Square D H221N - 30A, 240V, 2-Pole, Fusible, Safety Switch

Introducing the Square D H221N, a rugged 30A, 240V, 2-Pole Fusible Safety Switch built for reliable isolation and overcurrent protection in demanding industrial and commercial environments. This device is purpose-built for motor disconnects, panelboards, and branch circuit protection where space is at a premium and maintenance matters.

Key features and benefits

• 2-Pole, 240V operation delivers coordinated protection across both hot legs for balanced performance in typical motor and circuit loads.
• Fusible design provides integrated overcurrent protection with a straightforward maintenance path for fuses, reducing downtime and simplifying service in industrial or commercial settings.
• Compact, maintainable footprint fits into tight electrical rooms and retrofit projects without sacrificing protective capability.
• Engineered for reliability built to withstand the rigors of demanding environments while delivering dependable on/off isolation.
• Versatile protection ideal for motor disconnects, panelboards, and branch circuits where quick, safe disconnection is required.

Ideal use cases

Whether you're wiring a small motor drive, protecting a branch circuit in a control panel, or providing a dedicated disconnect in a compact electrical room, the H221N offers a trusted solution with a familiar Square D pedigree.

What makes it stand out

Unlike generic disconnects, the H221N pairs a fusible protection scheme with a rugged safety switch design from Square D, delivering clear isolation and controllable protection for your critical electrical loads. Its 30A rating covers common industrial motors, pumps, fans, and conveyors, while the 240V specification aligns with standard commercial and light industrial power distribution.

Specifications at a glance

• Model: H221N
• Amperage: 30A
• Voltage: 240V
• Poles: 2-Pole
• Fusible: Yes