– Standard 4” NEMA flanges with studs (M8)
– Protection IP 68
– Start per hours max .20
– Installation position: vertical
– Motor lead in 3 m length
– Standard voltage: 380 – 415V/50Hz, 460V/60Hz
– Tolerance: +6%,-10% (Standard 415+6%=440V, 380V-10%=342V)
– Frequency tolerance +-2% Speed –appox . 2850 -2880 rpm at
– 50Hz.star alternatives – direct on line (DOL)
– Allowable voltage variations +6%, -10%, Frequency tolerance +2%
– Speed – approx.2850-2880rmp at 50Hz
– Standard motor with poly wrapped copper winding wire for
– Max. Ambient Temp. of 30® with a min. cooling flow:
0.37 KW -5.5 KW v=0.2m/s

– 4” Rewindable motors are built for dependable operation in 4” Diameter or Large water wells.
– Water lubricated thrust and radial bearings enable a very less maintenance Operation.
– A preloaded special diaphragm ensures pressure compensation inside the Motor.

– The cable material used is according to drinking water regulations.
– Sand slinger with Oil seals or mechanical seal for high performance in the sand.
– High-efficiency electrical design for low operation cost.
– All motors are pre-filled and 100% tested.
– Max. Storage temperature – 15 C to + 60 C
– Approved tilting type thrust bearing (0.37KW to 5.5KW)

– Other voltage & Frequency 380 V / 220 V /60Hz
– SiC/SiC mechanical seal