The WAGO part 281-685 is a high-quality 3-conductor through terminal block designed for 4 mm² wires. This terminal block features a center marking for easy identification and is suitable for mounting on DIN-rails measuring 35 x 15 and 35 x 7.5. Equipped with WAGO's patented CAGE CLAMP® technology, this terminal block securely and efficiently connects wires up to 4.00 mm². Its sleek black design adds a professional finish to any electrical installation.