The PHOENIX CONTACT part 2800004 is a knife disconnect terminal block that offers convenient testing capabilities with its test socket screws for inserting test plugs. It is designed for a nominal voltage of 400 V and a nominal current of 26 A. The connection method is a reliable screw connection, and it accepts a cross-section range of 0.2 mm² to 4 mm². With an AWG range of 24-12, it can handle various wire sizes. This terminal block has a compact size, measuring 80 mm in length and 6.1 mm in width. It comes in a stylish gray color, suitable for any industrial or electrical installation. The mounting options include NS 35/7.5, NS 35/15, and NS 32, providing flexibility in installation. Overall, the PHOENIX CONTACT part 2800004 is a versatile and reliable terminal block that ensures secure connections and convenient testing capabilities in various electrical applications.