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4″ 3-Phase NBS4 Motor

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
Category:

Three phase 4″ submersible motors for use in wells with diameters equal to or greater than 4″.

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 – 7.5 kW
  • 4’’ NEMA flange
  • Protection rating: IP68
  • Number of starts per hour: max. 30
  • Vertical and horizontal operation (prior authorisation).
  • Rated voltage: 210-220-230 V/50 Hz; 380-415 V/50 Hz; 460 V/60 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
  • Cooling flow rate: min. 8 cm/sec.
  • Water pH: 6.5-8
  • Thrust load: 1500 N, 2500 N, 4500 N(K), 6500 N(K)

Performance

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