2656925021 12RW-250-575-60-Dol-3R-PE2

The 12-inch rewindable motor, manufactured in ISO 9001 certified facilities, is 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 12-inch rewindable motor is filled with a special FES93 fluid, providing frost protection down to -15 ºC storage temperature. A special diaphragm ensures pressure compensation inside the motor.

Item: 2656925021
Model: 12RW-250-575-60-Dol-3R-PE2
Type Sand Fighter


HP 335 hp
Frequency 60 Hz
Phases Three-Phase
Amps - Full Load 334 A
Amps - Service Factor 370 A
Volts 575 VAC
Voltage Tolerance (%) -10.0% / +10.0%
Wire 3-Wire
Motor Connection DOL
Lead Length 20 ft
Motor Rewindable
Continuous Duty Yes
Efficiency Service Factor Load [%] 87.00 %
Protection [IP] IP68
Lead Wire Size 70 mm²
Motor Insulation Classification Y
Poles 2
S.F. 1.15
Motor Cooling Water
Minimum Cooling Flow 1.6 ft/sec
Motor Ambient Temperature Rating Nominal 86 °F
Thrust Bearing Rating @ 89 F, 30 C 13400 lb
Motor Adapter Double flange
Rotation Counter clockwise facing the shaft
SubTrol Heat Sensor NO

Materials of Construction

Motor Shaft End - Material Stainless Steel 1.4462
Thrust Bearing Kingsbury
Bottom Bearing Water Lubricated Hydrodynamic Sleeve Bearing
Seal Mechanical Seal SiC/SiC
Lead Insulation Material EPR
Diaphragm Material Ethylene-Propylene-Diene (EPDM)
Motor Bottom End Bell Material Cast Iron with E-Coat Paint
Motor Fill Solution (Water Soluble / Non Toxic) YES
Motor Fill Solution FES93
Motor Top End Bell Material Cast Iron with E-Coat Paint
Shaft Slinger Material Nitrile Rubber (NBR)
Stator Ends Material Carbon Steel
Stator Fill Water/Propyleneglycol
Stator/ Motor Shell Material 304SS
Winding Material Copper/ PE2/PA


Motor Diameter - Physical Diameter 11.26"
Motor Length 74.53 "
Product Weight 1461 lb
Product Weight with Pack 1638 lb
Carton Length 90.39 "
Carton Width 15.59 "
Carton Height 22.52 "
Shaft Diameter 2.17 "
Shaft End Keyed


Drinking Water Agency Approvals ANSI/NSF Standard 61
Electrical Agency Approvals UL
Warranty Standard Time 12 Mo. from Date of Install / 24 Mo. from Date of Manufacturing