The Z7.255.1027.0 is a 10-pole insulated jumper comb designed as an accessory for Wieland selos DIN rail terminal blocks with screw connections. It is specifically intended for use with installation blocks in junction boxes, compatible with types such as WKI 4 D-D, WKI 4 N-D-SL, and WKI 4 NT-D-SL. This yellow jumper comb has a thickness of 0.5 mm and a pole spacing of 6 mm, allowing it to bridge up to ten adjacent terminals. Its insulated design provides touch-safe commoning of potentials, making it ideal for building distribution systems in control cabinets and electrical installations.