Square D H221NRB - 30A, 240V, Fused Safety Switch

Meet the Square D H221NRB — a 30A, 240V fused safety switch engineered for industrial and commercial settings where safe electrical isolation is non-negotiable. This device enables proper lockout/tagout procedures and delivers a dependable disconnection under load, built for long-term durability in demanding environments.

Why this safety switch stands out

• Lockout/tagout readiness: designed to support secure maintenance practices, so authorized personnel can work safely.
• Under-load disconnection: ensures a reliable, clean shutdown of circuits without compromising safety.
• Fused protection: built-in fuses provide controlled interruption and a clear safety breakpoint during faults.
• Durability for harsh environments: engineered to maintain performance over many switching cycles in busy facilities.

Ideal applications

• Electrical disconnects in industrial production lines and equipment rooms
• Commercial power distribution panels requiring safe isolation
• Motor control and machinery setups where frequent shutoffs are part of the workflow
• Maintenance shutdowns and emergency-safe isolation procedures

Specifications at a glance

• Brand: Square D
• Model: H221NRB
• Product Type: Fused Safety Switch
• Amperage Rating: 30A
• Voltage Rating: 240V

How it supports safer, more reliable operations

Choosing the H221NRB means prioritizing worker safety and operational uptime. The fused safety switch provides a definitive isolation point, helping prevent accidental energizing during maintenance and ensuring that power can only be reconnected under controlled, safe conditions. This makes it a practical, durable choice for facilities that require dependable isolation and straightforward compliance with lockout/tagout protocols.