400LPM –6.6LPS at 12m head Pentax Bore Pump – 3 Phase – 4S400-08

400LPM –6.6LPS at 12m head Pentax Bore Pump – 3 Phase – 4S400-08

400LPM –6.6LPS at 22m head Pentax Bore Pump – 3 Phase – 4S400-13

400LPM –6.6LPS at 22m head Pentax Bore Pump – 3 Phase – 4S400-13

400LPM –6.6LPS at 18m head Pentax Bore Pump – 3 Phase – 4S400-11

4S400-11 Pentax 3 phase 4hp / 3kw bore pump
In stock

Pentax 4″Bore Pump with Franklin Electric motor assembly.

Assembly includes pump & motor.

***Note– Even though this pump is rated at 400LPM, this is its maximum flow.
This pump operates best at:
350LPM @ 25m head
300LPM @ 34m head
250LPM @ 42m head

This 4S400-11 has a 3kw / 4hp 3 Phase Franklin Electric motor.
The 3 phase motor does require a contactor/starter box which will need to be purchased separately.

There are other bore pump accessories that you will need when you install your bore pump which include bore cap, drop cable, support cable, riser pipe, pressure gauge, etc.  These are listed below

Please be sure that your pump and accessory selection is correct before you purchase as the onus is on you. This is why I have included suggestions below with links, to ensure you select the correct size accessories for this model pump.


Options to purchase with your kit to suit this pump

Bore Cap

Bore Caps are available with different size discharge threads.  Your pipe and adaptor size is what will determine what size discharge thread it will need to connect with. Please keep this in mind when selecting your bore cap.


Splice Kit

The splice kit is used to join the motor cable to the electrical drop cable. The splice kit makes a waterproof join


Pump Shroud

A pump shroud is needed to cool the motor and is only required if you are installing a 4″ pump down 6″ or larger casing. A shroud adapter is also available on this site.


Electrical Cable
3 Phase Cable 3-wire/4 core submersible drop cable is required. However, you must check with your electrician on cable size. He will do volt drop calculations to meet site requirements to comply with AS.


Stainless Steel Support Cable – Available in 3mm cable or 4mm cable.


Stainless Steel Support Cable Grips/Clamps – Available in 3mm or 4mm to suit S/S Cable.


Pressure Gauges Liquid Filled 63mm – Available in 0-800kPa, 0-1000kPa, 0-1600kPa & 0-2500kPa pressure ratings.


Flexible Riser Pipe
– Series 100 is for depths up to 100.The sizes are 32mm and 50mm internal diameter.
– Series 200 is for depths up to 250m. The sizes range from 40mm to 200mm internal diameter.
– As well as the couplings, ties and joiners.


Installation Roller
The installation roller is a device that fits on the top of the bore casing.  The rollers make it easy to lift and lower the bore pump down the borehole.


Three 3 Phase Motor Protection
The motor protection device for a 3 phase bore pump motor is the Franklin SubMonitor for 2.2kw to 150kw motors.



There is a 2 year warranty with the Pentax bore pumps and Franklin Electric motors.

More Information
Motor Size 3kw / 4hp
Phase Three 3 Phase
Rated Flow (LPM) 400
Size 4" Inch
Discharge (mm) 50mm - 2"
Brand Pentax
Warranty Period 2 Years
Write Your Own Review
You're reviewing:400LPM –6.6LPS at 18m head Pentax Bore Pump – 3 Phase – 4S400-11

No Related Posts

Products from the same brand