The WAGO 221-510 mounting carrier offers a robust solution for organizing and securing WAGO 221 Series terminal blocks. Designed for both DIN-35 rail and screw mounting, it provides flexibility in installation. Constructed from Polyamide 66 (PA 66) with a V0 flammability rating, the carrier ensures safety and durability in industrial applications. It supports 2-, 3-, and 5-conductor connections (6 mm²) and simplifies conductor termination with the CAGE CLAMP® connection system. The carrier also facilitates easy testing through test slots and allows for strain relief and marking for clear identification.