New Motor range 10" type NU 911 with internal active cooling and a power range (50Hz) of 75-225 kW.
A permanently driven impeller on the motor shaft leads the cooling liquid directly through the bearing and the winding. So the lost heat can be optimally absorbed and dissipated to the circulating pump liquid via the external shroud. Due to the innovative technology a considerably higher energy density can be achieved with reduced operating temperatures at the same time. in addition to that the small installation diameter leads to a reduction of the investment and construction costs of wells and water pumping stations.
- 2 and 4 pole available for different applications
- vertical and partly horizontal installation possible
- standart design of cast iron (GG)/ stainless steel 304
- corrosion-resistant material design of zinc free bronze/ stainless steel 316
- warm water design up to 70°C
- voltage: 200-1000 V; 50/60 Hz
- power increase up to 25%
- active, internal cooling system
- higher duty in small well diameters
- No external cooling shroud required
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