Siemens VB358TL is a panel-mounted, fusible safety switch designed for high-current circuit protection and isolation in industrial power distribution. It provides reliable switching and protection for three-phase systems with a 600V AC voltage rating and a 1200A current rating, housed in a robust NEMA 1 enclosure. This Vacu-Break (VB) type switch features a three-pole, single-configuration design and is constructed for durability, with a unit weight of 115.346 lb. It complies with industry standards for fusible disconnects and is engineered for an interrupting capacity of 200kA at 480V, compatible with Class T and L fuses as well as FHP frames. Typical applications include main service disconnects, motor control center feeder disconnects, and protection for large industrial machinery and HVAC systems.