The PHOENIX CONTACT part 3210211 is a double-level terminal block with an equipotential bonder, designed for easy and secure connections. It utilizes a push-in connection method, allowing for quick and hassle-free installation. It has a wide range of compatible wire cross sections, ranging from 0.14 mm² to 4 mm², making it versatile for various applications. With an AWG range of 26 to 12, it can accommodate different wire gauges. The terminal block has a compact width of 5.2 mm and comes in a sleek gray color. It is suitable for mounting on NS 35/7.5 and NS 35/15 rails, providing flexibility in installation options.