The Siemens 5SL6310-6RC is a 3-pole miniature circuit breaker from the SENTRON 5SL6 family, rated 10 A with a B tripping characteristic and a 7.5 kA breaking capacity per EN 60898. It's rated 415 V AC (440 V max multi-phase) and accepts conductors from 0.75 to 25 mm² solid or stranded, with a recommended torque of 2.5 to 3 N·m on the screw terminals. Mechanical life is 10 000 switching cycles, which is standard for this class.
Three width units (54 mm) on DIN rail. Sealable, halogen-free, and silicon-free — relevant for clean-room or low-smoke environments. Touch protection is built in. No neutral switching on this 3-pole unit; it's a straight 3P device.