The 56.703.5155.6 is a fasis WKF series duo feed-through terminal block, also known as a double feed-through block, designed for high-density wiring on a 35mm DIN rail. It features a screwless spring clamp connection that accepts fine-stranded wires from 0.13 to 2.5 mm² and solid wires from 0.5 to 4 mm². This block is rated for 800V and 24A according to EN 60947-7-1, with UL and CSA ratings of 600V. With a compact width of only 5 mm, it is ideal for applications where space is limited, such as in control cabinets and distribution boxes, providing a secure and maintenance-free connection.