It breaks fault currents up to 6 kA per EN 60898 at 440 V AC, 50/60 Hz.
The 5SY6201-7CC occupies 2 modular width units (36 mm) on a DIN rail, with a depth of 76 mm and height of 90 mm. Installation depth is 70 mm.
Thermal and environmental limits
The breaker derates above 35 °C: at 40 °C the rated current drops to 0.92 A, at 45 °C to 0.88 A, at 50 °C to 0.83 A, and at 55 °C to 0.78 A. Relative humidity limits are 95% up to 55 °C, 55% up to 70 °C, and 35% at 75 °C. Protection class is IP20 with connected conductors — not for wet washdown areas.