BUILT-IN ISOLATED TRANSFORMER INPUT - Nominal Voltage : 3 x 380VAC/400VAC (3Ph + N) - Acceptable Voltage Range : 285VAC ~ 475VAC - Frequency : 50/60 Hz ± 10% INVERTER - Nominal Voltage : 3 x 380VAC/400VAC (3Ph + N) - Precison : Stationary : ± 1% Transitory : ± 5% (load variations 100-0-100%) - Frequency : 50/60 Hz synchronised ± 1% With mains absent ±0.1 Hz - Max. Synchronization Speed : ±1 Hz/s - Waveform : Pure Sinewave - Total Harmonic Distortion (THDv) : <2% (Linear Load) ; <5% (Non-Linear Load) - Phase Displacement : 120° ±1% (balanced load) ; <5% (Non Linear Load) - Dynamic Recovery Time : 3 cycles at 90% of the static value - Admissible Overload : 110% for 10 min ; 150% for 60 sec ; > 160% for 200ms - Admissible Crest Factor : 3 : 1 - Admissible Power Factor : 0.6 ~ 1 (inductive or capacitive) - Imblance Output Voltage @100% Unbalanced Load : <1% STATIC BYPASS - Type : Solid State - Voltage : 3 x 380VAC/400VAC (3Ph + N) - Frequency : 50/60Hz - Activation Criterion : Microprocessor control - Transfer Time : Zero - Admissible Overload : 150% for 1 hour ; 180% for 30 sec ; >200% for 200ms - Transfer to Bypass : Immediate, for overloads above 160% - Retransfer : Automatic after alarm clear