Disconnector without fuse 3P+PEN/400A (PEN terminal on the enclosure) SZ400.322

Fuse disconnect switch – solid protection for your installation

This three-pole fuse disconnect switch with a rated current of 400A is a reliable element of any electrical installation. Designed to protect low-voltage networks, both overhead lines and cable networks. The design allows operation from ground level using ST33 operating rods, which increases comfort and safety of use.

Functionality and application

The device functions as a main disconnect switch and a safety disconnect switch, providing effective protection against overloads and short circuits. It is compatible with NH2 fuse links, both size '1' (up to 250A) and '2' (up to 400A). The PEN terminal located on the housing facilitates connection and ensures proper grounding. Thanks to the possibility of connecting cables from the side, installation is simple and convenient.

Construction and characteristic features

The disconnect switch is equipped with six KG43.6 terminals, ensuring secure and stable connections. Made of high-quality materials, it guarantees durability and reliable operation even in harsh conditions. The use of plug-in connectors further facilitates the installation and removal of the device. Please note that the device does not have a built-in motor drive or the possibility of mounting on a rail. The maximum operating AC voltage is 500V.