These 12″ rewindable motors, manufactured in ISO 9001 certified facilities, are built for dependable operation in 12″ 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.

Features & Benefits:

  • 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 design for low operation cost
  • All motors pre-filled and 100% tested
  • Max. storage temperature 5 °F (-15 °C) to 140 °F (60 °C)
  • Design for retrofitable PT100 sensor
  • Non contaminating FES 93 filled design
  • NSF/ANSI 61 Certified

Options:

  • 80 kN thrust load
  • Other voltages
  • Y∆ – start (pos. of cables 90°)
  • PT 100 temperature sensor (sold separately)
  • Special lead lengths available upon request
  • 316 SS construction

Technical Specifications:

  • 12″ three-phase motors, 2-Pole (3600 RPM) & 4-Pole (1800 RPM)
  • 185-400 kW / 150-250 hp
  • 12″ flange
  • IP 68 protection
  • 5 maximum starts per hour
  • Vertical and horizontal installation
  • Motor Lead in 20 ft. (6 m) length
  • 460 V/60 Hz, 575 V/60 Hz, and 380 V/50 Hz standard voltages
  • Voltage tolerance (50 Hz): -10% / +6% UN [380-415 V = (380-10%) – (415+6%)]
  • Voltage tolerance (60 Hz): ±10% UN
  • 30 °C ambient temperature with a minimum cooling flow: v = 0.5 m/s