The 3213960 is a 3-level installation ground terminal block designed for secure wiring distribution, featuring ground (PE), line (L), and test disconnect (TG) capabilities. It utilizes a tool-free Push-in connection method for solid or ferruled conductors with a cross section of 0.14 mm² to 4 mm². This gray, 5.2 mm wide block is rated for a nominal voltage up to 400 V and a nominal current of 24 A. Constructed from PA insulating material with a V0 flammability rating, it ensures high safety standards. With its compact multi-level design and integrated knife disconnect zone, this terminal block is ideal for space-saving and safe circuit isolation in building installations and control cabinets.