The Siemens 5SL4316-7RC is a SENTRON miniature circuit breaker rated 16 A, 3-pole, with a C tripping characteristic and a 10 kA breaking capacity per EN 60898 at 415 V AC.
At 18 mm wide (1 MW), this breaker occupies a single modular slot on standard DIN rail. Mounting position is any, so vertical or horizontal rail orientation is fine.
