Reliable
- Effective air cooling
- Dry and contact-free operation
- Protection against overheating

ZRV SERIES · TWO-STAGE · THREE-PHASE
A high-capacity two-stage blower pairing 520 / 620 m³/h airflow with strong vacuum and pressure performance for three-phase systems.
The published values below are taken from the English datasheet. Final selection should consider the required operating point, line losses and duty cycle.
| Technical specification | 50 Hz | 60 Hz |
|---|---|---|
| Motor power | 7.5 kW | 8.6 kW |
| Voltage | 345-415 Δ / 600-690Y | 380-480 Δ / 660-720Y |
| Current | 16.7 Δ / 9.6Y A | 17.3 Δ / 10Y A |
| Airflow | 520 m³/h | 620 m³/h |
| Vacuum | -400 mbar | -360 mbar |
| Pressure | 400 mbar | 330 mbar |
| Sound pressure level | 74 dB(A) | 78 dB(A) |
| Weight | 83 kg | 83 kg |