6-Inch 3-Phase NBS6

6-Inch 3-Phase NBS6

Three phase 6" submersible motors for use in well with diameters equal to or greater than 6"

Product Info
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  • 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 11kW prior to application assessment and approval by Coverco).
    • Rated voltage: 220-230/50Hz; 380-415V/50Hz; 460V/60Hz
    • Voltage tolerance: 440V - 342V
    • Cable dimensions: 4mm2 and 8.3mm2
    • 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. 0.5m/sec.
    • Motors are complete with 4 metres subm. removable cable
    • Thrust load: 10000 and 20000 N
  • Motor Model numbers

    PN
    [kW]
    UN
    [V]
    Model numberTypeDown-thrust
    4,0380/415V277 610 0300NBS6 550T10000N
    5,5277 611 0300NBS6 750T10000N
    7,5277 612 0300NBS6 1000T10000N
    9,2277 001 0300NBS6 1250T10000N
    11,0277 613 0310NBS6 1500T10000N
    15,0277 614 0310NBS6 2000T10000N
    18,5277 615 0310NBS6 2500T10000N
    22,0277 616 1310NBS6K 3000T20000N
    30,0277 617 1310NBS6K 4000T20000N

    Perfomance Data 380-400-415V 50Hz

    Power Voltage
    [V]
    RIAR.p.m.
    Min-1
    Power factor
    cosϕ
    kWHP5075100
    45,53809,628000,650,770,85
    4009,828200,570,70,81
    41510,328350,520,650,77
    5,57,538012,628250,650,770,84
    40012,528450,570,70,79
    41512,828600,510,640,75
    7,51038016,92810,70,810,86
    40016,928350,620,750,82
    41517,328500,560,690,78
    9,212,538020,828300,70,80,84
    40020,928500,610,740,8
    41521,528650,550,690,75
    111538024,528800,650,760,81
    40025,328950,550,680,75
    41526,629050,480,620,7
    15203803328500,670,790,84
    40033,428750,580,730,79
    41534,728800,520,670,73
    18,52038040,128500,650,770,84
    40040,728700,560,70,79
    41542,128800,50,640,73
    223038050,328750,540,690,79
    40053,328900,450,60,71
    41557,629000,40,520,64
    304038063,228300,750,840,88
    40061,928500,660,780,85
    41562,228650,60,730,81