Commissioning note
The Siemens 5SP4292-7 is a SENTRON miniature circuit breaker — 2-pole, C-curve, rated 125 A with a 10 kA breaking capacity per EN 60898 at 400 V AC. Mounts on DIN rail (35 mm) or screw fixing; any orientation allowed. The 3-module-width footprint (54 mm) fits standard enclosures. Tunnel terminals top and bottom accept copper conductors; the part is sealable for tamper-proof installations.
IP20 with connected conductors, IP40 at the handle area when covered. Shock-resistant per IEC 60068-2-27 at 150 m/s² for 11 ms half-sine; vibration-resistant per IEC 60068-2-6. Mechanical life typical 10 000 operating cycles. The breaker accepts supplementary devices for remote signaling or shunt trip.
