http://www.tuncmatik.com/ru/product/overview/hi-tech-ultra-30-kva.html Input Phase 3 phase 4 wire and ground Nominal voltage 380/400/415 VAC Voltaj range 208~478 VAC Frequency range 45-55Hz de 50Hz/54-66Hz at 60Hz (auto sensing) Current THDi ≤3% (100% nonlinear load) Bypass voltage range Max. voltage Power factor ≥0.99 Output Phase 3 phase 4 wire and ground Nominal voltage 380/400/415 VAC, Power factor 0.9 Voltage regulation ± 1% Frequency Normal mode ± 1%, ± 2%, ± 4%, ± 5%, ± 10% of the rated frequency (optional) Frequency Battery mode (50/60±0.2%) Hz Crest factor 3/1 THD ≤2% with linear load, ≤5% with non linear load Efficieny 93% Battery Voltage Standart unit.±120Vdc (3x20 ad. 12V7Ah) Long run unit optional voltage. ±96V/±108V/±120Vdc (16/18/20pcs optional) Charge current (A) (charge current can be set according to battery capacity installed Standard unit. 4.5A Long run unit. Max. current 10A Transfer time Utility to battery. 0ms; Utility to bypass. 0ms Protection Overload AC mode Loads ≤110%. last 60min, ≤125%. last 10min, ≤150%. last 1min, >150% change to bypass immediately Overload Battery mode Loads ≤110%. last 10min, ≤125%. last 1min, ≤150%. >150% shut down UPS immediately Overload Bypass mode Breaker 63A Short circuit 164 peak Over temperature Line mode Switch to bypass, Backup mode Battery low Alarm and switch off Self-diagnostic Upon power on and software control EPO (optional) Shut down UPS immediately Battery Advanced battery management Noise suppression Complies with EN62040-2 Indicators & Alarm Status LED & LCD Line mode, Bypass mode, Battery low, Battery bad, Overload & UPS fault LCD panel Input voltage, Input frequency, Output voltage, Output frequency, Load percentage, Battery voltage & Inner temperature Audible & Visual Line failure, Battery low, Overload, System fault Management Operating systems Windows® 98/2000/2003/XP/Vista/2008, Windows¨ 7/8, Linux, MAC Interface RS 485, USB, Paralel (Optional), Dry contact, Intelligent slot, SNMP adapter (Optional), Relay card (Optional) Dimensions & Weight D x G x Y (mm) 828 x 250 x 868 Weight(kg) 223/71