This is a high density double-conversion online UPS with a output power factor 0.9. It’s designed in small cabinet with TI DSP controller. ST Series also have a RS-232 communication ports as standard, with a built-in intelligent slot for additional adapters, protocol converters and relate contact cards.
| Model | ST11 1K | ST11 1KS | ST11 2K | ST11 2KS | ST11 3K | ST11 3KS |
| CAPACITY | 1000 VA/800 W | 2000 VA/1600 W | 3000 VA/2400 W | |||
| Input | ||||||
| Phase | Single phase with ground | |||||
| Voltage Range | 145~ 275VAC/110~300VAC | |||||
| Frequency Range | 40 Hz ~ 70 Hz; 50/60Hz Autoadaptation | |||||
| Power Factor | ≥0.99 | |||||
| Output | ||||||
| Voltage Range | 220*(1±1%)VAC | |||||
| Frequency Range | Main Mode: (47 ~ 52.8Hz) 50Hz Battery Mode: 50 Hz ± 0.2 Hz or 60 Hz ± 0.3 Hz | |||||
| Current Crest Ratio | “3:1 | |||||
| Power Factor | 0.8 | |||||
| Output Waveform | Pure Sine Wave | |||||
| Outlet | IEC*4 | IEC*4 | IEC*3+Terminal | |||
| Transfer Time | ||||||
| AC to DC | Zero | |||||
| Inverter to Bypass | <4 ms (Typical) | |||||
| Indicator | ||||||
| LED Panel | Load/ Battery Capacity/ Main Mode/ Bypass Mode/ Fault | |||||
| LCD Panel | Load/ Battery/ Input/ Output/Operation Mode | |||||
| Environment | ||||||
| Operating Environment | 0- 40°C | |||||
| Humidity | 20-90 % (non-condensing) | |||||
| Noise Level | < 60dB @ 1 Meter | |||||
| Temperature | -25°C – 55°C(no battery) | |||||
| Other | ||||||
| Protection | Load<110%, Keeping working; 110%1min; 130% Immediately | |||||
| Efficiency | Up to 90% | |||||
| Battery Inbuilt | 2pcs*12V/7.2AH | 6pcs*12V/7.2AH | ||||
| Battery DC Voltage | DC24V/36V | DC72V/96V | ||||
| Physical | ||||||
| Dimension D*W*H(mm) | 400 X145 X 220 | 460 X 192 X 348 | 460 X 192 X 348 | |||
| Net Weight(kgs) | 10.75 | 7.5 | 27.5 | 15 | 28.5 | 16 |
| Management | ||||||
| Smart RS-232/USB | Supports Windows®98/2000/2003/XP/Vista/2008,Windows®7,Linux,and MAC | |||||
| Optional SNMP | Power management from SNMP manager and web browser | |||||
