The WAGO 2004-404 is a 4-way insulated jumper bar specifically designed for the TOPJOB S terminal block system. This jumper bar utilizes a plug and socket principle, enabling efficient commoning of terminal blocks and the creation of custom jumper configurations. Constructed with pure electrolytic copper, the jumper contact ensures reliable current transfer. It's ideal for industrial applications and modern building installations where secure and versatile electrical connections are essential. The 2004-404 allows for flexible circuit design and simplifies wiring processes within electrical panels.