The WAGO part 281-901 is a 2-conductor through terminal block with a center marking. It is designed for use with DIN-rail sizes 35 x 15 and 35 x 7.5. The terminal block uses CAGE CLAMP® technology, a reliable and efficient connection system. It has a maximum capacity of 4 mm² and comes in a sleek gray color. This terminal block is ideal for securely connecting and securing electrical wires in various applications.