Phase Stabilizer Product Details Specification Specification Data Sheets Technical Drawings User manual Features Medical Grade Power ±1.5% Output Voltage Regulation Input Filter (-40 dB) Controlled Impedance Load Regulation Output Filter (-60 dB/decade) Secondary Surge Suppression 2 Year Factory Warranty Specifications   Sizes 15 to 1,250 kVA   Input Voltage* 208 or 480 VAC   Output Voltage* 208Y/120 or 480Y/277 VAC   Frequency* 50 or 60 Hz, ±5%   Response Time 1 cycle typical   Harmonic Distortion 1% max. added at switching   Audible Noise Meets or exceeds NEMA standards   Common-Mode -120 dB <300 kVA   Normal-Mode -60 dB/decade   Neutral to Ground 0.5V max. potential   Overload (Inrush) 200% of full load for 10 second 1000% of full load for 1cycle   Input Voltage   Regulation Range +8% to -10% of nominal Output Voltage   Regulation Range ±1.5% typical, ±2% maximum phase imbalance   Voltage Surges 20% max. above nominal voltage, 50 milliseconds max. duration   Voltage Sags 30% max. below nominal voltage, 20 milliseconds max. duration   Line Transients 20% above nominal voltage 1/hr. max.   Efficiency >96% at 80% of load   Load Power Factor 0.3 leading or lagging to unity   Transformer Type     <300 kVA 3 phase computer grade, dual-shielded, copper wounded, isolation transformer     >400 kVA 3 phase, copper wound, buck-boost transformer   Transformer Impedance 3 to 5% (low impedance) Environmental   Operating Temperature 32°(0°C) to 104°F (40°C)   Operating Humidity 10 to 90% non-condensing   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 * Other voltages and frequencies available.        Copyright © 2002 Onlinepower, Inc. All rights reserved.