The Siemens 5SJ6316-7KS is a SENTRON 5SJ6 miniature circuit breaker — 3-pole, C-curve, rated 16 A at 400 V AC with a 6 kA breaking capacity per both IEC 60898 and IEC 60947-2.
Sealable and touch-protected, with IP20 rating once conductors are connected.
Environmental and electrical ratings
Overvoltage category III, pollution degree 2 — standard for fixed-installation distribution boards. Insulation voltage rated 440 V AC, and the maximum DC voltage per pole is 60 V. Mechanical service life is 20 000 operating cycles.