Siemens 5SY6613-7CC SENTRON MCB, 3P+N, 13 A, C-Curve, 6 kA

The 6 kA breaking capacity per EN 60898 covers most distribution board fault levels; the 5 kA rating per UL 1077 and CSA C22.2 No.235 means it qualifies for North American branch-circuit protection where those standards apply.

Environmental and derating

Rated current is 13 A at 35 °C ambient. It derates to 12.22 A at 40 °C, 11.82 A at 45 °C, 11.39 A at 50 °C, and 10.95 A at 55 °C — so if the panel runs hot, size up one frame or account for the drop. The operating temperature range is -40 to 75 °C, with humidity limits: 95% up to 55 °C, 55% up to 70 °C, 35% up to 75 °C.