4-Inch 3-Phase NBS4

4-Inch 3-Phase NBS4

Three phase 4" submersible motors for use in well with diameters equal to or greater than 4’’

Product Info
Ordering / Performance
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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 – 7.5 kW
    • 4’’ NEMA flange
    • Protection rating: IP68
    • Number of starts per hour: max. 30
    • Vertical and horizontal operation (prior authorisation).
    • Rated voltage: 210-220-230/50 Hz; 380-415V/50Hz; 460V/60Hz
    • 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)
  • Motor Model numbers

    PN
    [kW]
    UN
    [V]
    Model numberTypeDown-thrust
    0,37380/415V2747611040NBS4 050T1500N
    0,552747621040NBS4 075T1500N
    0,752747631040NBS4 100T1500N
    1,12747241040NBS4 150T2500N
    1,52747251040NBS4 200T2500N
    2,22747261040NBS4 300T2500N
    32747644140NBS4 400T2500N
    42747654140NBS4 550T2500N
    5,52747284140NBS4 750T2500N

    Motor Model numbers HT version

    PN
    [kW]
    UN
    [V]
    Model numberTypeDown-thrust
    2,2380/415V2747261140NBS4K 300T4500N
    32747644040NBS4K 400T4500N
    42747654040NBS4K 550T4500N
    5,52747284040NBS4K 750T4500N
    7,52747294040NBS4K 1000T4500N

    Perfomance Data 380-400-415V 50Hz

    Power Voltage
    [V]
    RIAR.p.m.
    Min-1
    Power factor
    cosϕ
    kWHP5075100
    0,370,53801,3527900,690,770,83
    4001,3528200,640,730,79
    4151,3528350,610,70,76
    0,550,753801,8528000,650,750,83
    4001,8528300,60,70,78
    4151,928500,550,660,75
    0,7513802,228100,640,750,82
    4002,228350,580,70,78
    4152,2528500,540,650,74
    1,11,5380328000,640,760,83
    400328300,60,710,79
    415328450,550,670,75
    1,52380428000,60,730,82
    4004,128250,530,660,76
    4154,328400,480,610,71
    2,233805,528000,630,760,83
    4005,628250,560,690,78
    4155,728400,50,640,73
    343807,427800,590,730,83
    4007,528100,510,660,78
    4157,928250,470,60,72
    45,53809,628000,570,720,82
    4009,828200,50,640,77
    41510,328350,450,590,71
    5,57,538012,628250,630,770,86
    40012,528450,550,710,82
    41512,828600,50,650,78
    7,51038016,92810,650,790,87
    40016,928350,570,720,83
    41517,328500,510,660,77