequency 50/60 Hz Jumper setting Quadrature Droop Input Max. sensitivity 0.07A for 5% droop Power Input Voltage 40 to 300 Vac 1 phase 2 wire Max. input 0.33A Frequency 40 to 60 Hz Analogue Voltage Input +/-5 Vdc or +10 Vdc, 5% @ 1 Vdc Excitation Output Continuous 63 Vdc 4A @ 220 Vac 1 phase Under Frequency Protection (Factory Presets) Max. 90 Vdc 7.5A for 10 seconds 50 Hz system knee point at 45 Hz Resistance Min. 15 ohms Max. 100 ohms 60 Hz system knee point at 55 Hz Fuse Spec. Slow blow 5 x 20 mm S505-6.3A Over Excitation Protection Set point 20 to 55V @ 110V External Volts Adjustment Max. +/-10% @ 1K ohm 1 watt potentiometer Set point 40 to 110V @ 110V Voltage Regulation Less than +/-0.5% (with 4% engine governing) Voltage Thermal Drift Less than 3% at -40 to +70 °C Build Up Voltage 5Vac 25Hz residual volts at power input terminal Under Frequency Knee Point Thermal Drift Soft Start Ramp Time 4 seconds +/-10% Less than +/-0.1 Hz at -40 to +70 °C Typical System Response Less than 20 milliseconds Physical Specifications *All manufacturer names and numbers are used for reference purpose only and do not imply that any part is the product of these manufacturer. KUTAI ELECTRONICS INDUSTRY CO., LTD. TEL : +886-7-8121771 FAX : +886-7-8121775 Website : www.kutai.com.tw Headquarters : No.3, Ln. 201, Qianfu St., Qianzhen Dist., Kaohsiung City 80664, Taiwan