Siemens HF223NR - 100A, 240V, 2-Pole, Fused Disconnect Switch

The Siemens HF223NR is a rugged 2-pole fused disconnect switch built for reliable electrical isolation in demanding industrial and commercial environments. With a 100A rating at 240V, this unit delivers dependable disconnection under load, helping you protect personnel during maintenance and safeguard equipment during fault events. Designed to work with lockout/tagout procedures, it makes safe servicing practical and straightforward.

Why the HF223NR stands out

• Precise, fuse-based protection. The fused design interrupts fault currents cleanly, providing controlled isolation for motors, pumps, and feeders while reducing arc risk during service.
• Two-pole simplicity. A straightforward 2-Pole configuration delivers reliable isolation for both legs of a 240V circuit, keeping your electrical system safer and easier to troubleshoot.
• Rugged, outdoor-ready enclosure. The NEMA 3R-rated housing stands up to weather, dust, and washdown environments, making it suitable for outdoor installations and demanding plant floors.
• Safety-first integration. Built to support proper lockout/tagout procedures, enabling workers to de-energize equipment confidently before maintenance or repair work.
• Long-term durability. Engineered for repeated operation in busy facilities, the HF223NR focuses on dependable performance and lasting reliability under load.

Ideal applications

• Motor control centers and branch circuits in manufacturing facilities
• Outdoor electrical service disconnects for HVAC units, pumps, conveyors, and compressors
• Industrial equipment rooms requiring quick, safe isolation during maintenance
• Commercial buildings where dependable 240V isolation is essential for safety and compliance

How it helps your operations

By providing a clear, fuse-protected path to safely disconnect power at the point of use, the HF223NR minimizes downtime, supports compliance with lockout/tagout standards, and reduces the risk of unintended energization during servicing. Its robust construction and weather-resistant enclosure mean fewer replacements and less maintenance overhead over time, helping you keep critical equipment up and running.

Specifications at a glance

• Model: HF223NR
• Amperage rating: 100A
• Voltage rating: 240V
• Number of poles: 2-Pole
• Enclosure rating: NEMA 3R
• Type: Fused Disconnect Switch
• Brand: Siemens

Choose the Siemens HF223NR when you need a trustworthy, safety-focused solution for isolating high-current 240V circuits. Its combination of fused protection, 2-pole simplicity, and weather-ready enclosure makes it a practical, durable choice for modern industrial and commercial power systems.