Siemens NF353 Non-Fusible Disconnect Safety Switch

Siemens NF353 Non-Fusible Disconnect Safety Switch is a three‑pole, 100 A, 600 V disconnect designed to safely isolate three‑phase circuits without integrated fuses. Part of Siemens’ Vacu‑Break family (ITE Type NF), it provides a robust non‑fusible option for maintenance and service isolation with a 200 kA short‑circuit rating at 600 V. The unit comes in a NEMA 1 indoor enclosure and is configured for surface‑mount installation, making it suitable for indoor panels, control cabinets, and distribution setups in commercial or light industrial environments. Typical applications include isolating motors, pumps, conveyors, and other three‑phase equipment, serving as a clear, accessible disconnect for qualified personnel and as a convenient remote isolation point within a electrical distribution scheme.