Features: 1) Multiple CPU intelligent controls 2) Advance IGBT inverted technology 3) Advance control design structure 4) Intelligent by-pass switch 5) Personal display interface 6) Battery switch-on function 7) Advance phase-balanced technology 8) Sole parallel redundant structure Specifications: 1) Mode: SP6K-60K (three in and single out) 2) Capacity (kW): 6-60kVA 3) Input voltage: three phases with four lines + ground wire, 380V?5% 4) Battery DC voltage: a) 6-20kVA: 192V b) 30-60kVA: 336V 5) Noise: a) 6-20kVA: ≤60dB, 1m distance b) 30-60kVA: ≤65dB, 1m distance 6) Dimensions (W x D x H): a) 6-20kVA: 620 x 343 x 995mm b) 30-60kVA: 650 x 700 x 1,510mm 7) Weight (excluding battery): a) 6kVA: 130kg b) 10kVA: 165kg c) 15kVA: 190kg d) 20kVA: 210kg e) 30kVA: 400kg f) 40kVA: 450kg g) 50kVA: 530kg h) 60kVA: 620kg 8) Input frequency: 50Hz/60Hz?0% 9) Input power actor: ≥95% 10) Output voltage: 220V?.5% 11) Output voltage regulation: stable voltage ?%, dynamic voltage ?% (0-100% load fluctuation 20ms) 12) Output frequency stableness: 50Hz/60Hz?.05% 13) Output frequency torsion rate: less than 1Hz/sec 14) Output instant load status: ?.4% (100% instant load fluctuation) 15) Output harmonic distortion: for linear load, less than 3% (full load), total rectifying harmonics is lass than 5% 16) Output overload capacitance: 150% 17) Output wave form: sine wave 18) Efficiency: above 95% 19) Transfer time: 0 second 20) Battery charging time: if it is fully charged, it can be filled to 90% of the total capacity after it is charged for 8 hours. 21) Temperature: -10-50? 22) Relative humidity: 10-90% (no condensation) 23) Operation condition: lower than 1,500 meters above sea level (altitude)