Square D H324AWK - 200A, 240V, 3-Phase, Fusible, Disconnect Switch

Engineered by Square D, the H324AWK is a rugged 200A, 240V, 3‑phase fusible disconnect switch designed to deliver dependable on/off isolation and reliable overcurrent protection in demanding industrial and commercial environments. When you need a compact, maintainable solution for motor disconnects, panelboards, or branch circuits, this switch provides a precise, purpose-built answer.

Key advantages that matter in the real world

• High current, low footprint: 200A rating at 240V in a compact fusible disconnect that fits where space is at a premium.
• Three‑phase reliability: Optimized for three‑phase motor loads and equipment, ensuring balanced protection across all legs.
• Fusible protection: Built to provide overcurrent protection through compatible fuses, offering coordinated shutdown for larger motors and critical loads.
• Maintenance-friendly design: Maintains ease of service in busy electrical rooms, simplifying fuse replacement and routine inspections.
• Versatile applications: Ideal for motor disconnects, panelboards, and branch circuit protection where a compact, dependable switch is required.

Specifications at a glance

• Model: H324AWK
• Amperage: 200A
• Voltage: 240V
• Phase: 3‑Phase
• Fused: Fusible

Ideal use scenarios

• Motor control circuits in manufacturing lines, conveyors, pumps, and fans where reliable isolation is essential.
• Control panels and electrical enclosures requiring integrated, safe disconnect plus overcurrent protection.
• Retrofits or new installations in spaces that demand a compact, maintainable fusible switch without sacrificing protection.

Practical tips for installation and operation

• Pair with appropriate fuses to match motor start-up and running current, ensuring proper coordination with the load.
• Plan for accessible clearance around the switch to allow safe operation, testing, and fuse replacement.
• Incorporate standard lockout/tagout practices during maintenance to keep personnel safe during service and inspections.
• Keep spare fuses on hand and verify fuse ratings before replacement to maintain protection integrity.