4" 1-Phase NBS4 Motors
4" 1-Phase NBS4 Motors
Single phase 4" submersible motors for use in wells with diameters equal to or greater than 4".
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Product advantages
- Stator in oil
- Cable material compliant with drinking water standards (with relative inspection)
- Sand protection and mechanical seal to allow for optimal operation even in the presence of sand in the well
- Excellent efficiency and low operating costs
- All motors are pre-filled with liquid and 100 % tested
Techincal Specifications
- Power range: 0.37 – 4.0 kW
- Flange: 4" NEMA
- Protection rating: IP68
- Number of starts per hour: max. 30
- Vertical and horizontal operation (prior authorisation)
- Rated voltage: 210-220-230/50 Hz;
- Voltage tolerance: ± 10 %
- Motor protection: thermal relays in compliance with EN 60947-4-1, trip class 10 or 10A, trip time < 10 s. at 5 x IN
- Insulation class: F
- Ambience temperature: 30 °C
- Cable dimensions: 4×1.5 mm2
- Standard motor cable lenght:
- 0,37 - 2,2kW: 1,5m
- 3,0 - 4,0kW: 2,5m
- Cooling flow rate: min. 0,08 m/sec.
- Water pH: 6.5-8
- Thrust load: 1500 N, 2500 N, 4500 N(K), 6500 N(K)
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Motor Model Numbers
PN
[kW]UN
[V]Model Number Type Down Thrust 0.37 220-230 275 846 1040 NBS4 050M 1500N 0.55 275 847 1040 NBS4 075M 1500N 0.75 275 848 1040 NBS4 100M 1500N 1.1 275 850 1040 NBS4 150M 1500N 1.5 275 851 1040 NBS4 200M 2500N 2.2 275 852 1040 NBS4 300M 2500N 2.2 275 852 1140 NBS4K 300M 4500N 3 275 849 4040 NBS4K 400M 4500N 3.7 275 853 4040 NBS4K 500M 4500N 4 275 854 4040 NBS4K 550M 4500N Perfomance Data 210-220-230 V 50 Hz
Power Voltage
[V]RIA R.p.m.
Min-1Power Factor
cosϕCapacitor
μFkW HP 50 75 100 0.37 0.5 210 3.4 2810 0.93 0.96 0.97 20 220 3.4 2830 0.86 0.91 0.95 20 230 3.5 2845 0.79 0.85 0.91 20 0.55 0.75 210 4.6 2810 0.92 0.96 0.98 25 220 4.5 2830 0.8 0.87 0.95 25 230 4.7 2845 0.71 0.81 0.91 25 0.75 1 210 5.7 2815 0.94 0.96 0.98 36 220 5.7 2830 0.86 0.92 0.96 36 230 5.8 2845 0.78 0.86 0.92 36 1.1 1.5 210 8.3 2790 0.9 0.95 0.97 40 220 8.3 2810 0.79 0.88 0.95 40 230 8.6 2830 0.7 0.81 0.9 40 1.5 2 210 10.7 2780 0.94 0.97 0.98 50 220 10.5 2810 0.86 0.94 0.97 50 230 10.7 2820 0.76 0.86 0.93 50 2.2 3 210 15 2790 0.96 0.98 0.99 76 220 14.8 2810 0.91 0.96 0.98 76 230 14.5 2830 0.82 0.91 0.96 76 3 4 210 19.5 2910 0.94 0.97 0.98 100 178 220 19.2 2920 0.85 0.93 0.96 100 178 230 19.7 2930 0.73 0.84 0.92 100 178 3.7 5 210 23.4 2900 0.93 0.97 0.98 100 178 220 23.1 2910 0.83 0.91 0.97 100 178 230 23.9 2920 0.72 0.84 0.93 100 178 4 5,5 210 25.1 2890 0.93 0.97 0.98 100 178 220 24.6 2900 0.85 0.93 0.97 100 178 230 25.1 2910 0.75 0.87 0.94 100 178 - RIA: Rated Input Amps
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