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diy solar

hi. patrick hear. i need help. i need to turn on/ off my 44 volt boost solar bank. 4000 watt. off when the voltage hits 44 and on at 33 volts.

patskayak

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Jul 11, 2022
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hi patrick hear. i need help. i need to turn off my 4000 watt 44 volt boot solar panel bank. when the voltage hits 43 volt disconecting them from my primary 36 volt system i need a voltage senser that will turn off a contactor when the ac units turn off. currently i have hand switch to shut down the 44 volt bank.
 
hi patrick hear. i need help. i need to turn off my 4000 watt 44 volt boot solar panel bank. when the voltage hits 43 volt disconecting them from my primary 36 volt system i need a voltage senser that will turn off a contactor when the ac units turn off. currently i have hand switch to shut down the 44 volt bank.
What?
Please provide a lot more info and clarity of your setup, a diagram or even a picture would be spectacular in order help you.
Sounds like you need a charge cuntrulla for your boot bank
 

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Hi .Patrick is back. I'm looking for an automatic cut off relay to disconnect my boost solar bank.turn on at 33 volt and off at 42 volts.
 

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thank you . just what i need. and i have a issue with my 36 volt battery banks . during equlization the voltage is 44.1 and the inverter high voltage cut off is 45 volts . warning light coming on . and thanks
 
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