Orange - HD50 Solar Pump - 36 Volts

Special Order




The HD50 is a high quality solar pump which takes power directly from solar panels (72 cells) or battery (36V) and is typically used as a low flow transfer pump. It is a 36 volt DC brushless step motor and is protected and controlled by a built in flow switch.

The centrifugal pump uses variable speed to use all the power available from the panels so giving best water output.The HD50 pump will lift water vertically 37 metres or less, of which 6 metres can be used for suction and 6 metres used to lift water into a tank, leaving 25 metres for actually lifting water vertically up a hill.
pumping graph

The HD50 has a flow switch to protect the pump and turn it off in a loss of prime situation, and at times when there is no sun. It also functions as an on/off switch for tank filling eliminating the need to connect the pump and tank with long electrical wires.

HD50 pump uses 36 volts solar panels and is wired with standard 10 or 15 amp cable or solar cable. The panels used can be any wattage but it is best for them all to be the same. Easiest way to connect more than one panel is with MC4 branch plugs.

- protection rating: IP55
- direct solar input (45-47V DC open circuit)
- DC Step brushless motor
- Permanent magnet motor
- Variable speed
- cable with MC4 compatible connectors
- foot or check valve
- 25mm elbow pipe connector (female-female)
- 25mm streight connector (male-male)

Weight: 4.5 Kilograms
Warranty: 2yrs
Code: PMP-OHD50
Price: $1026.12


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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.

We are Open for Business

Rainbow Power Company would like to assure our customers that we are still trading. We have modified procedures to ensure social distancing can be maintained throughout all operations in our business. You can also use our webshop to order online or over the phone. Goods will be dispatched via Australia Post and couriers; additional safety precautions for goods handling have been put in place.

Our show room is currently closed, however, appointments can be made by phone so we can prepare orders for pick up from our premises. Please NOTE: ALL pre-existing and new purchases need to be pre-ordered, phone 02 6689 1430, with a time arranged with RPC staff prior to pick-up. Thank you for your patience and understanding.

Contact us

This is the perfect time to start thinking about your power needs for the future, reducing your bills, and safeguarding against future power outages, so call today and get in before the oncoming solar rush. System designers are working from home and can customise a quote for you over the phone or online, free of charge. PH: 02 6689 1430 or send an enquiry. We are still doing site inspections where remote tools such as video inspections are not possible, but we are minimising contact with customers and ensuring recommended social distancing measures are in place
...stay safe and healthy, your RPC family