Square D H221AWK - 30A, 240V, 2-Pole, Fused Disconnect Switch

Meet the Square D H221AWK 30A, 240V, 2-Pole Fused Disconnect Switch—the rugged solution for safe, reliable electrical isolation in demanding industrial and commercial environments. Built to support proper lockout/tagout procedures, this switch ensures maintenance and servicing can be performed with confidence, minimizing downtime and safety risks.

• Amperage rating: 30 A
• Voltage rating: 240 V
• Poles: 2-Pole
• Enclosure: NEMA 3R, designed for durability in outdoor and harsh environments
• Product type: Fused Disconnect Switch
• Brand/Model: Square D H221AWK

The fused design delivers dependable disconnection under load, a critical requirement for equipment like motors, pumps, and HVAC systems. With the H221AWK, you gain built-in overcurrent protection that helps prevent electrical faults from spreading through your system, contributing to safer start-ups and shutdowns and reducing the risk of arc flash during maintenance.

Ideal use cases

Perfect for applications where you need a reliable, easily isolatable disconnect on heavy machinery or outdoor equipment. Typical scenarios include:

• Motors and conveyors in manufacturing environments
• Pumps and fluid handling systems in plants or outdoor installations
• HVAC equipment serving large facilities
• Outdoor electrical subcircuits requiring robust protection and weather resistance

Why this model stands out: the H221AWK combines a compact 2-pole fused switch with a weather-resistant enclosure, making it a practical choice for spaces where rugged performance and safe maintenance are non-negotiable. The 30 A rating provides ample current capacity for many mid-sized installations while maintaining a clear, decisive disconnect when needed.

Practical notes for deployment and upkeep: ensure lockout/tagout procedures are followed during servicing, replace fuses only with compatible equivalents, and periodically inspect the enclosure for signs of wear or moisture ingress. With proper installation, this Square D disconnect switch delivers consistent performance, long-term durability, and peace of mind for operators and maintenance teams alike.