Grundfos SP 3A-9 Submersible Borehole Pump – 10007409 (1 x 240V, MS402/RSIR Motor)
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Submersible borehole pump, suitable for pumping clean water. Can be installed vertically or horizontally. All steel components are made in stainless steel, EN 1.4301 (AISI 304), that ensures high corrosive resistance. This pump carries drinking water approval. The pump is fitted with a 0.55 kW MS402 motor with sand shield, lip seal, water-lubricated journal bearings and a volume compensating diaphragm. The motor is a canned type submersible motor offering good mechanical stability and high efficiency. Suitable for temperatures up to 40 °C. The motor is not fitted with a temperature sensor. If temperature monitoring is desired, a Pt1000 sensor can be fitted. The motor is for direct-on-line starting (DOL).
Key Specifications:
| Product Name | SP 3A-9 |
| Product No. | 10007409 |
| EAN | 5700390303020 |
| Rated Flow | 3 m³/h |
| Rated Head | 40 m |
| Pump Speed | 2900 rpm |
| Stages | 9 |
| Motor Type | MS402 (RSIR, 1-phase) |
| Rated Power | 0.55 kW |
| Voltage / Frequency | 1 × 240 V / 50 Hz |
| Rated Current | 5.5 A |
| Starting Current | 770 % |
| Power Factor | 0.74 |
| Rated Speed | 2860 rpm |
| Start Method | Direct-on-line |
| Enclosure / Insulation Class | IP68 / Class B |
| Liquid Temperature Range | -15 °C to 40 °C |
| Max Operating Pressure | 15 bar |
| Connection Size | Rp 1 1/4 inch |
| Minimum Borehole Diameter | 105 mm |
| Material | Stainless Steel EN 1.4301 (AISI 304) |
| Net Weight | 11.9 kg |
Documentation & Downloads:
| Document | Download |
|---|---|
| Flow Sleeves (Quick Guide) | 📄 Download PDF |
| Pt100, Pt1000 (Quick Guide) | 📄 Download PDF |
| Cathodic Protection (Quick Guide) | 📄 Download PDF |
| SP (Safety Instructions) | 📄 Download PDF |
| SP (Installation & Operation Instructions) | 📄 Download PDF |
| SP A, SP – Submersible Pumps, Motors & Accessories (Data Booklet) | 📄 Download PDF |