Square D VH363RB - 100A, 600V, Fused Disconnect Switch

Square D VH363RB is a 100A, 600V fused disconnect switch designed for industrial and commercial electrical isolation. Built for reliable, safe operation, it ensures a clean, under-load disconnection and supports proper lockout/tagout procedures to protect personnel during maintenance and service.

Key features that matter in the real world

• 100A amperage rating provides solid control over mid-to-large power circuits without compromising safety or performance.
• 600V voltage rating suits typical industrial power distribution need, giving you a robust solution for demanding environments.
• Fused disconnect design combines isolation with overcurrent protection, streamlining electrical safety and reducing the number of separate components you need to stock.
• Lockout/tagout readiness supports compliant maintenance procedures, enabling crews to secure circuits before work begins.
• Durable, long-term reliability engineered for busy industrial and commercial settings where reliability is non-negotiable.
• Trusted brand Square D delivers familiar, dependable electrical safety equipment built to perform in demanding environments.

Why this fused disconnect makes sense for your facility

In facilities where safety and uptime are critical, a fused disconnect like the VH363RB reduces downtime and simplifies maintenance workflows. The integrated fuse protection minimizes fault currents and helps limit arc flash exposure, while the clear physical disconnect provides immediate visibility of the circuit status. This means fewer separate parts to manage and a clearer path to compliance with electrical safety practices.

Ideal applications

• Motor and process line isolation in manufacturing floors
• Feeder protection and service isolation in commercial facilities
• Maintenance panels where lockout/tagout procedures are standard practice
• Temporary power control for equipment rebuilds or commissioning activities

Durability and design considerations

Designed to withstand typical industrial environments, the VH363RB prioritizes dependable performance under load. Its robust construction supports repeated operation and sustained reliability, even in settings with regular switching and intermittent maintenance needs. For optimal performance, pair it with the appropriate fuse elements and install in accordance with applicable electrical codes and enclosure specifications.

Practical tips to maximize value

• Use the VH363RB as part of a comprehensive lockout/tagout program to safeguard maintenance personnel.
• Keep a balanced stock of compatible fuse elements to minimize downtime when replacements are needed.
• Document circuit connections and rating information so future maintenance or upgrades stay streamlined.
• Inspect the switch and fuse elements periodically for signs of wear or overheating, and replace as indicated by service guidelines.