MIII Series
A compact, high-density online UPS with full digital control and 0.9 output power factor, built for workstations, billing counters and small offices.

- Rated Capacity
- 1000–3000 VA
- Output Power Factor
- 0.9
- Efficiency
- Up to 91%
- Transfer Time
- 0 ms
- Input Power Factor
- ≥ 0.99
- Input Window
- 110–300 VAC
Key Features
- Full Digital Double ConversionClean, regulated power with no break to battery.
- 0.9 Output Power FactorMore usable watts from every kVA.
- Wide Input WindowRuns on 110–300 VAC, saving battery life.
- Active PFC InputInput power factor of 0.99 or better.
- Selectable Output Voltage208, 220, 230 or 240 VAC.
- Smart ChargerUp to 12 A on long-run units for bigger battery banks.
- ECO Mode and EPOEnergy-saving mode and emergency power off.
- Generator CompatibleCold start and intelligent fan-speed control.
Specifications
| Specification | 1 kVAMP 1K | 2 kVAMP 2K | 3 kVAMP 3K |
|---|---|---|---|
| Input | |||
| Rated Capacity | 1000 VA / 900 W | 2000 VA / 1800 W | 3000 VA / 2700 W |
| Nominal Voltage | 208 / 220 / 230 / 240 VAC | ||
| Input Voltage Range | 110–300 VAC · 176–264 VAC at 100% load | ||
| Frequency Range | 40–70 Hz, 50 / 60 Hz auto-sensing | ||
| Input Power Factor | ≥ 0.99 | ||
| Output | |||
| Output Voltage | 208 / 220 / 230 / 240 VAC ± 1% | ||
| Output Power Factor | 0.9 | ||
| Frequency, Line Mode | 46–54 Hz or 56–64 Hz | ||
| Frequency, Battery Mode | 50 / 60 Hz ± 0.1% | ||
| Waveform | Pure sine wave · THD ≤ 3% linear, ≤ 5% non-linear | ||
| Crest Factor | 3 : 1 | ||
| Transfer Time | 0 ms to battery · 4 ms to bypass (typical) | ||
| Efficiency | |||
| AC Mode | 88% | 90% | 91% |
| Battery Mode | 85% | 87% | 88% |
| Battery | |||
| Battery Type | 12 V 9 Ah (7 Ah optional) | ||
| Charging Voltage | 27.4 / 41.1 VDC | 54.8 / 82.2 VDC | 82.2 / 109.6 VDC |
| Charging Current | 1 A standard · 6 A / 12 A on long-run units | ||
| Recharge Time | 4 hours to 90% | ||
| General | |||
| Display | LCD with input / output, load %, battery voltage, temperature and backup time | ||
| Communication | RS232 · USB, EPO, relay card and SNMP card optional | ||
| Operating Temperature | 0–40 °C | ||
| Humidity | 20–95% RH, non-condensing | ||
| Noise | < 50 dB at 1 m | ||
| Safety Standards | IEC / EN 62040-1, IEC / EN 62477-1 | ||
* Available as a standard unit with internal batteries or a long-run unit for external battery banks. Derate to 80% at 208 VAC output. Specifications may change as products are improved.
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