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Home > Charge Controller Support > PWM Solar Charge Controller Support > PWM-30-UL > GP-PWM-30-UL Installation: Single Battery Wiring Diagram
GP-PWM-30-UL Installation: Single Battery Wiring Diagram
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Single Battery Wiring Diagram

Use the following wiring diagram if you are using the GP-PWM-30-UL to charge only one battery. Connect your battery to the battery 1 terminals on the solar controller.

 

 

The GP-PWM-30-UL Maximum 37.5A rating is based on a 30-amp total maximum short circuit current rating (Isc) from the solar modules nameplate ratings. The National Electric Code specifies the PV equipment/system rating to be 125% of the maximum Isc from the PV module ratings (1.25 times 30 = 37.5A). E.G. Three modules in parallel with an Isc of 7 amps each equal a total Isc input of 21 amps. When selecting PV modules for use with the GP-PWM-30-UL do not exceed a total nameplate Isc current of 30A. Solar modules list the Isc amps on their nameplate label.
 

IMPORTANT: The fuse or breaker used should be no larger than 50 amps

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