Square D H221NRB - 30A, Disconnect Switch

Introducing the Square D H221NRB 30A Disconnect Switch—a purpose-built solution for safe electrical isolation in demanding industrial and commercial environments. This disconnect switch is engineered to perform a clean, reliable disconnection under load while supporting lockout/tagout procedures, helping maintain worker safety and compliance during maintenance or servicing.

Key advantages

• 30 Ampere rating: Suitable for small to mid‑range feeders and control circuits where a dedicated service disconnect is required.
• Lockout/Tagout compatibility: Designed to accept standard lockout devices, enabling secure isolation during servicing.
• Dependable disconnection under load: Provides reliable isolation even when connected equipment is energized, reducing risk during maintenance.
• Durable, long-term construction: Built to endure the rigors of busy industrial and commercial settings, delivering consistent performance over time.
• Easy integration: Compatible with common control panels and switchgear that utilize Square D disconnect devices, streamlining installation and upgrades.

Ideal use cases

• Control panels and machine assemblies in manufacturing lines where quick, safe isolation is essential.
• HVAC systems, pumps, conveyors, and other mechanical equipment in commercial facilities requiring clear shutdown points.
• Maintenance windows and routine servicing where lockout/tagout ensures operator safety.

Designed for reliability in real-world environments

The H221NRB is specifically chosen when reliability, safety, and compliance are priorities. Its 30A rating provides the right balance between current capacity and disconnect visibility, helping operators avoid accidental energization during servicing. When you need a dedicated isolation point that you can trust day after day, this Square D disconnect switch delivers.

Specifications (quick reference):

• Amperage Rating: 30A
• Product Type: Disconnect Switch
• Brand: Square D
• Model: H221NRB