Grundfos SQ 3-55 N Submersible Pump - 96160421
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3" multi-stage submersible pump designed for domestic water supply, liquid transfer in tanks, irrigation, and environmental applications. The pump features floating impellers, each supported by a durable tungsten carbide/ceramic bearing.
The pump is equipped with soft start functionality and integrated protection against dry-running, upthrust, overvoltage, undervoltage, overload, and overtemperature.
The motor is a single-phase permanent magnet rotor type, ensuring high efficiency across a wide load range. It includes a replaceable end cover with socket for ease of service.
Suitable for:
- Domestic groundwater intake
- Domestic water pressure boosting
- Groundwater intake
- Submersible pump installations
Product Details
| Product name | SQ 3-55 N |
| Product number | 96160421 |
| EAN | 5700398875178 |
| Pump number | 96080731 |
| Motor number | 96160859 |
| Model | C |
| Non-return valve | Built-in |
| Sales region | Australia |
Performance
| Rated flow | 3 m³/h |
| Rated head | 56 m |
| Number of stages | 4 |
| Rated speed | 10,700 rpm |
| Curve tolerance | ISO 9906:2012 3B |
Liquid
| Pumped liquid | Water |
| Liquid temperature range | 0°C to +35°C |
| Reference temperature | 20°C |
| Density | 998.2 kg/m³ |
Materials
| Pump | Stainless steel (EN 1.4401 / AISI 316) |
| Impeller | Composite (ZYTEL 70G30 HSLR PA6.6-GF30) |
| Motor | Stainless steel (DIN W.-Nr. 1.4401 / AISI 316) |
Installation
| Maximum operating pressure | 15 bar |
| Outlet connection | Rp 1 1/4 |
| Minimum borehole diameter | 76 mm |
Electrical Data
| Motor type | MS3 N |
| Power input (P1) | 1.55 kW |
| Rated power (P2) | 1.15 kW |
| Pump required power (P2) | 0.89 kW |
| Supply voltage | 1 × 200-240 V |
| Frequency | 50 Hz |
| Rated current | 8.4 A |
| Power factor | 1.00 |
| Start method | Direct-on-line |
| Enclosure class | IP68 |
| Insulation class | F |
| Motor protection | Built-in |
| Thermal protection | Internal |
| Cable length | 1.5 m |
| Controls | CU 300 / CU 301 (no communication) |
Approvals
| Certifications | CE, PCBC, RCM, EAC, CN RoHS Exempt, Morocco, UKCA, SEPRO |
Weight & Shipping
| Net weight | 5.4 kg |
| Gross weight | 6.1 kg |
| Shipping volume | 0.0094 m³ |
Documentation & Downloads:
| Document | Download |
|---|---|
| SQ, SQE - Installation & Operating Instructions | 📄 Download PDF |
| SQ, SQE, SQFlex - Safety Instructions | 📄 Download PDF |
| SQ, SQE, SQE-NE - Data Booklet | 📄 Download PDF |
| SQ, SQE - Service Kit Catalogue | 📄 Download PDF |
| SQ, SQE, SQ-N, MS 3 MSE 3 - Service Instructions (Model A) | 📄 Download PDF |
| SQ, SQE, SQ-N, MS 3, MSE 3 - Service Instructions (Model B) | 📄 Download PDF |