Siemens HF221N Heavy Duty Safety Switch VB II is an enclosed, fusible disconnect designed for indoor use in 240 V circuits, belonging to the VB II family of heavy‑duty safety switches. It is rated for 30 A in a 2‑pole, 3‑wire configuration with 1‑phase 240 V AC operation and a 250 V DC rating, providing both AC and DC switching in a single unit. The device is intended for indoor installation in a NEMA 1 enclosure and accepts 240 V Class R fuse clips (HF221N/HF321N family kits) for protection. This safety switch delivers a robust, code‑compliant means to isolate electrical equipment and feeders in light industrial environments.
