Leo 300WQ800-11-37 / 37KW 400V Submersible Sewage Pump And Motor 4 Pole
13850
The LEO 300WQ800-11-37/4 is a robust submersible sewage pump designed for demanding wastewater drainage applications across industrial, commercial, and municipal environments. Built specifically for factories, construction sites, sewage treatment plants, and residential drainage stations, this versatile pump handles the toughest pumping challenges while delivering reliable performance in field irrigation and biogas systems. With power ratings from 0.25 kW to 22 kW, the WQ series adapts to projects of any scale, from small-property drainage to large-scale municipal infrastructure.
Engineered with a durable PN6 or optional PN10 pump body and equipped with copper-wound motors rated IP68 for complete submersion protection, this sewage pump excels in corrosive and abrasive conditions. The advanced design accommodates solids up to 80 mm in diameter and operates effectively in liquids with pH levels between 4 and 10, making it ideal for handling raw sewage, industrial wastewater, and slurries with varying densities up to 1.3 times that of water. Available with flexible hose or flange connections and capable of immersion depths to 10 meters, the 300WQ800-11-37/4 delivers exceptional durability and operational flexibility for demanding drainage applications.
At a glance
Power: 37 kW (50 HP)Supply: 400 V three-phase, 50 HzMax. head: 24.9 mMax. flow: 1050 m³/h (17500 l/min)Connections: Outlet 12"Specifications
| Brand | Leo |
| Model | 300WQ800-11-37 |
| Catalogue model | 300WQ800-11-37/4 (same hydraulics) |
| Type | WQ Submersible Sewage Pump 300WQ 1450 rpm |
| Motor power | 37 kW (50 HP) |
| Supply | 400 V three-phase, 50 Hz |
| Speed | 1450 rpm |
| Connection | Outlet 12" |
| Max. solids passage | 90 mm |
| Shut-off head | 24.9 m |
| Flow range | 0 – 1050 m³/h (0 – 17500 l/min) |
| Dimensions (W × L × H) | 72 × 86 × 159 cm |
| Weight | 638 kg |
| Item code | 300WQ800-11-37(4P) |
Performance Table
| Flow Q (m³/h) | 0 | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 | 1050 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flow Q (l/min) | 0 | 1667 | 3333 | 5000 | 6667 | 8333 | 10000 | 11667 | 13333 | 15000 | 16667 | 17500 |
| Head H (m) | 24.9 | 22.7 | 21 | 19.6 | 18.3 | 17.1 | 15.6 | 13.8 | 11.6 | 8.9 | 5.4 | 3.3 |
Head at each flow rate from the manufacturer's technical data. For a duty-point check use the Get a Quote wizard below.
Performance Curves and Technical Data (PDF)
Download the curve sheet with the performance curves, dimensions and technical data for the Leo 300WQ800-11-37:
Leo WQ Submersible Sewage Pump 200WQ / 300WQ (1450 rpm) – Performance Curves and Technical Data (03-SUBMERSIBLE PUMP catalogue p14, 15)
959 kB | Download
Applications
- Wastewater drainage in factories, construction sites and commercial facilities
- Drainage system in municipal sewage treatment plants
- Drainage station in residential quarters
- Municipal projects
- Methane pools and field irrigation in countryside
Pump
- Max. immersion depth: 10 m
- 0.25-4kw, Standard PN6 pump body with hose coupling
- 5.5-7.5kw, Standard PN6 pump body with hose coupling, optional PN10 pump body, without hose coupling
- 11-22kW, Standard PN10 pump body, without hose coupling, optional PN6 pump body with hose coupling
- Can be equipped with hose connection can choose flange connection
- Cable Length: 10m (under 30kW), 8m (30~45kW)
- Max. liquid temperature: up to +40 degC
- Liquid PH value: 4 - 10
- Max.liquid density: 1.3x103 kg/m3
- Allowed by the particle diameter: 20 - 80 mm
- Single phase optional
Motor
- Copper winding
- Insulation class: F
- Enclosures class: IP68
- Motor protection: 0.25 - 4kW(5.5kW and above need control cabinet)
- 0.25-4kW: Star connection; 5.5-37kW: Delta connection; 45kW: Star-triangle connection
Model Code: 300WQ800-11-37(4P)
- 65 - Outlet Diameter (mm)
- WQ - Submersible Sewage Pump
- D - Single Phase (Three phase without D)
- 15 - Rated Flow (m3/h)
- 10 - Rated Head (m)
- 1.1 - Rated Power (kW)
- (M) - Threaded pump body (0.25 - 2.2kw optional)
- (A) - Automatic Operation With Float Switch(Power<=1.1kw)
- (/4) - four pole motor, without is two pole motor
Need help choosing or want a price?
Our pump team will check the right size for your flow and head and give you a quote.
WhatsApp us: 082 516 2248 Get a Quote / Size my pump info@pumps.co.za
Frequently Asked Questions
What is the maximum head of the Leo 300WQ800-11-37?
The Leo 300WQ800-11-37 has a maximum head of 24.9 m.
How much water can the Leo 300WQ800-11-37 pump?
The Leo 300WQ800-11-37 pumps up to 1050 m³/h (17500 l/min).
What power supply does the Leo 300WQ800-11-37 need?
Supply: 400 V three-phase, 50 Hz. Motor power: 37 kW (50 HP).
What are the pipe connections of the Leo 300WQ800-11-37?
Outlet 12".
