| Model | S1KL | S1KSL | S2KL | S2KSL | S3KL | S3KSL |
| Power | 1kVA/800W | 2kVA/1600W | 3kVA/2400W |
| Input | Input system | Single phase & earth ground |
| Rated voltage | 230VAC |
| Voltage range | 138V to 300V (0~60% load);138~161V to 300V (60%~80% load);161~184V to 300~286V (80%~100% load) |
| Frequency | 50/60 Hz +/- 5 Hz (Auto sensing) |
| Power factor | >0.98 @ full load |
| Voltage range of bypass | 230VAC±10%(adjustable) |
| Output | Output system | Single phase & earth ground |
| Rated voltage | 220/230/240VAC |
| Power factor | 0.8 |
| Voltage precision | ±1% |
| Normal mode | 45～55(adjustable) |
| Battery mode | 50±0.1Hz |
| Inverter overload Capacity | Line Mode:
Over 110% for 2mins,then transfer to bypass and alarm.
Over 150% for 1s, then transfer to bypass and turn off output after 1min and alarm
Battery Mode:
Over 110% for 30s,then turn off output and alarm.
Over 120% for 1s, then turn off output and alarm. |
| Transfer time | 0ms （Normal mode≒Battery mode）
0ms（Normal mode≒Bypass mode） |
| Crest factor | 3:1 |
| Battey | Batteries voltage | 24VDC | 72VDC | 96VDC |
| Battery capacity×Quantity | 12VDC×2 | 12VDC×6 | 12VDC×8 |
| Charge current | 2A for Internal batteries; 6A max. (Adjustable) |
Backup Time | Dependent on the capacity of batteries(Long backup time) |
| Battery charge time | Charger to 90% battery capacity in 3 hours（Standard）
Dependent on the capacity of external batteries（Long backup time） |
| Communicate & Interface | Interface port(s) | RS232+Dry contact (DB9)+USB(Optional) |
Optional cards | SNMP Adaptor |
LCD display | Information for Load / Battery / Input / Output and Operating Mode |
Audible alarm | Actively audible alarm for utility failed/ battery low /overload condition |
Silence switch | Yes |
EPO | Yes |
| Environmental | Noise level | <45dB@1Meter | <50dB@1Meter |
Noise level | 0-1,500m @ 0-40°C / 1,501-3,000m @ 0-35 °C |
Storage temp. | -20°C ~ 55°C |
| 0 ~ 95% humidity, non-condensing |
Operating elevation | 3,000 meters |
| Physical | Installation | Rack & Tower (2-in-1) |
Dimension (DxWxH) | 395x110x260mm(for UPS); 425x110x260(for Battery pack) |
Net weight (kg) | 12 | 6.5 | 25 | 7 | 30 | 7.5 |