Compatible with standard busbar Contact position indicating window Twin-purpose terminal(lift/open-mouthed)above and below Busbar positioning optionally above or below Meets the requirements of insulation co-ordination For overload & short circuit protection which used in household and industrial distribution system Electrical Design according to RYM02 IEC/EN 60898 Current test marks as printed onto the device Rated voltage RYM02 AC: 230/400V Rated frequency 50/60 Hz Characteristic C, D Selectivity class 3 Endurance =8, 000 operating cycles Line voltage connection optional (above/below) Mechanical Frame size: 57mm Device height: 71mm Device width: 25mmper pole(1MU) Mounting: Plug-in Type Degree of protection: IP20 Upper and lower terminals: Open mouthed/lift screw terminals Terminal protection: Finger and hand touch safe, Terminal capacity: 1-25 mm2 Terminal fastening torque: 2-2.4 Nm