Products
LEO 4XRm3/22-1.5
LEO 4XRm3/22-1.5 submersible borehole pump
For water supply from wells or reservoirs, domestic and industrial water transfer, and irrigation. Range photograph shown; confirm the supplied pump, motor and control equipment.
Model specifications
| Rated motor output | 1.5 kW |
|---|---|
| Supply | Single-phase 220–240 V, 50 Hz |
| Performance table reference speed | Approximately 2850 rpm |
Individual hydraulic curve and dimensional reference
The curve joins the exact published local hydraulic table points by straight lines. No performance outside those points is assumed. Shut-off head is not the operating duty; select against required flow and total dynamic head.
Published hydraulic points
| Flow (m³/h) | Head (m) |
|---|---|
| 0 | 154 |
| 0.6 | 149 |
| 1.2 | 144 |
| 1.8 | 140 |
| 2.4 | 131 |
| 3 | 116 |
| 3.6 | 95 |
| 4.2 | 72 |
| 4.8 | 42 |
Model dimensions and connections
| P - pump length | 821 mm |
|---|---|
| M(s) - single-phase motor length | 439 mm |
| T(s) - overall length | 1260 mm |
| Standard outlet DN | 1¼ inch |
| Optional outlet DN | 1½ inch; confirm selected outlet |
Dimensions are the LEO European single-phase reference for this model. Confirm the supplied motor, outlet, cable length, control-box configuration and assembly clearance before installation; regional assemblies may differ. Manufacturer outline is not to scale.
Source identification note: the hydraulic and dimension tables identify this model as /22-1.5, while the multi-model curve illustration uses /21-1.5. This page uses the exact /22-1.5 table row and its tabulated points. Confirm the supplied nameplate and duty before ordering.
Operating conditions
Published range limits: maximum liquid temperature 35°C; maximum sand content 0.25%; maximum immersion 150 m, subject to the supplied assembly and installation. Four-inch borehole family: check actual casing clearance against the pump, cable and joints. The range sheet specifies IP68 enclosure and class F insulation. Confirm appropriate motor protection and control equipment.

