-
Franklin Electric offers a complete line of submersible motors for groundwater and other submerged pumping applications. The Franklin 4-inch super stainless motor has been the driving force behind residential and light commercial submersible pumps for decades. Designed and patented in 1950 by Franklin’s founder, Ed Schaefer, this motor has proven to be the industry’s most trusted residential pump motor. This motor is built for dependable operation in 4 in. diameter or larger water wells.
-
– Ratings: 0.25 – 3.0 kW
– Frequency: 50 Hz (P SC, 2- wire, 3- wire & 3~); 60 Hz (3- wire & 3~)
– Thrust load: 4 kN
– Nominal ambient temperature: 30 °C with 0.08 m/s cooling flow
– Voltage tolerance: -10 % / +6 % (50 Hz), +/- 10% (60 Hz)
– Protection IP68, insulation class B
– Frequency of starts: 20 starts/ hour (with min. 3 minutes resting time)
– All motors with factory installed leads (1.50 m / 2.50 m) Special lead length up to 50 m, Vertical and horizontal operation, shaft upwards
– Rotation counter clock wise facing shaft end (1 phase motors CW upon request; 3 phase motors rotation reversible)
-
– 4″ NEMA mounting design with metric studs
– Stainless steel splined shaft
– Stator shell in 316SS
– Factory filled with Franklin’s non-toxic water soluble fill solution
– Liquid lubricated radial bearings and High capacity Kingsbury type thrust bearing for 100 % maintenance free operation
– Field replaceable lead using Franklin’s exclusive Water Bloc technology with extended jam nut in Stainless steel
– High efficiency electrical design for low operation costs
– Drinking water approvals
– Suitable for use in water with increased salinity
– Electrical Designs: 1 ~ PSC / 2-wire 1~ / 3-wire 1~ / 3~
-
– Ratings: 0.25 – 2.2 kW
– Single phase motor for operation with external run capacitor
– Electrically optimized to offer reliable pump starting over a wide rang
