| Model | RM1KL | RM1KSL | RM2KL | RM2KSL | RM3KL | RM3KSL | RM4KL | RM4KSL | RM6KL | RM6KSL |
| Power | 1kVA/800W | 2kVA/1600W | 3kVA/2400W | 4KVA/2800W | 6kVA/4200W |
| 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) |
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| Output |
| Output system | Single phase & earth ground |
| Rated voltage | 220/230/240VAC |
| Power factor | 0.8 |
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| 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 to Battery mode） |
| 0ms（Normal mode to Bypass mode） |
| Crest factor | 3:1 |
| Battery |
| Batteries voltage | 24VDC | 24VDC | 48/72VDC |
| 96VDC | 120VDC | 144VDC |
| Battery capacity×Quantity | 7/9AH 12V×2 | 12VDC*2 | 7/9AH 12V×4/6 | 12VDC×4/6 | 7/9AH 12V×8 | 12VDC×8 | 7/9AH 12V×10 | 12VDC*10 | 7/9AH 12V×12 | 12VDC×12 |
| Charge current | 2A for Internal batteries; 6A max. (Adjustable) |
| Backup Time | Dependent on the capacity of batteries |
| Battery charge time | Charger to 90% battery capacity in 3 hours（Standard） |
| Dependent on the capacity of external batteries（Long backup time） |
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| Communicate & Interface |
| Interface port(s) |
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| 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 | <52dB@1Meter | <56dB@1Meter |
| Operating temp. | 0-1,500m @ 0-40°C / 1,501-3,000m @ 0-35 °C |
| Storage temp. | -20°C ~ 55°C |
| Relative humidity | 0 ~ 95% humidity, non-condensing |
| Operating elevation | 3,000 meters |
| Physical |
| Installation | Rack & Tower (2-in-1) |
| Dimension D | 454 | 454 | 650 | 454 | 650 | 454 | 650 | 454 | 650 | 454 |
| W | 440 | 440 | 440 | 440 | 440 | 440 | 440 | 440 | 440 | 440 |
| H | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 132 | 132 |