Square D D324N - 200A, 240V, Fusible, Disconnect Switch

The Square D D324N is a rugged 200A, 240V fusible disconnect switch built for dependable on/off isolation and precise overcurrent protection in demanding industrial and commercial environments. When reliability matters, this disconnect switch delivers consistent performance and straightforward maintenance in a compact footprint.

• Model: D324N
• Amperage: 200A
• Voltage: 240V
• Fusible: Fusible design for integrated overcurrent protection

Why this fusible disconnect stands out

Designed for motor disconnects, panelboards, and branch circuit protection, the D324N combines a compact form factor with dependable protection. Its fusible construction means you get clear isolation in normal operation and reliable interruption during overcurrent events, reducing the risk of equipment damage and helping you manage maintenance with confidence.

Key benefits and practical advantages

• Immediate isolation for safety and maintenance — quick, clean disconnects keep personnel protected during servicing and troubleshooting.
• Dedicated overcurrent protection — the fused design provides a clear point of protection on 240V circuits, helping safeguard connected motors, panels, and branch circuits.
• Compact, maintainable design — engineered for tight electrical rooms and standard enclosure openings, with easy fuse access for quick replacements.
• Versatile deployment — ideal as a motor disconnect in 200A circuits or as a branch-circuit protection device within panelboards and service layouts.

Ideal use scenarios

• Motor disconnects in 200A, 240V applications where space is at a premium and reliable isolation is required.
• Panelboard installations needing a compact, maintainable fusible switch for safe, code-conscious operation.
• Branch circuit protection in commercial environments where quick fuse replacement minimizes downtime.

With the D324N, you’re choosing a trusted Square D solution that emphasizes practical protection, straightforward service, and dependable performance in real-world electrical environments. Whether upgrading an existing setup or configuring a new installation, this fusible disconnect switch provides a clear, reliable path to safer, more efficient electrical protection.