Square D H363RB - 100A, 600V, 3-Pole, Fused Safety Switch

Meet the Square D H363RB – a purpose-built fused safety switch engineered for demanding industrial and commercial environments where safe electrical isolation is non-negotiable. With a 100A rating and a 600V maximum, this 3-Pole device provides dependable disconnection under load while supporting rigorous lockout/tagout procedures for safer maintenance.

Designed to deliver consistent performance, the H363RB combines robust fused protection with precise control. The three-pole configuration ensures all conductors in a 3-phase system are simultaneously isolated, helping prevent accidental energization during servicing and reducing the risk of arc-related incidents. This is the kind of reliability you rely on when uptime and worker safety are priorities.

• Amperage Rating: 100A
• Voltage Rating: 600V
• Number of Poles: 3-Pole
• Product Type: Fused Safety Switch
• Brand / Model: Square D H363RB

Key benefits

• Lockout/Tagout ready: Supports standard safety procedures to prevent accidental energization during maintenance.
• Safe isolation: Ensures all lines are disconnected in multi-phase systems for safer servicing.
• Durable, mission-focused design: Built to hold up in tough industrial and commercial environments over the long term.
• Reliable disconnection under load: Delivers predictable, safe outage performance when it matters most.

Ideal applications

Best suited for service disconnects in three-phase systems, equipment rooms, motor control circuits, and distribution feeders where dependable safety isolation and quick, safe shutdowns are essential. Whether you’re coordinating routine maintenance, performing inspections, or implementing emergency shutdowns, the H363RB provides the control and protection your operation requires.

Why choose this model

• Distinctive fused safety design offers robust interruption capabilities tailored for reliability in daily operations.
• Clear alignment with safety practices in industrial or commercial facilities, thanks to built-in support for lockout/tagout procedures.
• Compact, durable footprint that fits standard electrical installations without compromising performance.

For facilities that demand trustworthy isolation, dependable disconnection, and straightforward safety compliance, the Square D H363RB 100A/600V 3-Pole Fused Safety Switch stands out as a smart, durable choice.