Schneider Electric MD3304X - 30A, 3-Pole, Disconnect Switch

Schneider Electric MD3304X – a rugged 30A, 3-Pole Disconnect Switch engineered for industrial and commercial environments that demand safe, reliable electrical isolation. This unit is purpose-built to support lockout/tagout procedures, delivering dependable disconnection under load while withstanding years of demanding service in panelboards, switchgear, and service entrances.

Why the MD3304X stands out

• Lockout/Tagout readiness: specifically designed to integrate into established safety programs, helping workers isolate circuits with confidence during maintenance or repair.
• True 3-Phase isolation: a 3-pole configuration ensures each phase is securely disconnected, reducing the risk of partial energization in complex systems.
• Reliable performance under load: engineered to provide clean, stable disconnection when circuits are energized, supporting safer commissioning and servicing.
• Durability you can count on: built for long-term durability in busy industrial and commercial settings, where reliability is non-negotiable.
• Brand you trust: Schneider Electric’s legacy in electrical safety and control solutions backs every MD3304X installation.

Who this product is for

Ideal for facilities engineers, maintenance technicians, electricians, and panel builders who manage 3-phase power in manufacturing floors, processing plants, data centers, warehouses, and commercial installations. If your work requires safe, validated isolation of energized circuits, the MD3304X is a practical, lift-ready choice.

Practical applications and use cases

• Service disconnects for motor control centers and switchgear in industrial settings.
• Electrical isolation points within commercial panels where regular maintenance occurs.
• Primary shutoff in feeders and branch circuits that must meet lockout/tagout safety standards.
• Redundant or interim disconnects in test environments and commissioning projects.

Specifications at a glance

• Amperage Rating: 30 A
• Number of Poles: 3-Pole
• Product Type: Disconnect Switch
• Brand: Schneider Electric
• Model: MD3304X

Installation, safety, and maintenance tips

Plan for secure panel mounting and verify compatibility with existing gear and wiring practices. Always follow local electrical codes and your organization’s lockout/tagout procedures. Regularly inspect the switch for signs of wear, corrosion, or loosened connections, and test the system after maintenance to confirm a reliable, isolated state before re-energizing.

With the MD3304X, you’re equipping your facility with a dependable, purpose-built disconnect switch that prioritizes worker safety, simplifies compliance, and supports steady operation across demanding 3-phase electrical environments.