Technical specifications
| Input voltage. | 380/400/415 VAC |
| Input frequency | 50/60 Hz |
| UPS operating temperatures | 0°C ÷ 40°C |
| Power (kVA) | 20 |
| Model | ZMZ 20K |
| Power | 20 kW / 20 kVA |
| Number of input : output phases | 3:3 |
Entry
| Voltage (V) | 380 / 400 / 415 VAC |
| Tension beach | 172÷287 Vac (L-N) / 300÷500 Vac (L-L) @ 100% sarc. 92÷287 Vac (L-N) / 160÷500 Vac (L-L) @ sarc. linear |
| Frequency (Hz) | 50/60 Hz |
| Frequency range | 20% ÷ +20% |
| THDi | <3% |
| Input power factor. | ≥0,99 |
Exit
| Voltage (V) | 380 / 400 /415 VAC |
| Factor de putere | 1,0 |
| Static/dynamic voltage regulation | ±1% / ±2% |
| Frequency (Hz) | 50/60 Hz ±0,05 Hz |
| Overload capacity | 105% – cont.; 115% – 60 min., 130% – 10 min., 150% – 60 sek., >151% – 0,2 sek. |
| Efficiency in On-line mode | >96% |
| Eco mode yield | 99% |
| Creast factor | 3:1 |
Batteries
| Model | Maintenance free, VRLA sealed |
| Internal batteries | 2 x 36 x 9 Ah |
| No. of batteries in string | Configurable: 30 ÷ 40 psc |
| Maximum charging current | 10A |
| Loading time | 3-8 hours at up to 90% capacity (configurable) |
Bypass
| Automatic bypass | Bypass switch, uninterruptible switching |
| Manual mechanical bypass | Standard |
Weight and dimensions
| UPS dimensions and weight (L x W x H) | 321 x 840 x 1428 mm / 180 kg |
Communications
| Operating mode indicators | 4.3″ afisaj touch, LED indicators, sound alarms |
| Communications | 3 x Smart Slot for additional communication cards, 2 x REPO (NO/NC), 3 x Free contacts, RS485, Modbus. |
Ambient
| Noise level | <60 dB |
| Operating temperature for UPS | 0°C ÷ 40°C |
| Recommended operating temperature for UPS | 15°C ÷ 25°C |
| Storage temperature | -20°C ÷ 55°C |
| Humidity | 0 ÷ 95% (non-condensing) |
Certification test
| Resistance to interference | EN 62040-2:2005, EN 62040-2:2006 |
| Safety | IEC62040-1-1, EC |
Options
| Card SNMP |
| RS 232 |
| Bypass neintreruptibil extern |
| Additional plate with free contacts |
| Batteries in racks or modules |
| Battery voltage compensation sensor |
| Remote signalling panel |
