| ITEM | MODEL | C1KR/C1KRS | C2KR/C2KRS | C3KR/C3KRS | C6KR/C6KRS | C10KR/C10KRS | 
| Capacity | VA/W | 1kVA / 0.7kW | 2kVA / 1.4kW | 3kVA / 2.1kW | 6kVA / 4.2kW | 10kVA / 7kW | 
| Input | Nominal Voltage | 220 or 110VAC | 220VAC | 
| Voltage Range | 115 ~ 300VAC | 176 ~ 276VAC | 
| Frequency Range | 50 or 60 �� 10HZ | 46 ~ 54Hz | 
| Power Factor | 0.97 | 0.98 | 
| Output | Voltage | 220 or 110VAC �� 2% | 220VAC �� 1% | 
| 50 or 60 �� 0.2Hz ( Battery mode) | 50Hz �� 0.05Hz ( Battery mode) | 
| Waveform | Pure sine wave | 
| Overload Capability | 108%~150% for 30 sec., 150% for 300 ms | 105%~130% for 10 min., 130% for 1 min | 
| Current Crest Ratio | 3:01 | 
| Bypass | Automatic Transfer | on overload and UPS failure | 
| Before UPS Power-on | Default ��NO��, user adjustable to ��YES�� | Yes | 
| Transfer Time | 0 ms; less than 4 ms from inverter to bypass and vice versa | Zero | 
| LED indicators | Status | Load level / Battery level, Battery , Utility Power, Inverter, Bypass, | 
| Audible Alarm | Bypass, On battery mode, Battery low, Overload, Fault | 
| Communications | RS-232 Serial Interface | 
| Intelligent Slot; | 
| OPTIONS: (WEBPOWER SNMP/WEB card, AS400 card or WinPower CMC) | 
| Network Surge Protection | RJ45 I/O port available for network or Fax/Modem | 
| REMARK | C*KR is standard type. C*KRS are longer time type |