The Siemens 5SL4316-8CC is a SENTRON miniature circuit breaker (MCB) — 3-pole, D-curve, rated 16 A at 400 V AC, with a 10 kA breaking capacity certified to EN 60898. The D characteristic means it tolerates inrush currents 10–20× the rated current before tripping magnetically, which makes it the right choice for loads with high starting surges — think motor circuits, transformers, or discharge lighting in a residential or infrastructure panel.
The 16 A rating is at 30 °C ambient; at 40 °C it derates to 14.78 A, at 50 °C to 13.45 A, and at 55 °C to 12.74 A.
Panel integration
Snap-on mounting for DIN rail (EN 60715). The housing is 3 modular width units (54 mm wide), 90 mm tall, 76 mm deep, with an installation depth of 70 mm. The terminals are touch-protected, and the unit is sealable for tamper-evident applications.