Leo LKSM550A / 0.55KW 230V Booster-Peripheral Self-Priming Pump And Motor
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Introducing the LEO LKSm550A, a robust self-priming peripheral pump engineered for reliable water transfer in residential and light commercial applications. This compact unit excels in small-scale water supply systems, automatic irrigation setups, and air conditioning support equipment, delivering consistent performance for transferring clean water and similar liquids with minimal maintenance.
Built with durability in mind, the LKSm550A features a 2-liter pressure tank that enables fully automatic operation, while its brass impeller and AISI 304 stainless steel shaft resist corrosion even in demanding environments. The single-phase motor incorporates a copper winding with integrated thermal protection and operates at low noise levels thanks to long-life bearings, making it ideal for domestic installations where quiet, dependable performance is essential.
At a glance
Power: 0.55 kW (0.75 HP)Supply: 230 V single-phase, 50 HzMax. head: 45 mMax. flow: 2.7 m³/h (45 l/min)Connections: 1"Specifications
| Brand | Leo |
| Model | LKSM550A |
| Type | LKSm..A Self-priming Peripheral Pump with 2L tank |
| Motor power | 0.55 kW (0.75 HP) |
| Supply | 230 V single-phase, 50 Hz |
| Inlet / outlet | 1" |
| Shut-off head | 45 m |
| Flow range | 0 – 2.7 m³/h (0 – 45 l/min) |
| Dimensions (W × L × H) | 21.5 × 29 × 30.5 cm |
| Weight | 12 kg |
| Item code | LKSM550A(220V) |
Performance Table
| Flow Q (m³/h) | 0 | 0.3 | 0.6 | 0.9 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 2.7 |
|---|---|---|---|---|---|---|---|---|---|---|
| Flow Q (l/min) | 0 | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 |
| Head H (m) | 45 | 40 | 35 | 30 | 25 | 20 | 15 | 10 | 8 | 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 LKSM550A:
Leo LKSm..A Self-priming Peripheral Pump with 2L tank – Performance Curves and Technical Data (01-DOMESTIC PUMP catalogue p16)
313 kB | Download
Applications
- Can be used to transfer clean water or other liquids similar to water in physical and chemical properties
- Suitable for small living water supply, automatic water sprinkler system, small air conditioner system or supporting equipment etc.
Pump
- With 2L pressure tank for automatic operation
- Special anti-rust treatment
- Brass impeller
- AISI 304 shaft
- Max. liquid temperature: +60 degC
- Max. suction: +9 m
Motor
- Low noise&Long life bearing
- Cooper winding
- Built-in thermal protector
- Insulation class: F
- Enclosures class: IPX4
- Max. ambient temperature: +50 degC
Model Code: LKSM550A(220V)
- L - LEO Product Style
- K - Peripheral Pump
- S - Self-priming
- m - Single Phase Motor
- 350 - Power (W)
- A - Air Tank
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 LKSM550A?
The Leo LKSM550A has a maximum head of 45 m.
How much water can the Leo LKSM550A pump?
The Leo LKSM550A pumps up to 2.7 m³/h (45 l/min).
What power supply does the Leo LKSM550A need?
Supply: 230 V single-phase, 50 Hz. Motor power: 0.55 kW (0.75 HP).
What are the pipe connections of the Leo LKSM550A?
1".
