Square D H321NRB - 30A, 240V, 3-Pole, Fused Safety Switch

The Square D H321NRB is a 30A, 240V, 3-Pole Fused Safety Switch crafted for demanding industrial and commercial environments where safe electrical isolation is non‑negotiable. This rugged disconnect combines built‑in fuses with a sturdy enclosure to deliver dependable disconnection under load, while seamlessly supporting lockout/tagout procedures for safer maintenance workflows.

• Current and voltage: 30A at 240V, three‑pole configuration to reliably interrupt three‑phase circuits.
• Fused protection: Integrated fuses provide short‑circuit and overload protection, helping safeguard equipment and wiring and enabling a clean, safe shutdown when issues arise.
• Enclosure rating: NEMA 3R enclosure design, offering dependable performance in indoor or outdoor damp environments and harsh conditions.
• Safety and maintenance: Built to support proper lockout/tagout procedures, ensuring personnel can de‑energize equipment safely during service or repair.
• Durability for demanding use: Industrial‑grade construction designed for long‑term operational reliability in busy facilities.
• Reliable isolation: Three‑pole design ensures complete isolation of all hot conductors, reducing the risk of accidental energization during maintenance.

Ideal for motor control centers, conveyors, HVAC gear, outdoor equipment, and other machinery that requires a robust, code‑compliant disconnect. The Square D H321NRB (Model: H321NRB) delivers a confident, safe disconnect option that you can trust in daily operation, with the protection of built‑in fuses and a weather‑resistant enclosure. If you need a dependable solution for safe energy isolation in both indoor and damp outdoor settings, this fused safety switch is purpose‑built to meet the challenge.

Key specifications at a glance: 30A current rating, 240V voltage, 3‑pole design, NEMA 3R enclosure, Square D brand, model H321NRB, designed for reliable disconnection under load and compatibility with lockout/tagout procedures.