3" Stainless Steel Submersible Pump
3" Stainless Steel Submersible Pump
Series: 3SPSC · RN3CSA full stainless-steel 3-inch centrifugal pump built for very high head and long life in harsh water.
Key features
- 304 stainless impellers & body
- High-efficiency multistage hydraulics
- Corrosion & sand resistant
- AC/DC hybrid controller option
Typical specifications
| Model / Series | 3SPSC · RN3CS |
|---|---|
| Models | 9 models |
| Power | 300 – 4000 W |
| Max head | up to 288 m |
| Max flow | up to 4.5 m³/h |
| Outlet | 1.25″ |
| Panel input | DC 36 – 288 V |
Specifications are representative ranges. Exact model specifications are confirmed on quotation to suit your site.
What the 3SPSC · RN3CS Offers
Typical Applications
- Household & village drinking water
- Livestock & game watering
- Agriculture & drip irrigation
- Fountains & garden watering
- Remote & off-grid water supply
Advantages & Protection
- MPPT — Maximum Power Point Tracking
- RMS — Remote Monitoring System (optional)
- Adjustable pump speed
- Dry-run protection
- Over- / under-voltage protection
- Over- / under-current protection
- Over-temperature protection (max 88°C)
- Reverse-polarity / reverse-wiring protection
- Soft start & soft stop
- LCD display of all live data
- Automatic stop / restart on water level
- Wireless water-level detector option (up to 3 km)
Build & Materials
| Motor windings | 100% copper |
|---|---|
| Impellers | AISI 304 stainless steel |
| Silicon steel | Cold-rolled |
| Pump body & shaft | AISI 304 stainless steel |
| Bearings | C&U / NSK |
| Outlet | AISI 304 stainless steel |
| Mechanical seal | NBR |
| Seal lubricant | Food-grade oil |
Motor: Maintenance-free brushless DC (BLDC) motor with integrated DSP & MPPT, dry-running protection, battery operation with low-voltage disconnect, and overload / high-temperature protection.
Free accessories: water-level sensors, cable connector and ropes.
Full Model Range — 3SPSC · RN3CS
Complete series specifications and matched solar array.
| Model | Volt (V) | Power (W) | Power (HP) | Max Flow | Max Head | Outlet | Recommended Solar Panel |
|---|---|---|---|---|---|---|---|
| 3SPSC4.0/50-D36/300 | 36 | 300 | 0.50 | 4.0m³/h | 50m | 1.25" | 1 × 400 W · 36 V |
| 3SPSC4.0/68-D48/500 | 48 | 500 | 0.75 | 4.0m³/h | 68m | 1.25" | 2 × 400 W · 36 V |
| 3SPSC4.5/80-D72/750 | 72 | 750 | 1.00 | 4.5m³/h | 80m | 1.25" | 2 × 550 W · 41 V |
| 3SPSC4.5/123-D110/1100 | 110 | 1100 | 1.50 | 4.5m³/h | 123m | 1.25" | 3 × 500 W · 41 V |
| 3SPSC4.5/138-D110/1300 | 110 | 1300 | 2.00 | 4.5m³/h | 138m | 1.25" | 3 × 550 W · 41 V |
| 3SPSC4.5/160-D110/1500 | 110 | 1500 | 2.20 | 4.5m³/h | 160m | 1.25" | 4 × 500 W · 41 V |
| 3SPSC4.5/186-D252/2200 | 252 | 2200 | 2.20 | 4.5m³/h | 186m | 1.25" | 6 × 500 W · 41 V |
| 3SPSC4.5/238-D288/3000 | 288 | 3000 | 2.20 | 4.5m³/h | 238m | 1.25" | 8 × 500 W · 41 V |
| 3SPSC4.5/288-D288/4000 | 288 | 4000 | 2.20 | 4.5m³/h | 288m | 1.25" | 8 × 650 W · 41 V |
Recommended solar panel is the minimum array (input solar power > pump rated power × 1.3). Exact specifications confirmed on quotation.
More Submersible Solar Pumps
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