Key Specifications Parameter Value Model UHA1R-0200L Series UHA1R / Adapt Series Capacity 20 kVA / 18 kW (power factor 0.9) UPS Type Three-phase Online / Double-conversion Input Input Voltage 380/400/415 VAC (3-phase, 4-wire + ground) Input Voltage Range 304 - 456 VAC (full performance) / 228 - 304 VAC (derated) Input Frequency 45 - 65 Hz Input Power Factor >0.99 Input THDI <3% (with internal filter) Input Connection Hardwired terminal block Output Output Voltage 380/400/415 VAC (3-phase, 4-wire + ground, adjustable) Output Voltage Regulation ±1% (Static load) Output Frequency 50/60 Hz ±0.2% (Battery mode, auto-sensing) Output Waveform Pure Sine wave Transfer Time 0 ms (Online mode) Output Connections Hardwired terminal block Crest Factor 3:1 System Efficiency (AC mode) Up to 94% (Double-conversion) / Up to 98% (ECO mode) Parallel Capability Up to 4 units in parallel for redundancy or capacity (up to 80 kVA) Topology Transformer-free with IGBT technology Redundancy N+1, N+X configurations supported Battery Battery Type External battery bank required Battery Voltage 480 VDC (typical, 40 x 12V batteries in series) Battery Management Advanced battery monitoring, temperature compensation, automatic testing Charger High-capacity internal charger for extended runtime Physical Form Factor Rack-mount / Tower convertible (5U height) Dimensions (W x D x H) 430 x 660 x 222 mm (16.9 x 26.0 x 8.7 in) Net Weight Approx. 35 kg (77 lbs) Protection Rating IP20 Environment Operating Temperature 0°C to +40°C (32°F to 104°F) Storage Temperature -25°C to +55°C (-13°F to 131°F) Operating Humidity 0% to 95% (non-condensing) Altitude Up to 1000m without derating / Derated above 1000m Cooling Forced air ventilation with variable speed fans Management & Communication Display Multi-function LCD with status indicators and control buttons Interface Ports USB, RS-232, RS-485, dry contacts Smart Slot 1 slot for optional SNMP, Modbus, or relay cards Software Vertiv Power Insight, Liebert Nform, DCIM/BMS integration Features Bypass Static bypass switch with manual maintenance bypass Generator Compatibility Yes, with adjustable frequency tracking Battery Cold Start Cold start capability from battery without utility power ECO Mode Energy-saving ECO mode for non-critical loads Remote Monitoring Optional remote monitoring via SNMP card Serviceability Front-access design for easy maintenance Certifications Compliance CE, UL, IEC, RoHS compliant Standards IEC 62040-3 (VFI-SS-111 classification), IEC 62040-2