Products
LEO SQm50SA
LEO SQm50SA stainless steel 0.37 kW single-phase drainage pump. Rated duty 8.5 m³/h at 7 m head. Float-switch control.
LEO SQm50SA — technical information
Application
Stainless steel submersible drainage pump for clean water. Applications include well-water lifting, irrigation, garden watering, river-water intake, aquaculture and swimming-pool drainage, subject to the liquid conditions and duty point.
Model specifications
| Motor output power | 0.37 kW / 0.5 HP |
|---|---|
| Motor phase | Single phase (m designation) |
| Supply voltage | Confirm the supplied motor nameplate; voltage is not specified in this technical sheet. |
| Rated duty point | 8.5 m³/h at 7 m head |
| Maximum flow | 14.5 m³/h |
| Maximum head | 10 m |
| Maximum particle diameter | 10 mm |
| Maximum immersion depth | 5 m |
| Maximum liquid temperature | 50 °C |
| Residual water level | 20 mm |
Maximum flow and maximum head are separate limits, not one operating duty point. Manufacturer data is for reference; confirm the required duty before selection.
Automatic operation
SA version uses a float switch to start and stop automatically and includes dry-run protection. Installation must allow the float to move freely.
Pump and motor construction
| Casing | Stainless steel |
|---|---|
| Shaft | Stainless steel welded shaft |
| Motor windings | Copper |
| Motor protection | Built-in overcurrent protector |
| Insulation class | F |
| Enclosure protection | IPX8 |
SQm50SA hydraulic performance
The curve reproduces the manufacturer’s 50 model line from the LEO SQm-SA/SE 2025 V1.0 sheet. Only this model’s line is displayed. The SA and SE versions share this hydraulic line; their automatic controls differ. The published curve stops at the manufacturer’s plotted endpoint.
SQm50SA dimensions and drawing
| Discharge DN | G1¼ (1¼-inch threaded outlet) |
|---|---|
| Height H | 313 mm |
| Width W | 151 mm |
| Body dimension B | Not listed for the SA version |
The manufacturer’s SA outline is shown with this model’s listed dimensions. Confirm installation clearances before ordering.