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.

MS 402 - 98574887

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


Download CAD drawings

Spare parts

    Parts list


      Curve settings


      Product name: MS 402
      Product No: 98574887
      EAN number: 5711497463838
      Shaft seal for motor: LIPSEAL
      Approvals on nameplate: CE,EAC,CSACOMP,UR
      Model: B
      Motor version: T40
      Motor: Stainless steel
      Motor: DIN W.-Nr. 1.4301
      Motor: AISI 304
      Maximum ambient pressure: 15 bar
      Motor diameter: 4 inch
      Staybolt: 5/16-24 UNF
      Electrical data 
      Motor type: MS402
      Motor type 1-phase: CSCR
      Rated power - P2: 1.1 kW
      KVA code: H
      Mains frequency: 60 Hz
      Rated voltage: 1 x 230 V
      Voltage tolerance: +10/-10 %
      Service factor: 1.30
      Rated current: 11.6 A
      Maximum current consumption: 11.6 A
      Starting current: 500 %
      Cos phi - power factor: 0.89
      Rated speed: 3450 rpm
      Rated full-load torque: 4.01 Nm
      Locked-rotor torque: 150 %
      Breakdown torque: 200 %
      Moment of inertia: 0.0008 kg m²
      Axial load max: 350 kg
      Capacitor size - run: 10 µF/370 V
      Capacitor size - start: 120 µF/220 V
      Start. method: direct-on-line
      Enclosure class (IEC 34-5): IP68
      Insulation class (IEC 85): B
      Motor protec: NONE
      Thermal protec: external
      Built-in temp. transmitter: no
      R a: 2.20 ohm
      R s1: 9.15 ohm

      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: