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SKU: ZN646/3-3N
Lowara ZN646/3-3N Stainless Steel 4kW Deep Well 6" Submersible Pump with Radial Flow Impeller
Australia-Wide
(08) 9240 2992
Official Lowara
Peace of Mind
Product Overview
Agricultural irrigation networks and municipal water supply systems require pumps that combine high flow capacity with reliable performance. The Lowara ZN646/3-3N features a 6-inch wet end with 6-inch motor and NEMA coupling, delivering 1000 L/Min for demanding water transfer applications. The hydraulic stages ensure stable output across varying duty cycles.
All wetted components are constructed from AISI 316 stainless steel, providing long-term corrosion resistance in aggressive groundwater environments. The impeller and diffuser arrangement includes a removable wear ring for maintenance convenience, while the integrated non-return valve prevents water column reversal. The suction strainer limits sand ingress to 100 grams per cubic metre, protecting internal clearances.
Powered by a 4 kW three-phase motor at 415V, the pump draws 9.89 Amps and achieves 31 metres of shut-off head. Flow capacity is 1000 L/Min through the 80 mm discharge outlet. Performance testing to EN ISO 9906 Grade 3B ensures reliable operation across the full duty range.
Submersion depths up to 350 metres are supported by Class F insulation and IP68 protection. The Duplex stainless steel shaft provides mechanical strength for continuous operation, while AISI 316L tie rods offer additional structural support. NEMA motor compatibility simplifies assembly, and safety hook holes facilitate installation.
Z = 6" wet end with 6" Lowara L6C motor
FEATURES- Discharge head features pre-drilled holes for safety hook attachment
- Shaft utilizes Duplex stainless steel UNS S 31803 metallurgy
- Bracing tie rods are built from AISI 316L stainless steel
- Mechanical coupling component is replaceable for standard servicing
- Suction strainer uses AISI 316L stainless steel mesh
- Flange assembly conforms to standard NEMA motor connections
* Motor and pump supplied separately - requires assembly
SPECIFICATIONS
| Max Flow | 1000 L/Min |
| Max Head | 31 m |
| Power | 4 kW / 415v |
| Rated Current | 9.89 Amps |
| Suitable For | Borehole Water Supply |
| Body Material | Stainless Steel |
| Liquid Temperature | Maximum 60°C |
| Outlet Size | 80 mm |
| Warranty | 12 Months |
Warranty & Returns
All products supplied by Foundation Pumps are covered by a minimum 12-month warranty unless otherwise stated. Some brands may offer longer manufacturer warranties. Warranty covers manufacturing defects, faulty materials and workmanship under normal use.
- Products must be installed correctly and in accordance with the manufacturer’s instructions.
- Warranty does not cover incorrect installation, misuse, dry running, normal wear and tear, unauthorised repairs or damage caused by external factors.
- Proof of purchase, photos, videos and installation details may be requested when assessing a warranty claim.
- The customer is responsible for returning the product to Foundation Pumps or the nominated service centre unless otherwise agreed.
- Removal, reinstallation, labour and associated site costs are generally the customer’s responsibility unless required under Australian Consumer Law.
- Change-of-mind returns may be accepted within 30 days provided the product is unused, uninstalled and returned in its original packaging.
- Customers are responsible for return freight costs for change-of-mind returns.
- Restocking fees may apply to special-order, bulky or non-stocked products.
- Used, installed or specially ordered products may not be eligible for change-of-mind returns.
- If a product arrives damaged or faulty, please contact Foundation Pumps as soon as possible so we can assist with the appropriate repair, replacement or refund.
Your rights under Australian Consumer Law are not affected.
What motor coupling specification is used on this assembly?
Flange assembly on the ZN646/3-3N conforms to standard NEMA motor connections.
What shut-off head and peak flow does this model deliver?
The ZN646-3-3N achieves 31 metres of shut-off head with a maximum flow rate of 1000 L/Min.
What current draw does the 4 kW motor consume?
Driven by a 4 kW motor at 415V, the ZN646 3 3N draws 9.89 Amps.
What material is used for the suction strainer mesh?
Suction strainer mesh on the ZN646_3_3N is fabricated from AISI 316L stainless steel.
Is backflow protection built into this pump?
An integrated non-return valve in the ZN646/3-3N prevents water column reversal.
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