Square D H221N - 30A, 240V, 2-Pole, Fused Disconnect Switch

The Square D H221N 30A, 240V, 2-Pole Fused Disconnect Switch is built for demanding industrial and commercial environments where safe electrical isolation is non-negotiable. This compact, reliable unit delivers dependable disconnection under load while supporting rigorous lockout/tagout (LOTO) procedures to protect maintenance personnel during service and repair work.

• Two-pole design for complete isolation — safeguards both live lines, ensuring a secure shutdown of equipment.
• 30A, 240V rating — well-suited for motors, pumps, HVAC equipment, and other common industrial loads.
• Fused protection — fuses interrupt current and help minimize arcing, enhancing safety and downstream equipment protection.
• Rugged, durable construction designed to withstand the rigors of busy facilities and long service life in harsh environments.
• LOTO compatibility — straightforward to apply lockout and tagging procedures, supporting safe maintenance practices.
• Brand trusted by professionals — Square D engineering and reliability you can depend on for critical electrical isolation tasks.

What problems does the H221N solve?

When maintenance windows arrive, you need to ensure powered equipment is safely isolated. The H221N provides a definitive, fuse-protected disconnection that technicians can trust, reducing risk during servicing and enabling compliance with lockout/tagout protocols. It’s ideal for facilities that routinely service motors, conveyors, pumps, and other demanding loads where a reliable, easily accessible isolation point matters.

Ideal use cases

• Motor control and repair desks in factories, warehouses, and processing plants
• Electrical rooms and control panels requiring a dedicated safety disconnect
• Maintenance shutoffs for HVAC systems, pumps, and industrial conveyors
• Situations where disconnection under load must be performed safely and repeatedly

Specifications at a glance

• 30 A
• Voltage: 240 V
• Poles: 2-Pole
• Type: Fused Disconnect Switch
• Brand: Square D
• Model: H221N

Choosing the Square D H221N means opting for a purpose-built solution that combines reliable fuse-protected disconnection with practical lockout/tagout support. Its straightforward install and robust construction help facility teams minimize downtime, protect personnel, and extend the life of connected equipment. If you need a proven, industrial-grade disconnect switch that aligns with real-world maintenance workflows, the H221N is a clear, confident choice.