Encapsulated motors for well pumps

Technical specifications:

– Power range: 4 kW to 45 kW
– Encapsulated, resin-filled stator
– Suitable for use with variable speed drive*
– 6″ NEMA mounting design
– Maximum ambient temperature: 35°C at a minimum cooling current of 0.16 m/s
– Voltage tolerance: ±10%
– Protection class: IP68
– Insulation class: B
– Start frequency: up to 20 starts per hour, at regular intervals
– Suitable for vertical and horizontal installation
– Maximum immersion depth: 350 metres

*When using a frequency converter, output filters are required, depending on cable length.

Product benefits:
– Factory filled with non-toxic, water-soluble filling solution
– Stainless steel welded shaft and motor housing
– All motors with factory-installed cables (standard 4 m)
– Liquid-lubricated radial bearings
– SiC/SiC mechanical seal with sand trap (sand protection)
– Water-lubricated Kingsbury thrust bearing with high capacity for 100% maintenance-free operation
– Field replaceable lead with stainless steel locknut
– Pressure equalising diaphragm
– High-efficiency electrical design for low operating costs
– All motors manufactured in ISO 9001 certified factories and 100% tested
– Suitable for drinking water applications (drinking water approval)

Options:

– Other voltages
– Star-delta start
– Motor entirely made of AISI 316
– PT100 temperature sensor
– Special cable lengths up to 50 metres