The WAGO part 870-831 is a highly reliable and efficient 4-conductor through terminal block suitable for various electrical installations. With a wire size capacity of 2.5 mm², this terminal block allows for secure connections. It features convenient side and center marking for easy identification and organization. Designed for DIN-rail 35 x 15 and 35 x 7.5 mounting, this terminal block ensures compatibility with common industry standards. Its CAGE CLAMP® mechanism enables quick and secure wire connections, minimizing installation time and effort. The terminal block has a sleek gray finish, providing a professional and streamlined appearance to any electrical setup.