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Submersible Motors & Control Boxes
Submersible Motors
—  NPM4 Series
—  NPS6 Series
—  RWK6 Series
—  NRS8 Series
—  NRS10 Series

NPM4 Series

The NPM4 Series rewindable oil-filled motor for use in wells with diameters equal to or greater than 4”.

FEATURES

  • Coverco 4” electric motors ensure reliable operation in wells with diameters equal to or greater than 4”
  • The axial and radial oil lubricated bearings allow for maintenance-free operation
  • The pressure compensation inside the motor is ensured by a special membrane

ADVANTAGES

  • Stator submerged in oil
  • 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

TECHNICAL DATA

  • Rating: 0.37kW – 7.5kW
  • 4” NEMA flange
  • Protection rating: IP68
  • Number of starts per hour: max 30
  • Vertical and horizontal operation (prior authorization from our Technical Department)
  • Standard rated voltage:
    • Single Phase: 220V – 240V  50Hz
    • Three Phase: 380V – 415V  50Hz
  • Voltage tolerance: ± 10%
  • Insulation Class: F
  • Ambience temperature: 300C
  • Cable dimensions: 4×1.5mm2
  • Cooling flow rate: min. 0.08 m/sec
  • Water pH: 6.5 – 8
  • Thrust load: 1500N, 2500N, 4500N

PERFORMANCE DATA SINGLE-PHASE 3-WIRE

Phase Power Voltage [V] In (A) RPM Efficiency η% Power Factor cosϕ Capacitor μF
kW HP 50 75 100 50 75 100
1 0.37 0.50 220 3.3 2835 37 48 55 0.88 0.94 0.97 20
230 3.4 2850 34 45 53 0.82 0.89 0.94
0.55 0.75 220 4.6 2810 41 52 59 0.87 0.94 0.97 25
230 4.8 2820 37 48 56 0.81 0.89 0.95
0.75 1.0 220 5.8 2810 46 57 62 0.81 0.90 0.96 30
230 6.1 2825 41 53 60 0.74 0.84 0.91
1.1 1.5 220 8.5 2805 48 59 65 0.77 0.88 0.95 35
230 9.0 2815 42 54 61 0.70 0.81 0.91
1.5 2.0 220 10.9 2800 54 63 66 0.81 0.91 0.96 40
230 11.0 2820 49 60 66 0.71 0.83 0.92
2.2 3.0 220 15.5 2810 54 65 69 0.82 0.92 0.97 70
230 16.2 2815 48 60 66 0.75 0.86 0.94

PERFORMANCE DATA THREE-PHASE

Phase Power Voltage [V] In (A) RPM Efficiency η% Power Factor cosϕ
kW HP 50 75 100 50 75 100
3 1.5 2.0 380 3.3 2825 70 74 74 0.63 0.76 0.83
400 3.9 2845 67 72 74 0.55 0.68 0.77
415 4.1 2860 64 71 73 0.48 0.62 0.72
2.2 3.0 380 5.7 2810 73 76 76 0.55 0.70 0.80
400 6.1 2830 69 74 75 0.48 0.62 0.73
415 6.4 2845 66 72 75 0.43 0.56 0.67
3.0 4.0 380 7.5 2815 74 77 77 0.58 0.72 0.81
400 7.9 2835 70 75 76 0.50 0.64 0.74
415 8.2 2850 67 73 75 0.44 0.58 0.69
4.0 5.5 380 10.2 2820 75 78 78 0.57 0.72 0.81
400 10.8 2840 71 75 77 0.49 0.63 0.74
415 11.3 2855 68 74 76 0.44 0.57 0.68
5.5 7.5 380 13.2 2830 78 80 79 0.62 0.76 0.84
400 10.8 2850 76 79 79 0.54 0.68 0.78
415 11.3 2865 74 78 79 0.48 0.62 0.74
7.5 10 380 18.3 2850 76 80 79 0.56 0.71 0.81
400 19.4 2865 72 77 78 0.48 0.63 0.73
415 20.3 2875 69 75 77 0.43 0.57 0.68

PERFORMANCE DATA SINGLE-PHASE 3-WIRE

Phase Power Voltage [V] In (A) RPM Efficiency η% Power Factor cosϕ Capacitor μF
kW HP 50 75 100 50 75 100
1 0.37 0.50 220 3.3 2835 37 48 55 0.88 0.94 0.97 20
230 3.4 2850 34 45 53 0.82 0.89 0.94
0.55 0.75 220 4.6 2810 41 52 59 0.87 0.94 0.97 25
230 4.8 2820 37 48 56 0.81 0.89 0.95
0.75 1.0 220 5.8 2810 46 57 62 0.81 0.90 0.96 30
230 6.1 2825 41 53 60 0.74 0.84 0.91
1.1 1.5 220 8.5 2805 48 59 65 0.77 0.88 0.95 35
230 9.0 2815 42 54 61 0.70 0.81 0.91
1.5 2.0 220 10.9 2800 54 63 66 0.81 0.91 0.96 40
230 11.0 2820 49 60 66 0.71 0.83 0.92
2.2 3.0 220 15.5 2810 54 65 69 0.82 0.92 0.97 70
230 16.2 2815 48 60 66 0.75 0.86 0.94

PERFORMANCE DATA THREE-PHASE

Phase Power Voltage [V] In (A) RPM Efficiency η% Power Factor cosϕ
kW HP 50 75 100 50 75 100
3 1.5 2.0 380 3.3 2825 70 74 74 0.63 0.76 0.83
400 3.9 2845 67 72 74 0.55 0.68 0.77
415 4.1 2860 64 71 73 0.48 0.62 0.72
2.2 3.0 380 5.7 2810 73 76 76 0.55 0.70 0.80
400 6.1 2830 69 74 75 0.48 0.62 0.73
415 6.4 2845 66 72 75 0.43 0.56 0.67
3.0 4.0 380 7.5 2815 74 77 77 0.58 0.72 0.81
400 7.9 2835 70 75 76 0.50 0.64 0.74
415 8.2 2850 67 73 75 0.44 0.58 0.69
4.0 5.5 380 10.2 2820 75 78 78 0.57 0.72 0.81
400 10.8 2840 71 75 77 0.49 0.63 0.74
415 11.3 2855 68 74 76 0.44 0.57 0.68
5.5 7.5 380 13.2 2830 78 80 79 0.62 0.76 0.84
400 10.8 2850 76 79 79 0.54 0.68 0.78
415 11.3 2865 74 78 79 0.48 0.62 0.74
7.5 10 380 18.3 2850 76 80 79 0.56 0.71 0.81
400 19.4 2865 72 77 78 0.48 0.63 0.73
415 20.3 2875 69 75 77 0.43 0.57 0.68

SINGLE-PHASE 3-WIRE M

HP kW Model No. Voltage Hz S.F. Lead Type Thrust Rating (N) Length A (mm) Length C (mm) Weight (kg)
0.5 0.37 2752030252GS 220V - 230V 50 1.0 Removable 1500 327 365 7.4
0.75 0.55 2752130252GS 220V - 230V 50 1.0 Removable 1500 336 374 8
1 0.75 2752230252GS 220V - 230V 50 1.0 Removable 1500 357 395 8.5
1.5 1.1 2752330252GS 220V - 230V 50 1.0 Removable 1500 380 419 8.8
2 1.5 2752430352GS 220V - 230V 50 1.0 Removable 2500 426 464 10.8
3 2.2 2752530352GS 220V - 230V 50 1.0 Removable 2500 475 513 12.5

THREE-PHASE MODELS

HP kW Model No. Voltage Hz S.F. Lead Type Thrust Rating (N) Length A (mm) Length C (mm) Weight (kg)
2 1.5 2742460352GS 380V-400V-415V 50 1.0 Removable 2500 388 426 8.8
3 2.2 2742560352GS 380V-400V-415V 50 1.0 Removable 2500 426 464 10.8
4 3 2742660452GS 380V-400V-415V 50 1.0 Removable 2500 475 513 12.8
5.5 4 2742860452GS 380V-400V-415V 50 1.0 Removable 2500 540 579 15.5
7.5 5.5 2742960452GS 380V-400V-415V 50 1.0 Removable 2500 635 673 18.3
10 7.5 2743060452GS 380V-400V-415V 50 1.0 Removable 2500 744 782 24.3

SINGLE-PHASE 3-WIRE M

HP kW Model No. Voltage Hz S.F. Lead Type Thrust Rating (N) Length A (mm) Length C (mm) Weight (kg)
0.5 0.37 2752030252GS 220V - 230V 50 1.0 Removable 1500 327 365 7.4
0.75 0.55 2752130252GS 220V - 230V 50 1.0 Removable 1500 336 374 8
1 0.75 2752230252GS 220V - 230V 50 1.0 Removable 1500 357 395 8.5
1.5 1.1 2752330252GS 220V - 230V 50 1.0 Removable 1500 380 419 8.8
2 1.5 2752430352GS 220V - 230V 50 1.0 Removable 2500 426 464 10.8
3 2.2 2752530352GS 220V - 230V 50 1.0 Removable 2500 475 513 12.5

THREE-PHASE MODELS

HP kW Model No. Voltage Hz S.F. Lead Type Thrust Rating (N) Length A (mm) Length C (mm) Weight (kg)
2 1.5 2742460352GS 380V-400V-415V 50 1.0 Removable 2500 388 426 8.8
3 2.2 2742560352GS 380V-400V-415V 50 1.0 Removable 2500 426 464 10.8
4 3 2742660452GS 380V-400V-415V 50 1.0 Removable 2500 475 513 12.8
5.5 4 2742860452GS 380V-400V-415V 50 1.0 Removable 2500 540 579 15.5
7.5 5.5 2742960452GS 380V-400V-415V 50 1.0 Removable 2500 635 673 18.3
10 7.5 2743060452GS 380V-400V-415V 50 1.0 Removable 2500 744 782 24.3