Universal 400Hz Intermediate Frequency 8 Amp Full Wave Single / Three Phase sensing Generator Automatic Voltage Regulator For Aviation and Military Spec 400Hz Generators • Voltage Sensing Input and Power Input can be single-phase or 3-phase • Digital voltage sensing circuit and Under Frequency Protection circuit improve thermal drift characteristics • Over Excitation Protection // Under Frequency Protection // Soft Start voltage ramping • Can be used with generators operating parallel • Built-in high capacity protection fuse • Built-in EMI suppression Sensing Input Voltage and Frequency DIP switch settings (Average Reading) Voltage 90 to 520 Vac 1 phase / 3 phase Frequency 320 to 420 Hz Power Input Voltage 60 to 300 Vac 1 phase / 3 phase Frequency 40 - 500 Hz Excitation Output 110V 1 phase Continuous 63 Vdc 8A Max. 90 Vdc 10A for 10 seconds 220V 1 phase Continuous 125 Vdc 8A Max. 180 Vdc 10A for 10 seconds 220V 3 phase Continuous 150 Vdc 8A Max. 215 Vdc 10A for 10 seconds Resistance Min. 15 ohms Max. 100 ohms @ 220V Fuse Spec. Slow blow 5 x 20 mm 10A External Volts Adjustment Max. +/-10% @ 1K ohm 1 watt potentiometer Quadrature Droop Input CT N:5A or N:1A Burden greater than 5 VA Analogue Voltage Input Input resistance greater than 2K ohms Input range +/-5 Vdc or 0 to 10 Vdc Build Up Voltage Greater than 5 Vac 25 Hz residual volts input power Soft Start Ramp Time 4 seconds +/-10% Voltage Regulation Less than +/-0.5% (with 4% engine governing) Typical System Response Less than 20 milliseconds EMI Built-in Harmonic suppression Static Power Dissipation Max. 6 watts Under Frequency Protection (Factory Presets) 400 Hz @ 360 Hz (adjustable) Over Excitation Protection 25 to 105% of input power (adjustable) The OE function can be turned off after 10 seconds delay Voltage Thermal Drift Less than 3% from -40 to +70 °C Under-Frequency Knee Point Thermal Drift Less than +/-0.1 Hz from -40 to +70 °C 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, Taiwa