12v Spdt Relay Diagram. The panel must be rated at least at 18v. This is to avoid a short circuit across the individual cells being diverted around.
I need to wire the relays so the motor will go up and down using momentary switches. The 2 coil terminals is where the voltage is placed in order to energize the coil. When the relay receives 12 volts of power the relay snaps from the nc position to the no position.
The overall design is to intelligently switch between intermittent loads each device has a wide band of input voltages because of dc dc regulators.
This is to avoid a short circuit across the individual cells being diverted around. In single pole double throw relay we have one pin is common 2nd are normally close and 3rd are normally open. These directions will be easy to understand and implement. I have a simple 12v dc motor and two spdt relays.