|  VOK 2E 200* Maximum capacity - 860 m3/h. |  VOK 2E 250* Maximum capacity - 1050 m3/h. |  VOK 2E 300 Maximum capacity - 2230 m3/h. |  VOK 4E 250* Maximum capacity - 800 m3/h. |  VOK 4E 300* Maximum capacity - 1340 m3/h. |
| Phase, [˜] | 1 | 1 | 1 | 1 | 1 |
| Voltage, [V] | 230 | 230 | 230 | 230 | 230 |
| Frequency , [Hz] | 50 | 50 | 50 | 50 | 50 |
| Current, [A] | 0.26 | 0.4 | 0.66 | 0.22 | 0.35 |
| Pressure, [Pa] |
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| Power consumption, [W] | 55 | 80 | 145 | 50 | 75 |
| Maximum air capacity , [m³/h] | 860 | 1050 | 2230 | 800 | 1340 |
| RPM, [min -1] | 2300 | 2400 | 2300 | 1380 | 1350 |
| Noise level at 3 m, [[dBA]] | 50 | 60 | 60 | 55 | 58 |
| Maximum transported air temperature, [оC] | -30 +60 | -30 +60 | -30 +60 | -30 +60 | -30 +60 |
| Protection rating, [class] | IP 54 | IP 54 | IP 54 | IP 54 | IP 54 |
| Weight, [kg] | 4.5 | 7 | 10.5 | 7 | 10.5 |
| Spigot size, [mm] | 200 | 250 | 300 | 250 | 300 |
| Number of poles | 2 | 2 | 2 | 4 | 4 |
|  VOK 4E 350 Maximum capacity - 2500 m3/h. |
| Phase, [˜] | 1 |
| Voltage, [V] | 230 |
| Frequency , [Hz] | 50 |
| Current, [A] | 0.65 |
| Pressure, [Pa] |
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| Power consumption, [W] | 140 |
| Maximum air capacity , [m³/h] | 2500 |
| RPM, [min -1] | 1380 |
| Noise level at 3 m, [[dBA]] | 62 |
| Maximum transported air temperature, [оC] | -30 +60 |
| Protection rating, [class] | IP 54 |
| Weight, [kg] | 12 |
| Spigot size, [mm] | 350 |
| Number of poles | 4 |