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SKU: 96810431
Grundfos S1.80.125.500.4.62H.C.398 Cast Iron 50 kW Sewage Pump for Wastewater Treatment with 1-Channel Impeller
Australia-Wide
(08) 9240 2992
Official Grundfos
Peace of Mind
Product Overview
A maximum head of 67.4 m makes the Grundfos S1.80.125.500.4.62H.C.398.G.N.D.513GPA submersible sewage pump suitable for wastewater, process water and unscreened raw sewage applications where elevated discharge pressures are required. The Variant C cooling jacket supports continuous submerged operation at depths up to 20 m in municipal and industrial settings.
Flow capacity reaches 5400 L/min from the 398 mm impeller, driven by a 50 kW motor (P2) at 1470 rpm on a 415 V three-phase supply. The unit draws 98 A and achieves 89% efficiency at full load and 90% at 3/4 load, with DN125 outlet and DN80 inlet connections carrying a PN10 pressure rating.
A 1-channel cast iron impeller with 80 mm free passage provides the hydraulic configuration, with the impeller diameter and channel design matched to the H lifting height class requirements. The single-channel impeller geometry determines the head and flow characteristics for this Range 62 model.
Construction features a cast iron housing with IP68 enclosure and Class F insulation for submerged service, with primary silicon carbide and secondary silicon carbide-carbon shaft seals providing two-stage protection. Integrated moisture sensors are fitted as standard, and the 15 m H07RN-F AT cable supports Star/Delta starting.
FEATURES
- Range 62 Motor Design: The motor frame incorporates standardized external and internal dimensions, cooling system configuration, shaft seal arrangement and bearing specification common to all pumps in the Range 62 series.
- 1-Channel Cast Iron Impeller: The single-channel impeller design provides stable hydraulic performance across the operating range while maintaining efficient solids handling capability for municipal wastewater applications.
- 80 mm Free Passage: The internal clearance through the impeller and volute allows solids and unscreened sewage particulates to pass without blocking the hydraulic flow path during operation.
- DN125 / DN80 Connection: The outlet connection is sized at DN125 with a PN10 pressure rating, while the inlet connection is DN80, matching the hydraulic design requirements of this configuration.
- Variant C Cooling Jacket: The integrated cooling jacket surrounds the motor stator to dissipate heat during continuous submerged operation, maintaining stable motor temperatures in wet well installations.
- IP68 Enclosure Protection: The motor housing is fully sealed against permanent submersion, with the IP68 rating confirming suitability for continuous operation at depths up to 20 m.
- Silicon Carbide Shaft Seals: The primary shaft seal uses silicon carbide faces while the secondary seal employs a silicon carbide-carbon combination, providing two-stage protection against liquid ingress into the motor compartment.
- Integrated Moisture Sensors: Sensors are fitted within the motor housing to detect the presence of moisture, providing early indication of potential seal degradation or liquid ingress during service.
IMPORTANT: Bulk freight charges apply. Please contact us for a freight quote before ordering.
SPECIFICATIONS
| Max Flow | 5400 L/Min |
| Max Head | 67.4 m |
| Power | 50 kW / 415v |
| Rated Current | 98 Amps |
| Suitable For | High Head Sewage Pumping |
| Body Material | Cast iron |
| Liquid Temperature | 0°C to +40°C |
| Inlet Size | 125 mm |
| Outlet Size | 125 mm |
| Warranty | 24 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.
How deep can this pump be installed underwater and what maximum fluid temperature can it endure?
Deploying within municipal sewage sumps, the S1.80.125.500.4.62H.C.398 supports a maximum installation depth of approximately 20 m handling effluent up to 40°C.
To what vertical elevation can effluent be propelled by this wastewater pump?
Overcoming elevation resistance in deep wet wells, the Grundfos S1.80.125.500.4.62H.C.398 attains a maximum dynamic head of approximately 67.4 m.
What peak flow rate and flanged outlet dimensions are provided by this submersible pump?
Output volume across discharge pipework reaches a maximum flow rate of approximately 5400 L/Min on the S1-80-125-500-4-62H-C-398, flanged to a DN 125 (standard flanged connection).
What metallurgy profile and alloy material allow this unit to pass large wastewater solids without corrosion?
Configured for harsh effluent environments, the S1 80 125 500 4 62H C 398 utilizes Cast iron housing and wetted components housing a precision channel impeller that passes spherical debris up to 80 mm.
Which electrical motor kilowatt capacity and line voltage current are needed to drive this sewage pump?
Operating on facility power grids, the S1.80.125.500.4.62H.C.398.G.N.D.513GPA incorporates an electric motor rated at 50 kW drawing 98 A across 415 V, 50 Hz, three-phase.
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