Square D MD3304X - 30A, Disconnect Switch

The Square D MD3304X 30A Disconnect Switch is engineered for industrial and commercial environments that demand safe electrical isolation and dependable disconnection. With a design built to support lockout/tagout procedures, this switch provides a clear, reliable way to isolate circuits during maintenance, service, or emergency shutdowns—minimizing downtime while maximizing technician safety.

Why the MD3304X stands out

• 30 Ampere rating aligns with common control circuits and smaller motor feeders, delivering a robust disconnect option without unnecessary overkill.
• Lockout/Tagout compatibility supports OSHA-compliant safety protocols, giving maintenance teams a trusted method to secure circuits during work.
• Under-load disconnection ensures a safe and decisive open even when the circuit is actively delivering power, helping prevent accidental re-energization during servicing.
• Long-term durability designed for frequent use in challenging industrial and commercial settings, reducing the need for frequent replacements or adjustments.
• Seamless integration built to fit standard electrical systems and control schemes, making it a practical add-on for existing panels and enclosures.

Ideal applications and practical use cases

• Maintenance shutdowns for machinery, conveyor systems, and production lines where a reliable isolation point is essential.
• Service areas and electrical rooms requiring a clear, verifiable disconnect during routine inspections.
• Building systems and utility panels where safe isolation supports routine testing, fault diagnosis, or component replacement.

Who benefits from the MD3304X

Facility managers, electrical contractors, maintenance technicians, and plant engineers looking for a dedicated, dependable disconnect switch that enhances safety and operational uptime will find the MD3304X well-suited to their workflows.

Specifications at a glance

• Amperage Rating: 30A
• Product Type: Disconnect Switch
• Brand: Square D
• Model: MD3304X

Choose the Square D MD3304X when you need a proven disconnect solution that pairs straightforward installation with rigorous safety practices, ensuring reliable isolation when it matters most.