It has Type AC earth-leakage detection (30 mA IΔn), 10 kA breaking capacity, and a C-curve 25 A thermal-magnetic trip in a 1+N-pole module, 70 mm width.
Type AC detection means the device responds to sinusoidal AC residual currents — the standard for general-purpose circuits without electronic loads. The C-curve (5–10× In magnetic release) avoids nuisance trips on the starting current of small motors, pumps, or capacitor banks — a B-curve would trip earlier, a D-curve would let more inrush through but is typically reserved for transformer or welding loads.