12-Inch Rewindable

12-Inch Rewindable


  • Easy to assemble with double flange
  • Cable material according to drinking water regulations (VDE/ACS/KTW approved)
  • SAND FIGHTER™ SiC seal system for high performance in sand
  • High efficiency electrical dsign for low operation cost
  • All motors prefilled and 100% tested
  • Maximum storage temperature -15 °C to +60 °C
  • Designed for retrofitable Pt100 sensor
  • Non-contaminating FES93 filled design
  • Standard Water Well construction have cast iron end frames epoxy coated with 316SS stator shell

Technical Specifications:

  • 185 to 400 kW
  • 12 inch flange
  • Protection: IP68
  • Starts per hour: max. 5
  • Installation position: vertical/horizontal
  • Motor lead in 6 metre length (KTW approved)
  • Standard voltage: 380-415 V/50Hz, 460 V/60Hz
  • Voltage tolerance 50 Hz: -10% / +6% UN = (380 -10%) – (415V +6%)
  • Voltage tolerance 60Hz: ±10% Un
  • Motor protection: Select thermal overloads according to EN 61947-4-1, trip class 10 or 10A, trip time <10s at 5 x IN
  • 30°C ambient temperature with a min. cooling flow of: v = 0.5 m/s


  • 80 kN thrust load
  • Other voltages:1,000 V, 2,300 V and 3,300 V 50 Hz DOL motors for high voltages are available for Standard, 316SS and 904L constructions.
  • Wye/Star Delta start (pos. of cables 90°)
  • Pt100 temperature sensor (sold separately)
  • Special lead lngths upon request

Select a file to download:


These 12 inch rewindable motors, manufactured in ISO 9001 certified facilities, are built for dependable operation in 12 inch diameter or larger water wells. It is fitted with water lubricated radial and thrust bearings for maintenance-free operation. The motor is filled with a special FES93 fluid, providing frost protection down to -15°C storage temperature. A special diaphragm ensures pressure compensation inside the motor. The SAND FIGHTER™ SiC seal system is standard.

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