Cookie Policy
At Grundfos we use cookies to remember your choices, and to improve your experience on the Grundfos websites. Use the site as normal if you accept this.

For more detailed information, please read our full cookie policy.

NB 40-250/225 A-F-A-GQQE - 96536286

Performance curve
Product photo
Dimensional Drawing
Motor curve
Wiring Diagram
Spare parts


Download CAD drawings

Spare parts

    Parts list


      Curve settings


      Product name: NB 40-250/225 A-F-A-GQQE
      Product No: 96536286
      EAN number: 0000000000000
      Pump speed on which pump data are based: 1730 rpm
      Rated flow: 31.4 m³/h
      Rated head: 20 m
      Head max: 16 m
      Actual impeller diameter: 225 mm
      Shaft seal arrangement: Single
      Code for shaft seal: GQQE
      Pump version: A
      Pump housing: Cast iron
      Pump housing: EN-JL1040
      Pump housing: A48-40 B
      Impeller: Cast iron
      Impeller: EN-JL1030
      Impeller: A48-30 B
      Material code: A
      Maximum ambient temperature: 40 °C
      Pipe connection standard: DIN
      Size of inlet connection: DN 65
      Size of outlet connection: DN 40
      Pressure rating for pipe connection: PN16
      Connect code: F
      Pumped liquid: Water
      Liquid temperature range: -25 .. 90 °C
      Selected liquid temperature: 20 °C
      Density at selected liquid temperature: 998.2 kg/m³
      Electrical data 
      Motor type: 100LB
      IE Efficiency class: IE1
      Rated power - P2: 3 kW
      Mains frequency: 60 Hz
      Rated voltage: 3 x 380-480 D V
      Rated current: 7.10-6.75 A
      Starting current: 520-680 %
      Cos phi - power factor: 0.80-0.70
      Rated speed: 1710-1750 rpm
      Efficiency: IE1 84% - IE1 85%
      Motor efficiency at full load: 84-85 %
      Motor efficiency at 3/4 load: 85-84 %
      Motor efficiency at 1/2 load: 85-80 %
      Number of poles: 4
      Enclosure class (IEC 34-5): IP55
      Insulation class (IEC 85): F
      Motor protec: PTC
      Motor No: 87252327
      Mount. design. acc. IEC 34-7: IM V1/B5
      Net weight: 70.4 kg
      Gross weight: 75 kg
      Shipping volume: 0.324 m³

      Quotation Text



      Note: Please try to use English language in case that you didn´t find the literature you´re looking for in your local language.
        Title Document Number Literature language Literature category Product type Date added Version
      Sound Measurement Report
      Case stories
      Installation & operating instructions
      Data booklets
      Support files
      Tender Material
      Functional profiles

      CAD drawings

      Select the required CAD formats by clicking the select boxes. Press Download and you will be offered a ZIP file containing the selected CAD format.

        CAD Format

      System parts

      Batch actions:

      Sizing result

      Loading... Loading
      Error calling service: