Square D VH321N - 30A, Fused Disconnect Switch

The Square D VH321N 30A Fused Disconnect Switch is built for serious electrical isolation in demanding industrial and commercial settings. Designed to provide a clear, controlled disconnect path, it ensures circuits can be safely isolated during maintenance or servicing without compromising system integrity.

With a robust fused design, the VH321N delivers dependable disconnection under load, helping protect personnel and equipment while reducing fault energy for safer, more predictable outages. Its construction is optimized for long-term durability in environments where reliability matters most, from manufacturing floors to large commercial facilities.

Safety and compliance are embedded in its design. The switch supports proper lockout/tagout procedures, allowing technicians to secure circuits and carry out work with confidence. This makes it an essential component wherever routine service, testing, or repair needs to be performed without risk of accidental energization.

Key advantages of choosing the Square D VH321N:

• Clear 30A protection: Meets common commercial and light industrial load requirements while providing a definitive disconnect point.
• Fused disconnect functionality: Combines isolation with overcurrent protection in one compact unit, simplifying panel design and maintenance planning.
• Lockout/Tagout readiness: Easily integrates into established safety programs to keep maintenance crews safe during service windows.
• Industrial-grade reliability: Built to withstand the demands of daily operation in busy facilities, delivering consistent performance over time.

Typical use cases include serving as the main service disconnect in a panel, isolating motor feeders, or providing a safe, maintainable break point for electrical equipment. Ideal for facilities where quick, reliable isolation is critical for uptime and safety, the VH321N helps technicians work with confidence and efficiency.

Specifications at a glance

• Amperage rating: 30A
• Product type: Fused Disconnect Switch
• Brand: Square D
• Model: VH321N