Products
LEO AC75
0.75 kW three phase clean-water centrifugal pump. Individual hydraulic curve below. Installation dimensions require confirmation. Price and availability by enquiry.
LEO AC75 Centrifugal Pump
For clean-water transfer, irrigation, circulation and pressure boosting. Match the required flow and total dynamic head to this model's curve. Product photograph represents the range; configuration varies by model.
| Model | AC75 |
|---|---|
| Motor power | 0.75 kW |
| Motor phase | Three phase |
| Head at zero flow | 36 m |
| Last tabulated duty point | 6 m³/h at 16 m |
| Suction / discharge | 1 inch / 1 inch |
| Pump body | Cast iron with anti-rust treatment |
| Shaft | AISI 304 stainless steel |
| Maximum liquid temperature | 60 °C |
| Insulation / enclosure | Class F / IPX4 |
Motor has copper windings; single-phase versions include thermal protection. The series lists up to 8 m suction lift; achievable lift depends on altitude, water temperature and pipe losses. Confirm supply voltage, frequency and local availability before ordering. Shut-off head is at zero flow and is not a recommended operating duty.
AC75 hydraulic performance
Redrawn from LEO's published technical table. Dots show published values; straight lines interpolate. No extrapolation beyond the published points.
AC75 published flow and head values
| Flow (m³/h) | Head (m) |
|---|---|
| 0 | 36 |
| 0.6 | 35 |
| 0.9 | 34 |
| 1.2 | 33.5 |
| 1.8 | 33 |
| 2.4 | 32 |
| 3 | 31 |
| 3.6 | 29 |
| 4.2 | 27 |
| 4.5 | 26 |
| 4.8 | 23.5 |
| 5.4 | 20 |
| 6 | 16 |
AC75 installation dimensions
The manufacturer sheet does not give a separate dimensional row for AC75. Ask Krächtig to confirm the drawing for the supplied three-phase version before setting out mounting holes or pipework.

