The WAGO part 236-401 is a stackable PCB terminal block designed for easy and efficient connection of electrical wires. It has a pin spacing of 5/5.08 mm and a CAGE CLAMP® mechanism for secure and reliable wire connection. This 1-pole terminal block also features a commoning option for convenient wiring arrangements. With a wire capacity of 2.5 mm², this gray terminal block ensures a robust and durable connection for various industrial applications.