|  NK 400х200-4,5-3 U Heater power - 4,5 kW. |  NK 400x200-6,0-3 U Heater power - 6,0 kW. |  NK 400x200-7,5-3 U Heater power - 7,5 kW. |  NK 400x200-9,0-3 U Heater power - 9,0 kW. |  NK 400x200-10,5-3 U Heater power - 10,5 kW. |
| Minimum air capacity, [m³/h] | 330 | 440 | 550 | 660 | 770 |
| Current, [A] | 6.5 | 8.7 | 10.9 | 13 | 15.2 |
| Voltage, [V/50Hz] | 400 | 400 | 400 | 400 | 400 |
| Power, [W] | 4500 | 6000 | 7500 | 9000 | 10500 |
| Number of heating coils x capacity, [kW] | 3 х 1,5 | 3 х 2,0 | 3 х 2,5 | 3 х 3,0 | 3 х 3,5 |
| Weight, [kg] | 18.24 | 18.24 | 18.24 | 18.52 | 18.52 |
| Air duct diameter, [mm] | 400х200 | 400х200 | 400х200 | 400х200 | 400х200 |
| Phase, [˜] | 3 | 3 | 3 | 3 | 3 |
|  NK 400x200-12,0-3 U Heater power - 12,0 kW. |  NK 400x200-15,0-3 U Heater power - 15,0 kW. |  NK 500x250-6,0-3 U Heater power - 6,0 kW. |  NK 500x250-7,5-3 U Heater power - 7,5 kW. |  NK 500x250-9,0-3 U Heater power - 9,0 kW. |
| Minimum air capacity, [m³/h] | 880 | 1100 | 440 | 550 | 660 |
| Current, [A] | 17.4 | 21.7 | 8.7 | 10.9 | 13 |
| Voltage, [V/50Hz] | 400 | 400 | 400 | 400 | 400 |
| Power, [W] | 12000 | 15000 | 6000 | 7500 | 9000 |
| Number of heating coils x capacity, [kW] | 3 х 4,0 | 3 х 5,0 | 3 х 2,0 | 3 х 2,5 | 3 х 3,0 |
| Weight, [kg] | 18.52 | 18.52 | 22.4 | 22.4 | 23 |
| Air duct diameter, [mm] | 400х200 | 400х200 | 500х250 | 500х250 | 500х250 |
| Phase, [˜] | 3 | 3 | 3 | 3 | 3 |
|  NK 500x250-10,5-3 U Heater power - 10,5 kW. |  NK 500x250-12,0-3 U Heater power - 12,0 kW. |  NK 500x250-15,0-3 U Heater power - 15,0 kW. |  NK 500x250-18,0-3 U Heater power - 18,0 kW. |  NK 500x250-21,0-3 U Heater power - 21,0 kW. |
| Minimum air capacity, [m³/h] | 770 | 880 | 1100 | 1320 | 1540 |
| Current, [A] | 15.2 | 17.4 | 21.7 | 26 | 30 |
| Voltage, [V/50Hz] | 400 | 400 | 400 | 400 | 400 |
| Power, [W] | 10500 | 12 | 15000 | 18000 | 21000 |
| Number of heating coils x capacity, [kW] | 3 х 3,5 | 3 х 4,0 | 3 х 5,0 | 3 х 6,0 | 3 х 7,0 |
| Weight, [kg] | 23 | 23 | 23.1 | 23.1 | 23.1 |
| Air duct diameter, [mm] | 500х250 | 500х250 | 500х250 | 500х250 | 500х250 |
| Phase, [˜] | 3 | 3 | 3 | 3 | 3 |
|  NK 500x300-6,0-3 U Heater power - 6,0 kW. |  NK 500x300-7,5-3 U Heater power - 7,5 kW. |  NK 500x300-9,0-3 U Heater power - 9,0 kW. |  NK 500x300-10,5-3 U Heater power - 10,5 kW. |  NK 500x300-12,0-3 U Heater power - 12,0 kW. |
| Minimum air capacity, [m³/h] | 440 | 550 | 660 | 770 | 880 |
| Current, [A] | 8.7 | 10.9 | 13 | 15.2 | 17.4 |
| Voltage, [V/50Hz] | 400 | 400 | 400 | 400 | 400 |
| Power, [W] | 6000 | 7500 | 9000 | 10500 | 12000 |
| Number of heating coils x capacity, [kW] | 3 х 2,0 | 3 x 2,5 | 3 x 3,0 | 3 х 3,5 | 3 х 4,0 |
| Weight, [kg] | 22.9 | 22.9 | 23 | 23.5 | 23.5 |
| Air duct diameter, [mm] | 500х300 | 500х300 | 500х300 | 500х300 | 500х300 |
| Phase, [˜] | 3 | 3 | 3 | 3 |
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