| Parameter | 320VA | 520VA | 720VA | 1000VA |
| Input / voltage (nominal) | 200/230 (120) VAC | 200/230 (120) VAC | 200/230 (120) VAC | 200/230 (120) VAC |
| Input / voltage range | 155-255 (80-135) VAC | 155-255 (80-135) VAC | 155-255 (80-135) VAC | 155-255 (80-135) VAC |
| Input / frequency | 50 (60)Hz+/-3Hz | 50 (60)Hz+/-3Hz | 50 (60)Hz+/-3Hz | 50 (60)Hz+/-3Hz |
| Input / protection | Fuse, surge protector (4500A, 71 joules) | Fuse, surge protector (4500A, 71 joules) | Fuse, surge protector (4500A, 71 joules) | Fuse, surge protector (4500A, 71 joules) |
| Input / lightning protection | Per IEEE 587 | Per IEEE 587 | Per IEEE 587 | Per IEEE 587 |
| Output / power | 320VA/200W | 520VA/300W | 720VA/400W | 1000VA/600W |
| Output / frequency | Normal operation: mains synchronized; battery operation: 50 (60)Hz+/-0.3Hz; regulated stepped wave optimized for computers | Normal operation: mains synchronized; battery operation: 50 (60)Hz+/-0.3Hz; regulated stepped wave optimized for computers | Normal operation: mains synchronized; battery operation: 50 (60)Hz+/-0.3Hz; regulated stepped wave optimized for computers | Normal operation: mains synchronized; battery operation: 50 (60)Hz+/-0.3Hz; regulated stepped wave optimized for computers |
| Output / transfer time | Typical 3.0mS | Typical 3.0mS | Typical 3.0mS | Typical 3.0mS |
| Output / Overload | Pulse by pulse current limiting, audible alarm | Pulse by pulse current limiting, audible alarm | Pulse by pulse current limiting, audible alarm | Pulse by pulse current limiting, audible alarm |
| Output / short protection | Yes | Yes | Yes | Yes |
| Output / efficiency from line | 99% | 99% | 99% | 99% |
| General / ambient | -10/40 Celsius (operation) | -10/40 Celsius (operation) | -10/40 Celsius (operation) | -10/40 Celsius (operation) |
| General / temperature | -10/70 Celsius (storage) | -10/70 Celsius (storage) | -10/70 Celsius (storage) | -10/70 Celsius (storage) |
| General / communication port | Isolated open-collector type contacts: battery operation, low battery; external shutdown (for computer automatic shutdown) | Isolated open-collector type contacts: battery operation, low battery; external shutdown (for computer automatic shutdown) | Isolated open-collector type contacts: battery operation, low battery; external shutdown (for computer automatic shutdown) | Isolated open-collector type contacts: battery operation, low battery; external shutdown (for computer automatic shutdown) |
| General / Battery | 12V/4AH | 12V/5AH | 2 x 12V/4AH | 3 x 12V/4AH |
| General / indications | Audible alarm and two LED's: line OK, battery operation, line failure, low battery, overload | Audible alarm and two LED's: line OK, battery operation, line failure, low battery, overload | Audible alarm and two LED's: line OK, battery operation, line failure, low battery, overload | Audible alarm and two LED's: line OK, battery operation, line failure, low battery, overload |
| General / charging time | 4hrs. to 90% | 6hrs. to 90% | 4hrs. to 90% | 4hrs. to 90% |
| General / back up time | 6 min. (full load)/10 min. (half load) | 6 min. (full load)/10 min. (half load) | 6 min. (full load)/10 min. (half load) | 6 min. (full load)/10 min. (half load) |
| General / dimensions (cm) H x W x L | 13.5 x 11.5 x 23.5 | 13.5 x 11.5 x 23.5 | 18.5 x 11.5 x 34.5 | 18.5 x 11.5 x 34.5 |
| General / weight (kg) (including battery) | 4.7 | 5.2 | 9.2 | 11 |
| General / EMC immunity | Per IEC 801-2-3-4 | Per IEC 801-2-3-4 | Per IEC 801-2-3-4 | Per IEC 801-2-3-4 |
| General / EMC radiation | Per EN 55022-B | Per EN 55022-B | Per EN 55022-B | Per EN 55022-B |
