Siemens GNF323 - 100A, 240V, 3-Pole, Fused Disconnect Switch

The Siemens GNF323 is a rugged, purpose-built 3-pole fused disconnect switch engineered for reliable electrical isolation in demanding industrial and commercial settings. With a 100A rating and 240V operation, this unit delivers precise, dependable disconnection under load, supporting safe maintenance practices and robust protection for personnel and equipment.

Key advantages that set the GNF323 apart

• Three-pole isolation: guarantees all three live conductors are safely disconnected, reducing the risk of accidental energization in three-phase systems.
• Fused protection: provides immediate current interruption under fault or overload conditions, enhancing circuit safety for motors, conveyors, and critical machinery.
• NEMA 1 enclosure: designed for indoor use with dependable protection against dust and incidental contact in standard industrial environments.
• Durable Siemens engineering: built to withstand regular operation cycles and provide long-term reliability in demanding applications.
• Lockout/Tagout readiness: compatible with standard safety procedures, helping facilities meet compliance when technicians perform servicing or maintenance.

Ideal use cases

• Service disconnects for motor control centers and machine panels on production lines
• HVAC and industrial equipment control panels where clear, reliable power isolation is essential
• Maintenance shutdowns in manufacturing, packaging, and processing environments
• Preliminary isolation point in safety interlock schemes for heavy equipment

What you gain with the GNF323

• Clear, local isolation reduces downtime risk by enabling quick, safe power shutdown during servicing
• Operational continuity thanks to dependable fuse-based interruption that protects circuits during fault events
• Compliance-friendly design supports standard lockout/tagout workflows used across industrial facilities
• Indoor-ready robustness provided by the NEMA 1 enclosure, making it well-suited for controlled indoor environments

Specifications at a glance

• Amperage rating: 100 A
• Voltage rating: 240 V
• Number of poles: 3
• Enclosure rating: NEMA 1
• Product type: Fused disconnect switch
• Brand: Siemens
• Model: GNF323

Practical installation and care tips

Install in indoor, controlled environments where standard NEMA 1 protection is adequate. Pair the switch with the appropriate fuse configuration to ensure proper overcurrent protection for your application, and integrate it into your lockout/tagout program to maximize safety during maintenance windows. Regular inspections of connection integrity and fuse status will help maintain consistent performance and extend service life.

Choose the Siemens GNF323 when you need a reliable, field-proven 100A, 240V, 3-pole fused disconnect switch that prioritizes safety, simplicity, and long-term durability in everyday industrial operations.