Siemens GF323NR 100A 3P 240V Safety Switch, NEMA 3R, Fusible | AmpState

When reliability matters, the Siemens GF323NR safety switch stands guard at the point of use. engineered as a dedicated equipment disconnect and isolation device, this 100 A, 3-pole, 240 V fusible switch is built to perform in demanding industrial environments—and to do so with confidence.

• Fusible safety switch — integrated fusing provides both disconnect and overcurrent protection in one compact unit, simplifying wiring and panel layouts.
• Three-pole, 100 A at 240 V — robust, clean power switching for motors, pumps, and other heavy loads common in manufacturing and facilities operations.
• NEMA 3R rated — outdoor-ready and weather resistant, delivering dependable performance in exposed or rugged conditions without compromising safety.
• Point-of-use isolation — enables fast, safe maintenance and emergency shutdowns right at the equipment location, reducing downtime and risk.
• BOM-aligned replacement — specifically chosen to align with original Siemens part numbers, making it ideal for replacement projects and maintaining traceable spare parts stock.
• Exact part identification — model GF323NR ensures compatibility with existing controls, documentation, and maintenance records.

This safety switch excels in applications where reliable isolation and protection are essential. Use it for outdoor motor control in pumping stations, HVAC equipment outdoors, or industrial machinery that requires a dependable disconnect with built-in protection. Its 3-pole design ensures clean, balanced switching, while the 240 V rating covers a wide range of standard industrial circuits.

Key considerations for use include confirming fuse type and rating per system requirements and ensuring proper enclosure compliance with local electrical codes. As a fusible device, it serves as both disconnect and protective element, streamlining installation and maintenance workflows while helping keep downtime to a minimum.

Available from AmpState, the GF323NR is a practical choice for replacements and spare stock to keep your bill of materials intact. If you need help verifying fit or matching the exact part number to your existing equipment, our team can assist in confirming compatibility and ensuring a seamless upgrade or replacement.