ChatterBank7 mins ago
i need a solar pannel to power a pond pump that runs off a 240v 40watt.
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i want to power a piece of equipment for a pond, it uses 40watts on a 240v and needs to run constantly any info would be great.
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Frankly this is a non-starter because it isn't cost effective.
Maplin want �600 just for the solar kit big enough to do this - you are going to need a 120W solar collector to allow for 24 hour working of the pump versus the 7 hours per day of average sunlight.
http://www.maplin.co.uk/Module.aspx?moduleno=9 7380
That's without the batteries to back it up and the inverter to turn 12V back into 240V AC.
You'll have to wait for another 3 years until the price of the technology reduces.
Maplin want �600 just for the solar kit big enough to do this - you are going to need a 120W solar collector to allow for 24 hour working of the pump versus the 7 hours per day of average sunlight.
http://www.maplin.co.uk/Module.aspx?moduleno=9 7380
That's without the batteries to back it up and the inverter to turn 12V back into 240V AC.
You'll have to wait for another 3 years until the price of the technology reduces.
1 to 2 of 2
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