Siemens HF363N - 100A, 3-Pole, Safety Switch

The Siemens HF363N 100A 3-Pole Safety Switch is engineered for dependable electrical isolation in demanding industrial and commercial environments. Built to support proper lockout/tagout procedures, this switch delivers a safe, predictable disconnection under load, giving maintenance teams confidence and peace of mind during service windows and routine inspections.

Why this safety switch stands out

• Three-pole design for complete isolation—ensures all phases are fully disconnected, reducing the risk of arc flash and unintended energization during maintenance.
• 100 A rated performance—handles typical industrial load profiles with robust margin for reliability and longevity.
• NEMA 1 enclosure—compact indoor-ready housing that aligns with standard installation practices in commercial facilities.
• Lockout/Tagout readiness—facilitates compliant, verifiable energy isolation, improving worker safety during service and equipment changes.
• Durable, long-term operation—designed to stand up to daily safety switching and routine disconnects in busy electrical rooms.

Ideal applications include motor control centers, panel feeds, HVAC and industrial automation loops, as well as any scenario requiring secure, under-load disconnection and rigorous safety practices. The HF363N helps facilities meet safety standards while keeping downtime minimal and operations running smoothly.

Key specifications at a glance

• Amperage Rating: 100 A
• Number of Poles: 3-Pole
• Enclosure Rating: NEMA 1
• Product Type: Safety Switch
• Brand: Siemens
• Model: HF363N

Choosing the HF363N means prioritizing reliable isolation, easy maintenance, and scalable safety for your electrical distribution. It’s a practical, purpose-built solution for facilities that cannot compromise on worker protection or operational continuity.