Square D H363 - 100A, 600V, 3-Pole, Safety Switch

Meet the Square D H363, a 100A, 600V, 3-Pole Safety Switch that brings trusted electrical isolation to demanding industrial and commercial environments. Designed to support proper lockout/tagout procedures and deliver dependable disconnection under load, this safety switch is built for long-term reliability where safety and uptime matter most.

Key specifications

• Amperage rating: 100A
• Voltage rating: 600V
• Number of poles: 3-Pole
• Product type: Safety Switch
• Brand: Square D
• Model: H363

Why the Square D H363 stands out

• Three-pole design ensures simultaneous isolation of all live conductors, enhancing safety during maintenance and service work.
• Specifically built to disconnect reliably under load, reducing risk and simplifying troubleshooting when systems need to be serviced without complete shutdown delays.
• Supports lockout/tagout procedures, helping facilities maintain compliant and safer work environments for technicians and operators.
• Durable by design for long-term service in busy facilities, offering steady performance across years of operation.

Ideal use cases

• Primary disconnect for electrical feeders feeding industrial equipment, motors, or MCCs (motor control centers).
• Sectional safety switch in commercial or light industrial panels where reliable isolation is required for maintenance.
• Installations where clear, immediate disconnection under fault or maintenance scenarios is essential to safety protocols.

Practical considerations and benefits

• Designed to integrate with existing safety programs, helping teams implement effective lockout/tagout without compromising on accessibility or speed.
• Provides a clear, dependable means of isolating power, contributing to safer work environments and faster, more confident maintenance routines.
• Compatible with typical industrial electrical infrastructure, offering a straightforward path to reliability without complex upgrades.

What to expect in use

With the Square D H363, you gain a dependable disconnect that supports critical safety routines, minimizes downtime during service, and delivers consistent performance across a range of industrial and commercial applications. This safety switch is a practical, proven solution for facilities that prioritize safety, reliability, and straightforward maintenance procedures.