Square D MD3604X - 60A, 3-Pole, Disconnect Switch

Meet the Square D MD3604X 60A 3-Pole Disconnect Switch — a purpose-built solution for safe, reliable electrical isolation in demanding industrial and commercial environments. Designed to support proper lockout/tagout procedures, this disconnect switch ensures dependable disconnection under load, contributing to safer maintenance, servicing, and system reliability over the long term.

Key features that boost safety and uptime

• 60 Amp, 3-Pole design provides clean, reliable isolation for three-phase power systems, simplifying wiring and control schemes on motors, feeders, and equipment.
• NEMA 4X enclosure offers robust protection against water, dust, and corrosion, making it suitable for indoor and outdoor installations, wash-down areas, and harsher environments.
• Lockout/Tagout readiness built-in compatibility with padlocks and safety tags, helping technicians comply with OSHA and workplace safety protocols during maintenance.
• Disconnection under load capability ensures a safe break in current when switching off equipment, reducing delays and enabling controlled shutdowns without compromising safety.
• Trusted Square D engineering combines reliability, durability, and compatibility with broader electrical systems, making integration into existing panels straightforward.

Ideal applications

• Industrial production lines and manufacturing floors that require quick, safe isolation for maintenance or changeovers.
• Commercial facilities with three-phase equipment, conveyors, pumps, or HVAC systems needing reliable disconnects.
• Outdoor or wash-down environments where a rugged enclosure protects electrical components from moisture and corrosion.
• Workflows built around lockout/tagout procedures, ensuring that technicians can secure circuits before service begins.

Why this disconnect switch matters

The MD3604X is more than a switch — it’s a safety and reliability investment. By combining a robust 60A three-pole configuration with a NEMA 4X enclosure, it delivers durable protection in real-world conditions. The design supports clean, compliant lockout/tagout processes, helping facilities minimize downtime and maximize safety during routine servicing and emergency isolation. In environments where equipment must be safely isolated under load, this disconnect switch provides a trusted, long-lasting solution.

Specifications at a glance

• Square D
• MD3604X
• Disconnect Switch
• 60A
• 3-Pole
• NEMA 4X

Designed for serious industrial and commercial use, the Square D MD3604X 60A 3-Pole Disconnect Switch combines precise electrical isolation, rugged protection, and safety-ready features to keep your systems running smoothly and your maintenance teams protected.