6″ Rewindable Submersible Motors

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These 6″ rewindable motors, manufactured in ISO 9001 certified facilities, are built for dependable operation in 6″ diameter or larger water wells. 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 FES93 fluid, providing frost protection down to -15 ºC storage temperature. The Sandfighter® SiC seal system is the option for sandy applications. For applications in aggressive media, motors made of 316SS and 904L are available.

Specifications:

  • 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
  • Max. storage temperature -15 °C – + 60 °C
  • Design for retrofitable PT100 sensor
  • Approved Franklin Electric Kingsbury type thrust bearing
  • Non contaminating FES 93 filling
  • Sand fighter® SiC seal system is standard
  • Standard Motors complete 304SS

Technical Specifications:

  • 6-inch NEMA flange with Studs (M 12)
  • Protection: IP 68
  • Starts per hour: max. 20
  • Installation orientation: Vertical / horizontal (shaft end heightened) – 37kW motors may not be installed horizontally
  • Motor Lead in 4 m length (KTW approved)
  • Voltage tolerance 50 Hz: +6 % / -10 % (Standard: 415 + 6 % = 440 V, 380 – 10 % = 342 V)
  • Voltage tolerance 60 Hz: +/-10 % Standard: 460 + 10 % = 506 V, 460 –10 % = 414 V)
  • Motor protection: Select thermal overloads according to EN 61947-4-1
  • DOL / YΔ – start (pos. of cables 90°)
  • Standard motor with PPC winding insulation (37 kW in standard with PE2/PA insulation) for max. ambient temp. of 30 ºC with a min.cooling flow:
    • 4 kw – 15 kw v = 0,2 m / s
    • 18,5 kw – 37 kw v = 0,5 m / s

Options

  • Other voltages
  • Motors in complete 316SS and 904 L
  • Motors up to 30kW with PE2/PA winding insulation for max. ambient temp. of 50 °C at the same cooling conditions as standard (37 kW max. 4 5°C)
  • PT 100 temperature sensor (sold separately)
  • Lead in different lengths up to 50 m
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