Product Description Model C6K C6KS C10K C10KS rated capacity 6kVA 10kVA input voltage (176-276) VAC Frequency (46.5-55) Hz Output voltage 220 (1 ± 3%) VAC mains frequency modes: synchronous with the input battery mode: 50 (1 ± 0.5%) hz sine wave output waveform backup time at full load / half load 8 '/ 24' ---- 11 '/ 28' ---- Battery Type Sealed free water ---- sealed water-free --- - External battery nominal voltage ---- 192VDC ---- 192VDC conversion time zero interruption overload capacity 105% ~ 130% 10min, 130% more than 1min after the switch to bypass communication interface RS-232 + Intelligent Slot Operating Environment Temperature 0 ℃ ~ 40 ℃ Humidity 20% ~ 90% Dimensions (W × D × H) (mm × mm × mm) 260 × 570 × 710 340 × 640 × 980 Weight (Net) kg 84 37 163 75 Model 3C10KS 3C15KS 3C20KS rated capacity 10KVA 15KVA 20KVA input voltage (304 ~ 478) VAC frequency (46.5 ~ 55) Hz Output voltage 220 (1 ± 3%) VAC Frequency synchronization with the input mains mode [] 50 (1 ± 0.5%) Hz] [battery mode output Sine wave external battery, nominal voltage 240VDC conversion time zero interruption overload capacity 105% ~ 130% 10min, 130% more than 1min Communication Interface RS-232 + Intelligent Slot Operating Environment Temperature 0 ℃ ~ 40 ℃ Humidity 20% ~ 90% Appearance Dimensions (W × D × H) (mm × mm × mm) 340 × 640 × 980 380 × 640 × 980 Weight (Net) kg 75 102