EA44© Self Excited Automatic Voltage Regulator Compatible with Newage Stamford SX440 regulator • Voltage regulation less than +/-1% • Can be used in parallel operation • Adjustable DIP, TRIM & DROOP functions • Under frequency roll off protection • Sensing voltage loss protection • Under frequency LED indicator • Soft start voltage ramping Sensing Input Voltage 190 to 264 Vac 1 phase 2 wire Frequency 50/60 Hz selectable Excitation Output Voltage Max. 90 Vdc @ power input 207 Vac Current Continuous 4A Intermittent 10A for 10 seconds Resistance Min. 15 ohms External Volts Adjustment Max. +/-8% @ 1K ohm 1 watt potentiometer Voltage Regulation Less than +/-1% (with 4% engine governing) Build Up Voltage 5Vac residual volts at power input terminal Soft Start Ramp Time 2 seconds +/-10% Static Power Dissipation Max. 12 watts Quadrature Droop Input Burden 10 ohms Max. input 0.33A Max. sensitivity 0.07A for 5% droop (PF=0) Analogue Voltage Input Input resistance 1K ohm Max. input +/-5 Vdc Sensitivity 1V for 5% generator volts Under Frequency Protection (Factory Presets) Set point 95% Hz Slope 170% down to 30 Hz Voltage Thermal Drift Less than 3% at -40 to +70 °C AVR Control Functions VOLT Voltage adjustment STAB Stability adjustment UFRO Setting under frequency protection knee point DROOP Droop adjustment TRIM Analogue input adjustment *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