6-Inch Rewindable

6-Inch Rewindable


  • Cable material according to drinking water regulations (KTW approved)
  • Sand slinger and mechanical seal for high performance in sand
  • High efficiency electrical design for low operation cost
  • All motors prefilled and 100% tested
  • Maximum storage temperature -15 °C to +60 °C
  • Designed for retrofitable Pt100 sensor
  • Approved Franklin Electric “Kingsbury Type“ thrust bearing
  • Non contaminating FES93 -filled design
  • Sand Fighter SiC sealing system is standard
  • Standard REW motor is now all 304SS construction

Technical Specifications:

  • 6 Inch NEMA flange with M12 studs
  • Protection: IP68
  • Starts per hour: max. 20
  • Installation position: vertical/horizontal (37kW motors may not be installed horizontally!!!)
  • Motor length in 4 metre (KTW approved)
  • Voltage specifications: 380-415 V/50 Hz, 460 V/60Hz
  • Voltage tolerance 50 Hz: -10% / +6% UN(380-415V = (380-10%)-(415+6%)
  • Voltage tolerance 60 Hz: ±10% UN
  • Motor protection: Select thermal overloads according to DIN 61947-4-1, trip class 10 or 10A, trip time <10s at 5 x IN
  • Wye/Star Delta start (pos of cables 90°)
  • Standard motor with PVC winding insulation (37kW in standard with PE2/PA insulation) for max. ambient temp. of 30°C with a min. cooling flow:
  • 4kW to 15kW v = 0.2 m/s
  • 18.5kW to 37kW v = 0.5 m/s


  • Other voltages
  • Motors in 316SS and 904L constructions
  • Motors up to 30kW with PE2/PA winding insulation for max. ambient temp. at 50°C at the same cooling conditions as standard (37kW max 45°C)
  • Pt100 temperature sensor (sold separately)
  • Lead in different lengths up to 50 metres

These 6-inch rewindable motors are built for dependable operation in 6-inch diameter or larger water wells. Water lubricated thrust and radial bearings enable a maintenance free operation. The SAND FIGHTER™ SiC seal system is the standard option for applications in aggressive media, motors made of 304SS, 316SS and 904L are available

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