Backup power switch (Automatic backup switching device)
PRP-1 is an automatic switching device of 220 (230) V/ 50 Hz for 19-inch equipment racks. Intended to organize guaranteed power supply to single-phase AC receivers by connecting 220 (230) V/50 Hz to two input AC sources.
| Number of inputs, pcs | 3 |
| Nominal input voltage, V | 220 (230) |
| Extreme range of input voltage, V | 175 - 390 |
| Nominal output current, A | 16 |
| Nominal output capacity, VA / W | 3500 / 3500 |
| Switching time, ms | 4 - 6 |
| Overall dimensions (HxWxD), mm | 44(1U)х483х245 |
| Mass, kg | 4,5 |










