... 20A,System voltage 24V/12V AUTO,Overload, short circuit protection, Main Features of Sunning Series Solar Power system controller Using the MCU intelligent ... 60 seconds, or load current exceeds 1.5 times the rated current of the controller 5 seconds, the slow red flash that overload ... outputs are synchronous control, need to re-set 1-5 or 1 .- 5. pm before entering the two independent control of output ...