Sunfree Series- 22 -5.3 AC input wire ConnectionCaution：For safety operation and regulation compliance, it`s requested to install a breaker(600V/60A) between grid and inverter.Cable Cross-sectional area（mm²） External diameter（mm）Range Recommend4.0-6.0 4.0 4.2~5.3Table 5.2 Recommended Specifications of AC Cables5.3.1 Open the waterproof cover, feed the AC cable through the ACwaterproof hole.Figure 5.2 Thread the cables
