RC-MSD4-630A/750V-CY - 630A, 750V, Disconnect Switch

The RC-MSD4-630A/750V-CY disconnect switch is engineered for tough industrial and commercial environments where safe electrical isolation is non-negotiable. With a 630A amperage rating and a 750V rating, it delivers dependable disconnection even when circuits are under load. Built to support lockout/tagout procedures, this switch protects maintenance personnel and equipment during service and maintenance windows, while providing long-term durability in demanding applications.

Key advantages

• 630A amperage rating — handles high-current circuits with confidence, reducing the need for frequent replacements.
• 750V voltage rating — compatible with a wide range of industrial power systems, from control panels to automation racks.
• Lockout/tagout readiness — designed to integrate with standard LOTO devices, simplifying worker safety compliance.
• Under-load disconnection — ensures safe isolation even while equipment is energized, minimizing risk during maintenance.
• Rugged long-term durability — built to endure industrial vibration, dust, and temperature variations for years of service.

Ideal applications

• Industrial facilities and manufacturing lines requiring safe power disconnection during maintenance.
• Commercial environments with high-power equipment and frequent service shutoffs.
• Electrical service panels and machine rooms where predictable isolation is critical.

How it works

When you switch RC-MSD4-630A/750V-CY to the off position, the contacts open to create a clear, safe boundary that isolates the circuit. Its design supports standard lockout/tagout practices, ensuring that once a device is locked out, it stays isolated until maintenance is complete and the area is declared safe. This combination of reliable disconnection and safety integration helps prevent accidental energization during servicing.

Technical specifications

• Model: RC-MSD4-630A/750V-CY
• Product Type: Disconnect Switch
• Amperage Rating: 630A
• Voltage Rating: 750V