The Siemens 5SJ6416-7 is a 4-pole miniature circuit breaker from the SENTRON 5SJ6 series, rated 16 A with a C-curve tripping characteristic. It breaks fault currents up to 6 kA per both EN 60898 and IEC 60947-2, making it suitable for protecting branch circuits in commercial and industrial distribution panels at 400 V AC.
At 16 A, it handles continuous loads up to that value; the 6 kA breaking capacity is the maximum fault current it can safely interrupt at 400 V, matching typical domestic and light commercial supply capacities. Wire termination accepts solid or stranded conductors from 0.75 mm² up to 25 mm², covering most branch-circuit cable sizes. The breaker is sealable for tamper-proof installations, halogen-free and silicon-free for environments sensitive to outgassing — clean rooms, medical, or food processing panels. Ambient temperature range is -20 to +45 °C, with storage from -40 to +75 °C.
Panel integration
Installation depth is 70 mm. Vibration resistance is tested to IEC 60068-2-6 at 50 m/s² from 25 to 150 Hz and 60 m/s² from 10 to 150 Hz. Mechanical service life is 20 000 switching cycles typical.