Constant Power 18 Product Details Specification Data Sheets Technical Drawings User manual Features Cost Effective Modular Design, Caster Based High Noise Immunity Exceptional Reliability Single Point Grounding Zero Current Tap Switching Excellent Voltage Regulation 2 Year Factory Warranty Specifications   Sizes 15, 30, 50, 75 and *100 kVA   Input Voltage** 208 or 480 VAC   Output Voltage** 208 Y/120 or 480 Y/277 VAC   Frequency* 60 Hz. ±5%   Response Time 1 cycle typical   Harmonic Distortion 1% max. added at tap switching   Audible Noise Meets or exceeds NEMA standards   Common-Mode -120 dB   Normal-Mode -40 dB/decade   Overload (Inrush) 200% of full load for 10 seconds 1000% of full load for 1 cycle Input Voltage   Regulation Range +10% to -26% of nominal Output Voltage   Regulation Range ±3% typ. ±4% maximum   Efficiency 96% at full load 98.5% at light load   Load Power Factor 0.3 leading or lagging to unity   Crest Factor 3:1 maximum   Transformer 3 phase computer grade, dual-shielded, copper wounded, isolation trans-former   Transformer Impedance 3 to 5%   3 Phase Power On   Indicator Neon   Input Voltage Cooling Convection Environmental   Operating Temperature 32°F (0°C) to 104°F (40°C)   Storage Temperature -4°F (-20°C) to 140°F (60°C)   Operating Humidity 5 to 95% non-condensing   Dimensions 15 - 50 kVA 42" (107 cm) Height 32" (81 cm) Width 22" (56 cm) Depth 75/100 kVA 42" (107 cm) Height 32" (81 cm) Width 27" (69 cm) Depth * 100 kVA only available in 480 volts input ** Other voltages and Frequencies available contact factory. - Specifications are subject to change without prior notification. -        Copyright © 2002 Onlinepower, Inc. All rights reserved.