Square D DU324RB 200A 3P 240V Safety Switch, NEMA 3R, Fusible, Non-Fusible | AmpState

Square D DU324RB is a dependable safety switch designed for equipment disconnect and isolation right at the point of use. With a 200 A rating across 3 poles and a 240 V supply, it provides a clear, safe path to shut down complex loads when service or maintenance is required.

Engineered for challenging conditions, the NEMA 3R enclosure protects while exposed to weather or damp environments, making it a solid choice for outdoor electrical rooms, exterior equipment, or industrial floors where reliability matters most.

The DU324RB is available in both Fusible and Non-Fusible configurations, giving you the flexibility to match protection schemes with your system design and spare inventory practices. This part-numbered solution is ideal for teams who value precise replacements that minimize downtime and mis-orders.

Why choose this safety switch? It combines robust disconnect capability with precise compatibility—so you can quickly isolate circuits, protect downstream equipment, and simplify maintenance workflows. The direct part-number match reduces procurement friction, while the 3P 200 A, 240 V specification covers a broad range of three‑phase loads common in manufacturing, processing, and facilities management.

• Three-pole, 200 A at 240 V supports typical three‑phase motors and feeders with clear visibility for safe operation.
• NEMA 3R enclosure delivers weather and moisture resistance for indoor/outdoor use.
• Fusible and Non-Fusible configurations provide procurement and design flexibility to meet exact protection needs.
• Direct part-number match simplifies maintenance planning, panel builds, and spare inventories.
• Ideal for: maintenance teams, panel builders, and technicians who need reliable, at-the-point-of-use isolation.

Who is this for? Maintenance crews maintaining outdoor equipment, panel constructors wiring 3P systems, and facilities teams that keep spare parts on hand for rapid service operations. It’s a trusted choice when uptime and safety are non-negotiable.

How AmpState supports you—this product is available from AmpState, and if you’re unsure about a perfect fit, the AmpState team can help you confirm compatibility and guide part-number matching. For quick, confident procurement, you’ll find a direct, proven solution in the DU324RB lineup.