Square D H221NDS - 30A, 240V, 2-Pole, Fused Safety Switch

The Square D H221NDS is a purpose-built 30A, 240V, 2-pole fused safety switch designed for industrial and commercial environments that demand dependable electrical isolation. Built to support proper lockout/tagout procedures, this switch provides a clear, reliable disconnect under load, helping protect maintenance personnel and equipment alike.

Why this fused safety switch stands out

• Two-pole isolation guarantees both hot legs are disconnected, delivering thorough electrical isolation for safer servicing of motor loads and control circuits.
• Fused protection adds an immediate disconnection under fault or overload conditions, reducing arc exposure and equipment stress.
• Lockout/tagout compatibility built to integrate with standard safety procedures, supporting compliant maintenance practices and safer work environments.
• Solid performance designed for long-term durability in demanding industrial and commercial settings, ensuring reliable operation year after year.

Ideal applications

• Motor control and power isolation for conveyors, pumps, compressors, and HVAC systems.
• Maintenance shutdowns where a clear, secure disconnect is essential for worker safety.
• Service disconnects in electrical panels and machinery where a compact, robust fused switch is preferred over non-fused alternatives.

Specifications at a glance

• Amperage Rating: 30A
• Voltage Rating: 240V
• Number of Poles: 2-Pole
• Product Type: Fused Safety Switch
• Brand: Square D
• Model: H221NDS

Practical tips for best results

• Pair with compatible fuses to ensure reliable protection and predictable trip behavior during faults.
• Incorporate it into your maintenance workflow by placing it at the primary service disconnect or machine-specific isolation point for quick, safe shutdowns.
• Document lockout/tagout procedures and train staff to verify full isolation before servicing any connected equipment.

Choosing the Square D H221NDS means opting for a trusted, purpose-built solution that prioritizes safety, reliability, and clear electrical isolation in demanding environments. Its 30A, 240V, 2-pole fused design delivers the precise balance of protection and accessibility needed for everyday industrial and commercial power control.