Miniature circuit breaker, 4-pole, C-curve, 13 A
The Siemens 5SY7413-7 is a 4-pole miniature circuit breaker from the SENTRON series, rated 13 A at 400 V AC, 50/60 Hz, with a C tripping characteristic. The C-curve (tripping characteristic class C) means it is sized for moderate inrush loads — typical for motor-starter feeders, small transformers, or lighting banks where the starting surge is higher than a resistive load but not extreme. The 13 A rating governs the continuous conductor sizing upstream. Breaking capacity is declared at three standards: 15 kA per EN 60898, 25 kA per IEC 60947-2, and 5 kA per UL 1077 / CSA C22.2 No. 235.
The 5SY7413-7 carries an overvoltage category III rating and degree of pollution 3, meaning it is certified for fixed-installation panels where transients from the mains supply are expected and the environment may have conductive dust or condensation. Touch protection is confirmed on the product feature list. Sealable, halogen-free, and silicon-free construction is declared — relevant for food-and-bev or semiconductor-adjacent panels where outgassing or contamination must be controlled. Ambient temperature range spans -40 °C to +75 °C, with humidity derating above 55 °C (95 % RH up to 55 °C, 55 % at 70 °C, 35 % at 75 °C). Vibration resistance per IEC 60068-2-6 is specified at ±1 mm displacement from 5 to 25 Hz and 50 m/s² acceleration from 25 to 150 Hz — sufficient for installation on machine-mounted enclosures subject to typical industrial vibration.
Neutral conductor switching is not integrated (product function: no), so a separate neutral link or 4-pole switch-disconnector is required if the circuit design demands neutral isolation.