ABB installation terminal blocks are largely used in distribution cabinets of public buildings. Main benefits include Save space in cabinets thanks to compact design and multi level terminal blocks; Ease the identification of circuits thanks to colour coding of circuits (feed-through, ground, neutral) & Ease commissioning and trouble shooting operations thanks to neutral disconnect terminal blocks. Main features include Multi-level wire range from 0.2 to 4 mm² (18 to 12 AWG) and from 0.2 to 35 mm² (18 to 6 AWG) for neutral entrelec disconnect terminal blocks; Technologies : screw clamp, spring; Functions : feed-through, neutral ,disconnect neutral, ground; Compatibility with neutral distribution bus bar for some terminal blocks & In accordance with DIN43880 standard.