Screw terminals accept 1 x 0.14...1 x 2.5 mm² solid or 1 x 0.09...1 x 1.5 mm² flexible with ferrule. Tightening torque is 0.6 N·m with a flat 3.5 mm screwdriver. IP2X protection keeps fingers out but not dust. Pollution degree 2 per IEC 60664-1, installation category II.
Environmental and electrical robustness
Operates from -5...60 °C, stores from -40...80 °C. Withstands 15 gn shock for 11 ms and 2 gn vibration at 10...150 Hz. Insulation voltage rated at 2000 V between terminals and mounting rails. Glow-wire resistance at 750 °C with extinction under 30 s.