The Siemens 5SL6615-7BB is a miniature circuit breaker (MCB) rated for 400 V with a 6 kA breaking capacity, configured as 3+N-pole with a C-trip curve and a 1.6 A current rating, built for the Italian market variant.
The 3+N-pole arrangement covers three-phase plus neutral, common for final sub-circuit protection in commercial or light industrial panels.
