Square D H322N - 60A, 240V, 3-Pole, Fused Disconnect Switch

The Square D H322N 60A, 240V, 3-Pole Fused Disconnect Switch delivers reliable electrical isolation for demanding industrial and commercial environments. Engineered for safe lockout/tagout procedures and dependable disconnection under load, this compact switch is built to endure daily operation and long-term durability.

Key features

• Three-pole design provides complete circuit isolation for 240V systems, enhancing safety during maintenance and service.
• 60A amperage rating suited for controlling moderate to heavy electrical loads with confidence.
• Fused disconnect combines isolation with overcurrent protection, helping protect equipment and conductors from faults.
• NEMA 1 enclosure offers indoor protection with a simple, rugged enclosure ideal for controlled indoor environments.
• Lockout/tagout readiness supports compliant maintenance practices and personnel safety during servicing.
• Brand reliability with Square D engineering, designed for consistent performance in challenging settings.

Ideal applications

• Industrial equipment rooms, manufacturing lines, and assembly floors requiring reliable isolation and protection.
• Commercial HVAC systems, pumps, conveyors, and motor-driven loads where a clear, safe disconnect is essential.
• Control panels and electrical cabinets that demand straightforward maintenance without compromising safety.

Why this matters

In environments where downtime is costly and safety is paramount, the H322N provides a decisive, dependable disconnection under load. The fused design minimizes arc exposure and protects downstream devices, while the three-pole configuration ensures a complete disconnect of all conductors. Its robust indoor enclosure stands up to daily use, and its compatibility with lockout/tagout protocols simplifies compliance and personnel protection.

Technical snapshot

• 60A
• 240V
• Number of poles: 3-Pole
• Enclosure: NEMA 1
• Product type: Fused Disconnect Switch
• Brand/model: Square D H322N

Installation & practical tips

Plan for indoor installation in clean, dry electrical rooms or panels where a robust isolation device is required. Ensure compliant lockout/tagout procedures are in place, and select fuse elements appropriate for the specific load current and fault conditions. Use the H322N as part of a broader safety strategy that includes proper labeling, clear maintenance intervals, and routine verification of disconnect status to minimize risk and maximize uptime.