6-Inch Hi Temp 90C Encapsulated

6-Inch Hi Temp 90C Encapsulated


  • Up to 90°C ambient temperature
  • Increased thrust capacity up to 30°C
  • No cooling flow in larger wells (12″/open body of water) up to 30°C ambient
  • Hermatically sealed encapsulated stator, anti trcak, self healing stator resin
  • Removable Water Block lead connector
  • Sand Fighter™ Motor with SiC-Mechanical Seal
  • High efficiency electrical design for low operation cost
  • All motors refilled and 100% tested. Max. storage temperature -15°C – +60°C
  • High temperature leads
  • Non contaminating FES 92 filled design

Technical Specifications:

  • 3.7 to 30 kW
  • 6″ NEMA double flange
  • Protection: IP68
  • Starts per hour: max. 20
  • Installation: vertical/horizontal
  • Standard voltage: 380-415 V/50 Hz, 460 V/60 Hz
  • Voltage tolerance 50 Hz: -10%/+6% UN (380-415 V = (380-10%)-(415+6%)
  • Voltage tolerance 60 Hz: ±10% UN
  • Motor protection: Select thermal overloads according to DIN 60947-4-1, trip class 10 or 10A, trip time <10s at 5 x IN
  • Insulation: Class F
  • Rated ambient temperature: 90°C
  • Cooling Flow: min. 0.16 m/s
  • DOL and Wye/Star Delta – start (pos. of cable 90°)
  • Motor length: 4 metres
  • Standard Water Well construction is cast iron epoxy coated end frames with 304SS stator shell


  • Other voltages
  • 45 kN High Thrust version
  • Motors in complete 316SS construction

Select a file to download:


These 6-inch encapsulated motors, manufactured in ISO 9001 certified facilities, are built for dependable operation in 6-inch diameter or larger water wells with ambient temperature up to 90 °C. Water lubricated thrust and radial bearings enable a maintenance free operation. A special diaphragm ensures pressure compensation inside the motor.
The motor is filled with a special FES92 fluid, providing frost protection down to -15 ºC storage temperature.
The Sand fighter® SiC seal system is standard.

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