RD40-3-508 - 40A, 3-Pole, Disconnect Switch

RD40-3-508 is a rugged 40A, 3-pole disconnect switch engineered for reliable on/off isolation and precise overcurrent protection in demanding industrial and commercial environments.

This compact, maintainable fusible switch is designed to streamline service and wiring for three-phase systems, delivering predictable operation and straightforward fuse maintenance where space is at a premium.

Why choose RD40-3-508

• Three-pole performance: Full three-phase isolation ensures safe shutdown of motors and equipment, reducing downtime during maintenance or fault conditions.
• Compact footprint: A space-efficient design fits tight panelboards and control enclosures without compromising accessibility or safety.
• Fusible switch capability: Built to integrate overcurrent protection in a single, consolidated unit for streamlined electrical protection strategies.
• Maintenance-friendly: Engineered for straightforward fuse replacement and servicing, minimizing shop time and operational interruptions.
• Rugged for harsh environments: Constructed to withstand the demands of industrial facilities, guaranteeing dependable performance over time.

Ideal applications

• Motor disconnects in manufacturing lines, conveyors, and machine tooling
• Panelboards requiring a dedicated, easily serviceable disconnect switch
• Branch circuit protection for critical equipment in space-constrained installations

Key specifications at a glance

• Model: RD40-3-508
• Amperage: 40A
• Poles: 3-Pole

In environments where reliable isolation and robust overcurrent protection are non-negotiable, the RD40-3-508 delivers a focused, practical solution. Its three-pole configuration supports clean, safe shutdowns for three-phase systems, while the compact design makes it a smart choice for panel installations and retrofit projects. When you need a dependable disconnect switch that blends protection, accessibility, and space efficiency, RD40-3-508 is engineered to perform.