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diy solar

AC input breaker 50amps?

Spikeuk

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Nov 23, 2021
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Advice on connecting AC input to off grid inverter in UK...

I have the following inverter off grid 5kw https://voltaconsolar.com/off-grid/conversol-v7-off-grid-inverter.html

(rebranded Voltronic Axpert King....)


This is what I have done so far...

-I have connected the panels to a PV combiner, replaced the cabling in the PV combiner box as it was not up to the job - Combiner is outside incase of fire etc we can isolate panels from outside. Inside connected to solar DC isolation switch.

-AC output goes into a isolator switch, then onto a consumer unit - then onto a wall socket.

AC Input - The manual recommends a 50A breaker? - why so high is this because it can be set to use grid power for the load (5000w) And the power to charge the batteries?
I was hoping to plug it into a wall socket on a 32a breaker?

I think the AC input is only if you enable switch to AC when solar/battery is not available?

any advice comments appreciated......
 
The pass through relay max amperage rating should determine input breaker size.

I did not see amperage in manual but I think it is 40 amp contacts for relay.
 
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