Square D H324N - 200A, 240V, Fused Disconnect Switch

Engineered for demanding industrial and commercial environments, the Square D H324N 200A, 240V Fused Disconnect Switch delivers safe, reliable electrical isolation when service or maintenance is required. Its fused design provides built-in overcurrent protection, enabling confident de-energization of circuits while preserving system integrity.

Designed to support proper lockout/tagout procedures, this disconnect switch helps maintenance teams work safely by clearly isolating equipment from the power source. It delivers dependable disconnection under load, reducing the risk of arc faults and equipment damage during servicing, and supporting smooth, predictable downtime when you need it most. Built for long-term durability, the H324N stands up to the rigors of busy environments where reliability matters as much as performance.

Key advantages

• Amperage rating: 200 A for handling mid-size motors, pumps, and feeders
• Voltage rating: 240 V aligns with standard industrial power distributions
• Fused disconnect design provides built-in overcurrent protection, enhancing safety during fault conditions
• Supports lockout/tagout procedures to keep maintenance personnel safe during servicing
• Reliable disconnection under load, helping minimize downtime and equipment wear during switching
• Durable construction suited for long-term use in busy industrial and commercial settings

Ideal use cases

• Industrial machinery and motor control circuits on manufacturing lines
• Commercial building service feeders and critical equipment rooms
• HVAC systems and pumps where secure de-energization is essential for safe maintenance
• Maintenance windows requiring quick, verifiable electrical isolation

Why choose the Square D H324N

• Purpose-built safety: the fused disconnect format aligns with standard electrical safety practices in industrial settings
• Clear electrical protection: built-in fusing adds a layer of protection beyond a plain switch
• Reliability you can trust: designed for dependable disconnection under load, reducing risk during servicing
• Consistent performance with the Square D family, aiding compatibility with related components and accessories

Specifications at a glance

• Amperage Rating: 200 A
• Voltage Rating: 240 V
• Product Type: Fused Disconnect Switch
• Brand: Square D
• Model: H324N