The Siemens 5SY7215-7CC is a 2-pole SENTRON miniature circuit breaker rated 1.6 A at 400 V AC, with a C-curve tripping characteristic — meaning it holds through moderate inrush (5–10× rated current) and trips fast on hard faults, a right-sized spec for motor control circuits or transformer primaries where the techs need coordination without nuisance trips.
Terminals accept solid or stranded conductors from 0.75 to 35 mm², with a tightening torque of 2.5 to 3.5 N·m — covers everything from control wiring to feeder tails within the same device. Combined terminal design at both top and bottom simplifies daisy-chaining busbars or looping through to downstream loads without extra connectors.
Overvoltage category III, rated 50/60 Hz, with a maximum DC voltage rating of 72 V — covers AC branch circuits and some DC control loops within the same footprint.