["***used***", "3-phase version with fourth LX phase for coupling with other networks, (coupling via FI switch or electricity meter is only permitted with ALL16881PC!)", "Frequency range 1-70 MHz", "AC 250 / 440 V, 4 x 22nF X2, 3-phase (Lx coupled to L3)", "DIN rail assembly German manual on www.allnet.de in the download area! For coupling between sub-distributions or across FI switches and electricity meters, you may only use ALL16881PC! Installation width: 34mm Height (max.): 70mm"]