Square D H363RB - 100A, Heavy Duty Safety Switch

Meet the Square D H363RB, a 100A Heavy Duty Safety Switch engineered for robust electrical isolation in demanding industrial and commercial environments. This disconnect is purpose-built to support proper lockout/tagout procedures, helping maintenance teams work safely and efficiently while keeping downtime to a minimum.

Key benefits you’ll notice

• 100A electrical rating: Reliable disconnection for medium-power circuits, giving you clear separation between powered and de-energized states when servicing equipment.
• Heavy-duty reliability: Built for long-term durability in busy facilities, delivering consistent performance when it matters most.
• Safe isolation: Enables clean, unambiguous isolation of electrical circuits, reducing the risk of unintended energization during maintenance.
• Under-load disconnection: Designed to disconnect circuits while energized, helping minimize downtime and improve safety during servicing.
• Lockout/Tagout readiness: Supports standard LO/TO procedures to ensure equipment stays safely de-energized during work.
• Trusted Square D quality: Part of the Square D line, known for dependable performance in industrial electrical applications.

Ideal applications

This safety switch is a natural fit for facilities that require dependable access control to electrical feeders and circuits. It serves manufacturing floors, warehouses, commercial complexes, and service-oriented sites where consistent isolation and safe maintenance are priorities.

How it helps your operation

• Facilitates safer maintenance workflows by providing a clear, verifiable means to de-energize equipment.
• Minimizes downtime through reliable under-load disconnection, allowing quicker service without compromising safety.
• Supports compliance with lockout/tagout protocols, helping you meet safety standards and reduce risk.

Key specifications

• Amperage rating: 100A
• Product type: Heavy Duty Safety Switch
• Brand: Square D
• Model: H363RB

Practical guidance

For best results, install following applicable electrical codes and manufacturer guidelines. Use the H363RB in environments where steady performance, reliable isolation, and LO/TO compatibility are essential for maintenance safety and operational continuity.