The PHOENIX CONTACT part 3212166 is a fuse modular terminal block that is designed for easy installation and protection of your electrical circuits. The fuse type is flat and the connection method is through a push-in connection, making it quick and effortless to install. It can accommodate a cross section range of 0.5 mm² to 10 mm², or AWG 20 to 8, allowing for flexibility in wire sizes. With a nominal current rating of 25 A and a nominal voltage rating of 400 V, this terminal block is suitable for a variety of applications. The terminal block has a width of 8.2 mm, making it compact and enabling efficient use of space. It uses a type C fuse with a maximum power dissipation of 2.2 W, ensuring reliable protection against overcurrents. The mounting type is compatible with both NS 35/7,5 and NS 35/15 mounting rails, offering versatility in installation options. The terminal block is black in color, adding a sleek and professional look to your setup. It is ideal for use in industrial or commercial environments where reliable circuit protection is essential.