Overloading and Short-circuit protection. Reverse discharging and reverse-polarity protection.
Solar controllers are built-in electronic fused that do not require replacements.
The controller has a low failure rate and will last a long time and protected with moisture-tight coating, minimizing damage from humidity and from nesting insects.
Dimension: 14.5 x 8.2 x 3.7cm/ 5.7"x 3.2"x 1.5"(L*W*T); Power: 20A; Voltage: DC 12V/24V; Mounted Hole Dia: 3mm/ 0.12"
Easy to set up and operate. Suitable for home, industrial, commercial etc.