Square D H221NRB - 30A, 240V, Heavy-Duty, Safety Switch

Introducing the Square D H221NRB, a 30A, 240V heavy-duty safety switch engineered for reliable on/off isolation and overcurrent protection in demanding industrial and commercial environments. This rugged disconnect delivers a compact, maintainable fusible switch solution where safe power control is non-negotiable.

Key specifications at a glance

• Model: H221NRB
• Amperage: 30A
• Voltage: 240V
• Duty: Heavy
• Intended use: Motor disconnects, panelboards, and branch circuit protection with a compact, maintainable fusible switch

Why this safety switch matters

• Built for industrial and commercial environments where durable isolation and protection are essential
• Provides quick, reliable on/off control to safely disconnect power for maintenance or in emergencies
• Maintains fusible protection in a compact form factor, simplifying panel design and serviceability
• Balances protection with easy accessibility to support safer operator workflows

Practical use cases

• Motor disconnects for equipment like conveyors, pumps, fans, and other heavy-load devices
• Main or branch circuit protection in panelboards and electrical racks
• Fast power isolation at service entrances or equipment rooms during routine maintenance

Installation and maintenance tips

• Choose this switch when you need a robust, field-serviceable solution that fits standard panel enclosures
• Verify voltage and amperage alignment with your circuit to ensure safe, compliant operation
• Plan for straightforward maintenance access to facilitate fuse checks and routine servicing

With the Square D H221NRB, you get trusted safety engineering designed to keep electrical systems running smoothly while providing dependable disconnection and protection when it matters most.