Design in accordance with IEC/EN 62019, screwless assembly, can be subsequently snapped onto PLS and PKNM, ZP-IHK, ZP-WHK: can also be snapped onto itself 1x piggyback, specified minimum voltages apply per switching distance. Attention for series connections!, due to contact material and construction particularly suitable for low voltages, contact function with relative movement (self-cleaning contacts), ZP-NHK: function of one of the two changeover contacts can be switched from auxiliary switch to trip signal switch, trip signal contact reports electrical tripping, test button for contact function electrical tripping
