Panel integration
The DIN-rail footprint matches standard 1-pole modular breaker spacing — 17.5 mm per module. In a panel, it occupies one position on the rail; the 20 A rating at 240 VAC covers branch-circuit protection for single-phase loads up to that current. The K-curve is the key selection parameter: if the downstream load is a transformer, solenoid, or small motor, this curve avoids nuisance trips that a B- or C-curve would cause on inrush.