APC Smart-UPS RC 1000VA 230V SRC1KI. Max Configurable Power (Watts) 800 Watts / 1.0kVA. Output Voltage Note Configurable for 220 : 230 or 240 nominal output voltage. Output Frequency (sync to mains) 50/60 Hz +/- 1 Hz Unsynchronised, 50/60 Hz +/- 3 Hz Sync to mains