Grundfos MTRFlex 1-17 - Floating Solar Pump - 3,900 litres/hour

Product discontinued


The MTRFlex pump is available as a complete unit only, consisting of these parts:
- MGF motor
- MTR immersible pump

The MTR is a vertical, centrifugal multi-stage pump. In combination with the Grundfos float assembly [PMX-GFMTRF] the MTR is suitable for applications such as a floating pump on a dam. It can lift up to 3,900 litres per hour @ 20 metres head, or up to 1,100 litres @ 150 metres head.
pumping graph

The pump is equipped with the MGF motor which can be run on both DC and AC. The motor electronics already include all the necessary motor protection functions; therefore, no extra motor protection device is needed. The Maximum Power Point Tracking (MPPT) software in the motor allows it to operate efficiently with solar panels. The motor has P1 1730W (input) and maximum speed 3600 rounds per minute (RPM).

This new generation of MTRFlex pumps has a DC voltage input of 30-300V DC - which means that they can operate with a single 24V solar panel (depending on your required head or output).
An external sensor can be connected in order to control the pump operation.

The price quoted is for the above items only. To calculate a full pump system for you (with solar panels, regulator, pipes, etc) we need to know:
- installation location
- maximum head required
- quantity of water required
- pipe and cable distances

Please also view our Solar Floating Pump System Examples and follow the links for a full system quote.

MGFlex motor

The MGFlex motor was developed for optimal performance using solar power, for surface pump applications. In addition to solar panels, Grundfos solar surface pumps can be run from the grid or a generator. With variable speed operation and motor protection built in as standard, Grundfos solar surface pumps offer:
- Easy installation
- Virtually no maintenance
- Low cost and highly-efficient pumping

Weight: 35.16 Kilograms
Warranty: 2yrs


Grundfos MTRFlex 1-17 - Floating Solar Pump - 3,900 litres/hour
Power Supply DC30V-300V DC
Power Supply AC1x90-240V AC (50/60Hz)
Max power input (P1)60 - 1730W
Max input current8.9A
Motor Protection
Over & under-voltage protection
Overload protection
Over-temperature protection
Max motor speed3600 rpm
Pump Performance
3,900 litres/h @ 20 metres head
1,100 litres/h @ 150 metres head

More Specs


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We install solar systems in Northern NSW and Southern QLD.

Gold Coast (from Coolangatta to Southport), Nerang and Hinterland (Beaudesert) and out West (Warwick, Stanthorpe, Killarney)

Northern NSW (Tweed Heads to Yamba, including Evans Head, Byron Bay and Ballina); the Far North Coast Hinterland (Grafton via Lismore to Murwillumbah) and out West (Casino to Tenterfield, including Drake and Tabulam, as well as Woodenbong and Bonalbo)

For larger system we also go up to Brisbane or down to Coffs Harbour and even Glen Innes. Other places by arrangement.