The WAGO part 256-401 is a stackable PCB terminal block, featuring a convenient push-button design for easy wire insertion and removal. This 1-pole terminal block has a pin spacing of 5/5.08 mm and can accommodate wires up to 2.5 mm² in size. The terminal block is equipped with WAGO's CAGE CLAMP® technology, providing secure and reliable connections. Additionally, it offers a commoning option for simplified wiring configurations. The terminal block is designed in a sleek gray color, making it a versatile and practical choice for various PCB applications.