Rated 16 A at 30 °C, it derates to 12.5 A at 70 °C — that thermal curve matters if this lands in a crowded, warm panel. The 72 mm width occupies 4 modular-width units on a DIN rail.
Where it goes — panel integration and environment
Supply can feed from either top or bottom — handy when you're retrofitting into an existing busbar arrangement and can't flip the board.
What the spec table doesn't tell you — the so-what on key ratings
The 6 kA breaking capacity is the same under both EN 60898 (the MCB standard) and IEC 60947-2 (the industrial circuit-breaker standard). That dual rating means it's tested to both installation and industrial coordination rules — not all RCBOs carry both. The insulation voltage Ui of 500 V and surge voltage resistance of 4 kV give headroom for 400 V AC networks with reasonable transient immunity. The 0.25 kA surge current withstand at 8/20 μs is the impulse rating for the residual-current electronics — it tells you the internal electronics can ride through a lightning-induced surge on the line side without latching or failing.