| Technology | Online Dubble Coversion | 
| Va/Watt | 20000/18000 | 
| Input Voltage | 228-478 | 
| Output Voltage | 230Vac ?1% | 
| Input frequency | 40-70Hz | 
| Output frequency | 50Hz?0.25% | 
| Power factor | 0.9 | 
| Ware Form | Pure sine ware | 
| Internal Batt | No | 
| Warranty | 2 yrs. Onsite by Emerson | 
| Technology | Online Dubble Coversion | 
| Va/Watt | 20000/18000 | 
| Input Voltage | 228-478 | 
| Output Voltage | 230Vac ?1% | 
| Input frequency | 40-70Hz | 
| Output frequency | 50Hz?0.25% | 
| Power factor | 0.9 | 
| Ware Form | Pure sine ware | 
| Internal Batt | No | 
| Warranty | 2 yrs. Onsite by Emerson |