Square D VHU361 - 30A, 600V, Non-Fusible Disconnect Switch

The Square D VHU361 is a purpose-built non-fusible disconnect switch engineered for industrial and commercial environments that require safe, reliable electrical isolation. With a 30A rating and support for up to 600V, this unit delivers decisive disconnection under load while enduring the rigors of daily indoor use.

Designed to support proper lockout/tagout procedures, the VHU361 helps teams maintain rigorous safety standards during maintenance, testing, and system changes. Its non-fusible design means a straightforward, reusable solution for isolating power paths without the need for fuse replacements, reducing downtime and simplifying routine safety workflows.

Key specifications

• Amperage rating: 30A
• Voltage rating: 600V
• Enclosure: NEMA 1 (indoor general purpose)
• Product Type: Non-Fusible Disconnect Switch
• Brand: Square D
• Model: VHU361

What makes it stand out

• Reliable load-side disconnection: Confidently isolate energized circuits under operating conditions, supporting safe maintenance and rapid shutdowns.
• Durable indoor enclosure: The NEMA 1 rating ensures dependable protection in general indoor environments, reducing exposure to dust and incidental moisture.
• Safety-focused design: Built to integrate with standard lockout/tagout practices, promoting compliant, repeatable safety procedures.
• Long-term durability: Robust construction supports frequent operation in demanding industrial and commercial settings, contributing to lower lifecycle costs.

Ideal use cases

• Service disconnects for 600V electrical feeders in commercial facilities
• Section or zone isolation in industrial control panels and electrical rooms
• Maintenance shutdowns where clear, immediate power isolation is required

How this compares to alternatives

Choosing a non-fusible disconnect like the VHU361 provides immediate, mechanical isolation without the complexity of fuse management. It’s especially advantageous when you need a repeatable, quick-operating solution that aligns with lockout/tagout procedures, versus fused disconnects that require fuse maintenance and replacements.

Practical tip: Pair the VHU361 with clearly labeled safety tags and compatible lockout devices to streamline compliance and minimize downtime during routine service and inspections.