Specifications for 20 kVA 3:1 220 VDC UPS
| Input | 6 pulses | 12 pulses | |||||
| Voltage (V) | 380 V | 400 V | 415 V | 380 V | 400 V | 415 V | |
| Connections | L1, L2, L3, PE* | ||||||
| Input voltage range (V) | 304-456 | ||||||
| Frequency (Hz) | 45-55 | ||||||
| Nominal input current (A) | 40 | 38 | 37 | 41 | 39 | 37 | |
| Maximum input current (A) | 50 | 48 | 46 | 51 | 48 | 46 | |
| Input current limitation (A) | 60 | ||||||
| Total harmonic distortion (THDI) | 6 pulses ≤ 15% (with filter) 6 pulses ≤ 30% (without filter) |
12 pulses
≤ 10% (with filter) 12 pulses ≤ 10% (without filter) |
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| Input power factor | ≥ 0.9 (with filter) ≥ 0.75 (without filter) |
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| Maximum short circuit rating | Icc=10 kA | ||||||
| Protection | Breaker | ||||||
| Ramp-in | 15 seconds | ||||||
| Bypass | Voltage (V) | 220 V | 230 V | 240 V | 220 V | 230 V | 240 V |
| Connections | L, N, PE | ||||||
| Overload capacity | 110% continuous; 125% for 10 minutes; 150% for 1 minute | ||||||
| Bypass voltage range (V) | 165-275 | ||||||
| Frequency (Hz) | 50 | ||||||
| Nominal bypass current (A) | 91 | 87 | 83 | 91 | 87 | 83 | |
| Nominal neutral current (A) | 91 | 87 | 83 | 91 | 87 | 83 | |
| Maximum short circuit rating | Icc=10 kA | ||||||
| Output | Voltage (V) | 220 V | 230 V | 240 V | 220 V | 230 V | 240 V |
| Connections | L, N, PE | ||||||
| Overload capacity | 110% continuous; 125% for 10 minutes; 150% for 1 minute | ||||||
| Output voltage regulation | ± 1% | ||||||
| Dynamic load response | 20 milliseconds | ||||||
| Output power factor | 0.8 | ||||||
| Nominal output current (A) | 91 | 87 | 83 | 91 | 87 | 83 | |
| Total harmonic distortion (THDU) | <2% at 100% linear load; <4% at 100% non-linear load | ||||||
| Output frequency (Hz) | 50 ± 1% | ||||||
| Output short-circuit current at 60 ms (A) | 272 | ||||||
| Output performance classification (according to IEC/ EN62040-3) | VFI-SS-111 | ||||||
| Battery | Battery blocks supported | 16-20 | |||||
| Charging current | The charging current is determined by the battery capacity. Default is 0.1 C. | ||||||
| Maximum charging power (kW) | 10.8 | ||||||
| Nominal battery voltage (VDC) | 192-240 | ||||||
| Nominal float voltage (VDC) | 216-270 | ||||||
| End of discharge voltage (full load) (VDC) | 153.6-192 | ||||||
| Battery current at full load and nominal battery voltage (A) | 80 | ||||||
| Battery current at full load and minimum battery voltage (A) | 112 | ||||||
| Temperature compensation (per cell) | -3.3 mV per °C for T ≥ 25 °C, 0 mV per °C for T < 25 °C | ||||||