| SPECFICATIONS | ||
| MODEL | F 500 | |
| RATED POWER | Pf. = 0.6 | 500 VA / 300 W |
| SYSTEM | Ferroresonant | linear regulated no tap change |
| INPUT | Nominal voltage (single phase) | 220 Vac |
| Voltage range | 140 - 275 Vac | |
| Frequency | 50 Hz | |
| Wave form | sine wave or step wave | |
| OUTPUT | Voltage (single phase) | 180 - 240 Vac at 300 W (resistive load) |
| Frequency | synchronize with input | |
| Wave form | sine wave | |
| PROTECTION | Overload capability | continuous; automatic current limited |
| Short circuit | automatic current limited shutdown and automatic restart | |
| Attenuation | common mode: better than 100dB normal model: better than 50dB | |
| Over voltage | surge and lightning surge | |
| INDICATOR | Normal operation | lamp switch (volt meter is optional) |
| OUTLET | Number of outlet | 3 |
| ENVIRONMENT | Temperature | 0 - 50°C |
| Housing | ||
| normal operation | 27 - 28°C (room temperature 27°C) | |
| cooling failure | 45 - 60°C (room temperature 27°C) | |
| Humidity | 0 - 98% (non-condensing) | |
| DIMENSION | W x H x D (cm.) | 14 x 17 x 34.5 |
| WEIGHT | Approximate in kg. | 13 |