Square D MD3304X - 30A, 3-Pole, Disconnect Switch

The Square D MD3304X 30A, 3-Pole Disconnect Switch is engineered for safe electrical isolation in demanding industrial and commercial environments. Designed to support proper lockout/tagout procedures, this switch delivers dependable disconnection under load and stands up to years of daily use.

• 30A rating provides reliable isolation for medium-load circuits without compromising safety.
• Three-pole design isolates all conductors of a three-phase system for true shutdown and protection against backfeed.
• Lockout/Tagout compatibility supports standard safety procedures to protect workers during maintenance.
• Durable construction built to withstand industrial conditions, delivering long-term durability and consistent performance.
• Simple integration suitable for installation in panel enclosures and commercial installations where safe isolation is essential.
• Load-disconnect capability ensures clean, controlled disconnection even when the circuit is energized, reducing arc-flash risk and equipment wear.

Who benefits from the MD3304X

Facility technicians, electricians, and maintenance teams in factories, warehouses, and large commercial sites rely on this switch to meet safety standards during routine servicing and equipment changes. It’s ideal for service disconnects, motor circuits, and equipment feeders where reliable isolation is critical.

Practical use cases

• Service disconnects in electrical panels, switchgear, and feeder systems
• Isolation for motor control centers and high-branch circuits
• Maintenance windows requiring strict lockout/tagout compliance
• Retrofits or new installations needing a durable 30A, 3-Pole disconnect solution

Why choose Square D MD3304X

Choosing Square D means tapping into a trusted brand renowned for reliability in industrial power distribution. The MD3304X emphasizes safe shutdown, lockout readiness, and consistent performance under load, helping minimize downtime and protect personnel during servicing.

Upgrade your electrical safety toolkit with the MD3304X — a robust, purpose-built disconnect switch designed to keep your team safe and your operations flowing smoothly.