Products
LEO 3XRm4/12-0.55
LEO 3XRm4/12-0.55 submersible borehole pump
For water supply from wells or reservoirs, domestic and industrial water supply, and irrigation. Range photograph shown; confirm the supplied assembly.
Model specifications
| Rated motor output P2 | 0.55 kW |
|---|---|
| Supply | Single-phase 220–240 V, 50 Hz |
| Performance table reference speed | Approximately 2850 rpm |
Published model hydraulic points
| Flow (m³/h) | Head (m) |
|---|---|
| 0 | 49 |
| 0.6 | 49 |
| 1.2 | 48 |
| 1.8 | 47 |
| 2.4 | 45 |
| 3 | 42 |
| 3.6 | 37 |
| 4.2 | 32 |
| 4.8 | 25 |
| 5.4 | 15 |
Shut-off head is not the operating duty; select against the required flow and total dynamic head.
Individual hydraulic curve and dimensional reference
The curve joins the exact published hydraulic table points by straight lines; no performance outside that data is assumed.
Model dimensions and connections
| P - pump length | 596 mm |
|---|---|
| M(s) - single-phase motor length | 361 mm |
| T(s) - overall length | 957 mm |
| Standard outlet DN | 1¼″ |
| Optional outlet DN | 1″ or 1½″; confirm selected outlet |
| Pump / motor / assembly mass | 2.4 / 6.4 / 8.8 kg |
Dimensions are the published LEO European single-phase reference for this model. Confirm the supplied motor, outlet, cable length and control-box configuration before installation; regional assemblies may differ. Manufacturer outline is not to scale.
Operating conditions
Maximum liquid temperature 35°C; maximum sand content 0.25%; maximum immersion 150 m subject to the selected assembly and installation. Three-inch borehole family: check actual casing clearance against the pump, cable and joint dimensions. IP68 enclosure and class F insulation are specified in the range sheet. Confirm correct motor protection and control equipment for the supplied unit.

