Siemens 5SY6316-7 Three Pole MCB, Rated at 16A, Type C for 400 V AC.Siemens 5SY Miniature Circuit Breakers or MCBs are a high capacity range 6kA switching, each MCB is available with Type C characteristics, offering general line protection, especially advantageous with higher inrush currents (lamps, motors, etc.), or Type D with a tripping range adapted to operating equipment involving significant pulse generation (transformers, solenoid valves). Siemens MCB's conform to EN 60898, (VDE 0641 Part 11), IEC60898.