4-Inch Submersible Motors

4-Inch Submersible Motors

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 our founder, Ed Schaefer, this motor has proven to be the industry’s most trusted residential pump motor.

Franklin offers 4-inch motors in a full line of single- and three-phase voltages, frequencies, and application-specific models. Wherever there is an independent source of clean groundwater, you can find a Franklin motor.

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  • Applications

    • These motors are built for dependable operation in 4” diameter or larger water wells.

    Basic Features

    • Corrosion-resistant stainless steel exterior
    • Stainless steel splined shaft
    • Hermetically-sealed windings
    • StatorShield™ resin system
    • Filter check valve
    • Water lubrication
    • Kingsbury-type thrust bearing
    • Pressure-equalizing diaphragm
    • Built-in lightning arrestors (All single-phase; 200 & 300 V three-phase)
    • Removable water bloc lead
    • Franklin-manufactured control boxes available for single-phase motors
    • UL 778 recognized (North American voltages)
    • CSA certified
    • ANSI/NSF 61 certified
    • Industry standard NEMA mounting dimensions

    Special Features

    • Flow inducer sleeve not required in water up to 86 °F (30 °C) for motors through 2 hp.
    • Two-wire motors are split-phase designs with integral starting components and do not require a control box. They feature Franklin’s patented 2-wire BIAC starting switch which provides Reverse Impact Torque to aid starting in adverse environments and prevents extreme fast cycling (e.g. water logged tank).
    • Three-wire motors through 1 hp use Franklin’s exclusive three-wire QD (Quick Disconnect) Control Box with the patented QD Relay. This relay provides the ultimate in operational life.
    • Single-phase motors can be used with Pumptec products to protect against dry-run and other installation conditions that can damage motors and/or pumps. See Single-phase Protection Devices for details.

    Constant Pressure Options

    • Use Franklin’s MonoDrive controller with 11⁄2 hp three-wire single-phase motors to provide constant water pressure.
    • Three-phase motors can be used with SubDrive controllers to provide constant water pressure.

    Pollution Recovery Option

    • Pollution Recovery motors are equipped for use in monitoring and recovery wells in which hydrocarbons and other chemicals may be present.
    • Special Viton® rubber parts and other chemical resistant materials as listed in Construction Materials chart.
  • 4-Inch 2-Wire Single-Phase Models

    HPDESCRIPTIONVOLTSHZSFLEADMODELSTKTHRUSTWT
    1/3WATER WELL115601.752445020117S30016
    115601.75YES2445029004SYES30016
    230601.752445030117S30016
    230601.75YES2445039004SYES30016
    POLLUTION RECOVERY115601.752445020917S30016
    230601.752445030917S30016
    1/2WATER WELL115601.62445040117S30018
    115601.6YES2445049004SYES30018
    2205012445550117S30018
    230601.62445050117S30018
    230601.6YES2445059004SYES30018
    POLLUTION RECOVERY115601.62445040917S30018
    230601.62445050917S30018
    3/4WATER WELL2205012445570117S30021
    230601.52445070117S30021
    230601.5YES2445079004SYES30021
    POLLUTION RECOVERY230601.52445070917S30021
    1WATER WELL2205012445581203S65024
    230601.42445081203S65024
    230601.4YES2445089003SYES65024
    POLLUTION RECOVERY230601.42445082303S65024
    1.5WATER WELL2205012443591217S65031
    230601.32443091217S65031
    230601.3YES2443099004SYES65031
    POLLUTION RECOVERY230601.32443092317S65031

    4-Inch 3-Wire Single-Phase Models

    HPDESCRIPTIONVOLTSHZSFLEADMODELSTKTHRUSTWT
    1/3WATER WELL115601.752145024416S30017
    115601.75YES2145029004SYES30017
    2205012145534116S30017
    230601.752145034416S30017
    230601.75YES2145039004SYES30017
    POLLUTION RECOVERY115601.752145024916SYES30017
    230601.752145034916SYES30017
    1/2WATER WELL115601.62145044416S30019
    115601.6YES2145049004SYES30019
    2205012145554116SYES30019
    220501YES2145559204SYES30019
    230601.62145054416S30019
    230601.6YES2145059004SYES30019
    POLLUTION RECOVERY115601.62145044916SYES30019
    230601.62145054916SYES30019
    3/4WATER WELL2205012145574116SYES30021
    220501YES2145579204S30021
    230601.52145074416S30021
    230601.5YES2145079004SYES30021
    POLLUTION RECOVERY230601.52145074916SYES30021
    SERIES 600M230601.5YES2145070600SYES30022
    1WATER WELL2205012145581903SYES65024
    220501YES2145589203SYES65024
    230601.42145081203S65024
    230601.4YES2145089003SYES65024
    POLLUTION RECOVERY230601.42145082303SYES65024
    SERIES 600M230601.4YES2145080610SYES65025
    1.5WATER WELL2205012243501903SYES65028
    220501YES2243509203SYES65028
    230601.32243001903SYES65028
    230601.3YES2243009203SYES65028
    230601.32243008600150038
    POLLUTION RECOVERY230601.32243002303S65028
    SERIES 600M230601.3YES2243000610SYES65025
    316 SS230601.3YES2243008502150040
    2WATER WELL2205012243511916SYES65033
    220501YES2243519204SYES65033
    220501YES2243518602150043
    230601.252243011916SYES65033
    230601.25YES2243019204SYES65033
    230601.252243018600150043
    230601.25YES2243018602150043
    POLLUTION RECOVERY230601.252243012316S65033
    SERIES 600M230601.25YES2243010610SYES65029
    SAND FIGHTER230601.15YES2243018802YES150043
    OIL STRIPPER230601.25YES2243018702150046
    316 SS230601.25YES2243018502150045
    3WATER WELL2205012243522504YES90041
    2205012243528600150056
    230601.15224302250490041
    230601.15YES2243022604YES90041
    230601.152243028600150056
    230601.15YES2243028602YES150056
    SERIES 600M230601.15YES2243020620YES90035
    230601.15YES2243020630YES150044
    SAND FIGHTER230601.15YES2243028802YES150056
    OIL STRIPPER230601.15YES2243028702150056
    316 SS230601.15YES2243028502150056
    5WATER WELL2205012243538600YES150071
    230601.152243038600150071
    230601.15YES2243038602YES150071
    SERIES 600M230601.15YES2243030630YES150056
    SAND FIGHTER230601.15YES2243038802YES150071
    OIL STRIPPER230601.15YES2243038702150071
    316 SS230601.152243038502150071

    4-Inch 3-Phase Models

    HPDESCRIPTIONVOLTSHZSFLEADMODELSTKTHRUSTWT
    1/2WATER WELL200601.62345014116S30018
    200601.6YES2345019204S30019
    2205012345514116S30018
    230601.62345114116S30018
    230601.6YES2345119204S30019
    380-4155012345613116SYES30018
    460601.62345213116S30018
    460601.6YES2345219404SYES30019
    POLLUTION RECOVERY200601.62345014916S30018
    230601.62345114916S30018
    460601.62345214916S30018
    3/4WATER WELL200601.52345024116S30021
    200601.5YES2345029204S30022
    2205012345524116S30021
    230601.52345124116S30021
    230601.5YES2345129204S30022
    380-4155012345623116SYES30021
    460601.52345223116S30021
    460601.5YES2345229404S30022
    POLLUTION RECOVERY200601.52345024916S30021
    230601.52345124916S30021
    460601.52345224916SYES30021
    SERIES 600M230601.5YES2345120600SYES30022
    460601.5YES2345220600S30022
    1WATER WELL200601.42345031903S65024
    200601.4YES2345039203S65025
    2205012345534116S65024
    230601.42345131903S65024
    230601.4YES2345139203SYES65025
    380-4155012345633116SYES65024
    460601.42345231603S65024
    460601.4YES2345239403SYES65025
    POLLUTION RECOVERY200601.42345032303S65024
    230601.42345132303S65024
    460601.42345232303S65024
    SERIES 600M230601.4YES2345130610SYES65025
    460601.4YES2345230610S65025
    1.5WATER WELL200601.32345041903S65028
    200601.3YES2345049203SYES65029
    200601.32345048600150033
    220501.3YES2345549003S65028
    230601.32345141903S65028
    230601.3YES2345149203SYES65029
    230601.32345148600150033
    460/38060/501.3/1.02345241603S65028
    460/38060/501.3/1.0YES2345249403SYES65028
    460/38060/501.3/1.02345248600YES150028
    575601.32345341603S65028
    575601.3YES2345349403SYES65029
    575601.32345348600150033
    POLLUTION RECOVERY200601.32345042303S65028
    230601.32345142303S65028
    460/38060/501.3/1.02345242303S65028
    SERIES 600M230601.3YES2345140610SYES65025
    460/38060/501.3/1.0YES2345240610S65025
    316 SS200601.3YES2345048502150040
    230601.3YES2345148502150040
    460/38060/501.3/1.0YES2345248502150040
    575601.3YES2345348502150040
    2WATER WELL200601.252343051618S65033
    200601.25YES2343059204SYES65034
    200601.252343058600150044
    2205012343551916S65033
    230601.252343151618SYES65033
    230601.25YES2343159204SYES65034
    230601.252343158600150044
    460/38060/501.25/1.02343251618SYES65033
    460/38060/501.25/1.0YES2343259404SYES65034
    460/38060/501.25/1.02343258600150044
    460/38060/501.25/1.0YES2343258602150044
    575601.252343351618S65033
    575601.25YES2343359404SYES65034
    575601.252343358600150044
    POLLUTION RECOVERY200601.252343052318S65033
    230601.252343152318S65033
    460/38060/501.25/1.02343252318S65033
    SERIES 600M230601.25YES2343150610SYES65029
    460/38060/501.25/1.0YES2343250610S65029
    316 SS200601.25YES2343058502150044
    230601.25YES2343158502150044
    460/38060/501.25/1.0YES2343258502150044
    575601.25YES2343358502150044
    OIL STRIPPER230601.25YES2343158702150044
    460/38060/501.25/1.0YES2343258702150044
    3WATER WELL200601.15234306250490041
    200601.15YES2343062604YES90041
    200601.152343068600150043
    200601.15YES2343068602YES150044
    220501234356250490041
    2205012343568600150043
    230601.15234316250490041
    230601.15YES2343162604YES90041
    230601.152343168600150043
    230601.15YES2343168602YES150044
    380601.15234346250490041
    380601.15YES2343462604YES90041
    380601.152343468600150043
    380601.15YES2343468602YES150044
    460/38060/501.15/1.0234326250490041
    460/38060/501.15/1.0YES2343262604YES90041
    460/38060/501.15/1.02343268600150043
    460/38060/501.15/1.0YES2343268602YES150044
    575601.15234336250490041
    575601.15YES2343362604YES90041
    575601.152343368600150043
    575601.15YES2343368602YES150044
    SERIES 600M230601.15YES234316062090035
    230601.15YES2343160630YES150044
    460/38060/501.15YES234326062090035
    460/38060/501.15YES2343260630150044
    SAND FIGHTER200601.15YES2343068802150044
    230601.15YES2343168802YES150044
    380601.15YES2343468802150044
    460/38060/501.15/1.0YES2343268802YES150044
    575601.15YES2343368802150044
    316 SS200601.15YES2343068502150044
    230601.15YES2343168502150044
    460/38060/501.15/1.0YES2343268502150044
    575601.15YES2343368502150044
    OIL STRIPPER230601.15YES2343168702150044
    460/38060/501.15/1.0YES2343268702150044
    4WATER WELL3805012343958600150049
    380501YES2343958602150050
    5WATER WELL200601.152343078600150055
    200601.15YES2343078602YES150056
    2205012343578600150055
    230601.152343178600150055
    230601.15YES2343178602YES150056
    380601.152343478600150055
    380601.15YES2343478602YES150056
    460/38060/501.15/1.02343278600150055
    460/38060/501.15/1.0YES2343278602YES150056
    575601.152343378600150055
    575601.15YES2343378602YES150056
    SERIES 600M230601.15YES2343170630YES150056
    460/38060/501.15YES2343270630150056
    SAND FIGHTER200601.15YES2343078802150056
    230601.15YES2343178802YES150056
    380601.15YES2343478802150056
    460/38060/501.15/1.0YES2343278802YES150056
    575601.15YES2343378802150056
    316 SS200601.15YES2343078502150056
    230601.15YES2343178502150056
    460/38060/501.15/1.0YES2343278502150056
    575601.15YES2343378502150056
    OIL STRIPPER230601.15YES2343178702150058
    460/38060/501.15/1.0YES2343278702150058
    5.5WATER WELL460/38060/5012343978600150060
    460/38060/501YES2343978602150061
    7.5WATER WELL200601.152343088600G150070
    200601.15YES2343088602GYES150071
    2205012343588600G150070
    230601.152343188600G150070
    230601.15YES2343188602GYES150071
    380601.152343488600G150070
    380601.15YES2343488602GYES150071
    460/38060/501.15/1.02343288600GYES150070
    460/38060/501.15/1.0YES2343288602GYES150071
    575601.152343388600G150070
    575601.15YES2343388602GYES150071
    SAND FIGHTER200601.15YES2343088802G150071
    230601.15YES2343188802GYES150071
    380601.15YES2343488802G150071
    460/38060/501.15/1.0YES2343288802GYES150071
    575601.15YES2343388802G150071
    316 SS200601.15YES2343088502G150071
    230601.15YES2343188502G150071
    460/38060/501.15/1.0YES2343288502G150071
    575601.15YES2343388502G150071
    OIL STRIPPER230601.15YES2343188702G150071
    460/38060/501.15/1.0YES2343288702G150071
    10WATER WELL380601.15YES2345498602G150077
    460/38060/501.15/1.0YES2345958602GYES150077
    575601.15YES2345988602G150077
    SAND FIGHTER380601.15YES2345498802G150077
    460/38060/501.15/1.0YES2345958802GYES150077
    575601.15YES2345988802G150077
    316 SS460/38060/501.15YES2345958502G150077
    OIL STRIPPER460/38060/501.15YES2345958702G150077
    15WATER WELL460/38060/501.15/1.0YES23462689943500115
  • 4-Inch 2-Wire Leads

    HPDESCRIPTIONWIREMODELWT
    All 4"LEAD, INDIVIDUAL XLPE, 303SS, 48 IN, GROUNDAWG 141525529051
    LEAD, INDIVIDUAL XLPE, 303SS, 100 IN, GROUNDAWG 141525529061
    LEAD, INDIVIDUAL NITRILE, 316SS, 48 IN, NO GROUNDAWG 14152328905*1
    LEAD, INDIVIDUAL NITRILE, 316SS, 100 IN, NO GROUNDAWG 14152328906*1

    4-Inch 3-Wire Leads - Jam Nut Style

    HPDESCRIPTIONWIREMODELWT
    All 4"LEAD, INDIVIDUAL XLPE, 303SS, 48 IN, GROUNDAWG 14152553905<1
    LEAD, INDIVIDUAL XLPE, 303SS, 100 IN, GROUNDAWG 14152553906<1
    LEAD, INDIVIDUAL NITRILE, 316SS, 48 IN, NO GROUND *AWG 14152255901<1
    LEAD, INDIVIDUAL NITRILE, 316SS, 100 IN, NO GROUND *AWG 14152255902<1
    LEAD, INDIVIDUAL NITRILE, 316SS, 160 IN, NO GROUND *AWG 14152255904<1
    LEAD, INDIVIDUAL NITRILE, 316SS, 30 FT, NO GROUND *AWG 141522559065
    LEAD, INDIVIDUAL NITRILE, 316SS, 50 FT, NO GROUND *AWG 141522559075
    LEAD, INDIVIDUAL NITRILE, 316SS, 100 FT, NO GROUND *AWG 141522559109
    LEAD, INDIVIDUAL NITRILE, 316SS, 150 FT, NO GROUND *AWG 1415225591214

    4-Inch 3-Wire Leads - Clamp Style

    HPDESCRIPTIONWIREMODELWT
    All 4"LEAD, INDIVIDUAL XLPE, 316SS, 48 IN, GROUND AWG 14152735911<1
    LEAD, INDIVIDUAL XLPE, 316SS, 100 IN, GROUND AWG 141527359411
    LEAD, INDIVIDUAL NITRILE, 316SS, 100 IN, NO GROUND *AWG 14152744902<1
    LEAD, INDIVIDUAL NITRILE, 316SS, 160 IN, NO GROUND *AWG 14152744904<1
    LEAD, INDIVIDUAL NITRILE, 316SS, 50 FT, NO GROUND *AWG 141527449075
    LEAD, INDIVIDUAL NITRILE, 316SS, 100 FT, NO GROUND *AWG 141527449109

    4-Inch Accessories

    HPDESCRIPTIONMODELWT
    All 4"COUPLING, 4-INCH, #416 SS, 3/16 x 1/8 x 1 3/8 KEY1515519111