Square D H321N - 30A, 240V, Fused Disconnect Switch

Powerful, reliable, and built for safety-first maintenance, the Square D H321N 30A, 240V Fused Disconnect Switch delivers dependable electrical isolation in demanding industrial and commercial environments. This fused disconnect combines quick disconnection with integrated overcurrent protection, helping protect equipment and personnel while minimizing downtime during servicing.

Key benefits that set the H321N apart

• Integrated protection: A 30A, 240V fused disconnect switch that provides immediate overcurrent protection, reducing the risk of arc-flash and equipment damage during fault conditions.
• Safe lockout/tagout readiness: Designed to support proper lockout/tagout procedures, enabling workers to isolate circuits securely during maintenance and repair.
• Reliable disconnection under load: Engineered to deliver dependable shutdown even when circuits are energized, helping ensure safe service actions.
• Industrial-grade durability: Built to perform in busy commercial and industrial settings where resilience and long-term reliability matter.
• Straightforward integration: Designed to fit into standard 240V electrical infrastructure, making it a practical upgrade or replacement for existing disconnecting needs.

Ideal applications and use cases

• Motor control centers, belt drives, pumps, and other 240V load centers where a single-point disconnect is required.
• HVAC equipment, compressors, and fluid handling systems that must be safely isolated for maintenance.
• Electrical rooms and service entrances where compliance with lockout/tagout practices is essential for worker safety.
• Temporary or permanent service disconnects for industrial machinery, conveyors, and manufacturing equipment.

Why choose the Square D H321N? Beyond basic disconnection, this switch offers a practical, maintenance-friendly solution that aligns with real-world safety workflows. Its fused design means you don’t need a separate fusing device, simplifying installation and reducing part counts. When downtime is costly and safety is non-negotiable, this switch provides a clear, dependable path to safer operations.

Specifications

• Amperage rating: 30A
• Voltage rating: 240V
• Product type: Fused Disconnect Switch
• Brand: Square D
• Model: H321N

Equip your electrical system with a purpose-built solution that prioritizes safety, reliability, and ease of maintenance. The Square D H321N is ready to deliver consistent performance where it matters most—out on the factory floor, in service rooms, and across demanding commercial installations.