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Submersible Motors & Control Boxes
Coverco
—  1 Phase PSC
—  NBS4 Series
—  NBS6 Series
—  NPS6-RWK6-NRS8-NRS10 Series

NBS6 Series

3-phase 6″ submersible motors for use in wells with diameters equal to or greater than 6″.

Advantages

  • Stator in oil
  • Cable material compliant with drinking water standards (KTW)
  • Sand protection and mechanical seal to allow for optimal operation even in the presence of sand in the well designed to ensure excellent efficiency and low operating costs
  • All motors are pre-filled with liquid and 100 % tested

Standard Motors

  • Power range: 4.0 – 30 kW
  • Flange: 6″ NEMA
  • Protection rating: IP68
  • Number of starts per hour: max. 20
  • Vertical installation (all ratings) and horizontal installation (up to 11 kW prior to application assessment and approval by Coverco).
  • Rated voltage: 220-230 V/50 Hz; 380-415 V/50 Hz; 460 V/60 Hz
  • Voltage tolerance: 44 0V – 342 V
  • 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
  • Cooling flow rate: min. 16 cm/sec. (30 kW min. 0.5 m/sec.)
  • Motors are complete with 4 m subm. removable cable
  • Thrust load: 10000 and 20000 N

Motor Model Numbers

PN[kW] UN[V] Model Number Type Down Thrust
4.0 380/415 V 277 610 0300 NBS6 550T 10000N
5.5 277 611 0300 NBS6 750T 10000N
7.5 277 612 0300 NBS6 1000T 10000N
9.2 277 001 0300 NBS6 1250T 10000N
11.0 277 613 0310 NBS6 1500T 10000N
15.0 277 614 0310 NBS6 2000T 10000N
18.5 277 615 0310 NBS6 2500T 10000N
22.0 277 616 1310 NBS6K 3000T 20000N
30.0 277 617 1310 NBS6K 4000T 20000N

Perfomance Data 380-400-415 V 50 Hz

Power Voltage[V] RIA R.p.m. Min-1 Power Factor cosϕ
kW HP 50 75 100
4 5.5 380 9.6 2800 0.65 0.77 0.85
400 9.8 2820 0.57 0.7 0.81
415 10.3 2835 0.52 0.65 0.77
5.5 7.5 380 12.6 2825 0.65 0.77 0.84
400 12.5 2845 0.57 0.7 0.79
415 12.8 2860 0.51 0.64 0.75
7.5 10 380 16.9 281 0.7 0.81 0.86
400 16.9 2835 0.62 0.75 0.82
415 17.3 2850 0.56 0.69 0.78
9.2 12.5 380 20.8 2830 0.7 0.8 0.84
400 20.9 2850 0.61 0.74 0.8
415 21.5 2865 0.55 0.69 0.75
11 15 380 24.5 2880 0.65 0.76 0.81
400 25.3 2895 0.55 0.68 0.75
415 26.6 2905 0.48 0.62 0.7
15 20 380 33 2850 0.67 0.79 0.84
400 33.4 2875 0.58 0.73 0.79
415 34.7 2880 0.52 0.67 0.73
18.5 20 380 40.1 2850 0.65 0.77 0.84
400 40.7 2870 0.56 0.7 0.79
415 42.1 2880 0.5 0.64 0.73
22 30 380 50.3 2875 0.54 0.69 0.79
400 53.3 2890 0.45 0.6 0.71
415 57.6 2900 0.4 0.52 0.64
30 40 380 63.2 2830 0.75 0.84 0.88
400 61.9 2850 0.66 0.78 0.85
415 62.2 2865 0.6 0.73 0.81