0.37kw/0.5hp Franklin 4 inch Submersible Motor – 1 Phase 3w-PSC

$500.00 $450.00

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SKU: 2548151621A Category:


Franklin 3-w PSC single 1 phase submersible motor.

4-inch Encapsulated Super Stainless motor.

Premium motor protection system protects the motor against overload, underload, overheating and rapid cycling.
The Franklin Electric PSC motor is a single phase motor for operation with run capacitor. Capacitor and motor overload protection are in the Franklin Electric Substart SC Control Boxes. The motor is connected to only one capacitor which works permanently as start and run capacitor.

Application Franklin Electric 4″ water lubricated, encapsulated PSC Motors, for operation with permanent split capacitor and overload. This motor is built for dependable operation in 4″ diameter or larger water wells, by good low voltage behavior and a high starting torque. It is fitted with water lubricated radial and thrust bearings for a maintenance-free operation. The motor is filled with a special fluid, providing frost protection down to -15ºC. A special diaphragm ensures pressure compensation inside the motor.

• Hermatically sealed stator, anti tracking, self healing stator resin prevents motor burn out
• High efficiency electrical design for lower operating cost
• Cable material according to drinking water regulations (VDE/ACS/KTW approved)
• Removable Water Bloc lead connector
• Water Lubrication and non contaminating FES93 filling liquid
• Built In Lightning Arrestors
• Built In Overloads

Technical Specifications:
• 3 w-PSC motors, 1 phase: 0.37kW
• 4″ NEMA flange
• Rotation 1 phase: CCW facing shaft end
• Protection: IP68
• Insulation: Class B
• Rated ambient temperature: 30°C
• Cooling flow: min. 8 cm/sec or 0.8 m/s
• Starts per hour: max.20, equally distributed
• Installation: vertical to horizontal, shaft upwards
• 1 Phase Voltage tolerance 50 Hz: -10% / +6% at 230 V/50 Hz
• 1 and 3 Phase Motor protection: Select thermal overloads according to EN/DIN 61947-4-1, trip class 10 or 10A, trip time <10s at 5 x IN
• Lip seals on Super Stainless motors, 0.25 to 2.2 kW
• Leads fitted: up to 1.5 kW x 1.5 metre lead
• Matching FE Substart Control Box/Starters for all 3 Wire PSC 1 phase motors
• Motor warranty void if Franklin Electric 1 phase Substart control box/starters not used
• All motors pre-filled and 100%tested
• Non contaminating, water-filled design

Additional information

Weight 8.2 kg
Dimensions 24.2 x 9.5 x 24.2 cm

Franklin Electric



Power Type

Single 1 Phase

Motor Type

Franklin 3w-PSC 1 Phase

Order Number


Warranty Period

2 Years

kW / Hp

0.37 / 0.5


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