The WAGO part 2002-1304 is a TOPJOB®S feedthrough terminal block designed for rail mount installations. This terminal block is specifically designed to accommodate 3 conductors and is 5.2 mm wide. With its blue color, it is easily distinguishable in electrical panels and systems. The TOPJOB®S feedthrough terminal block is ideal for securely connecting and terminating wires in a variety of electrical applications, providing reliable and efficient electrical connections.