Square D H363 - 100A, 600V, Heavy-Duty, Safety Switch

Engineered for the toughest environments, the Square D H363 100A, 600V Safety Switch provides dependable on/off isolation and robust overcurrent protection. This heavy-duty safety switch is purpose-built for industrial and commercial settings where reliability and quick, safe disconnects are essential.

Key specifications

• Model: H363
• Amperage: 100A
• Voltage: 600V
• Duty: Heavy

Why this safety switch stands out

• Rugged construction built for demanding environments that see dust, vibration, and high usage
• Reliable on/off isolation to protect personnel during maintenance and to safeguard downstream equipment
• Integrated overcurrent protection for motor loads, panelboards, and branch circuits
• Compact footprint with straightforward maintenance access for easier installation and service

Ideal applications

• Motor disconnects in manufacturing lines and industrial facilities
• Protection and isolation for feeder circuits in panelboards
• Branch circuit protection for HVAC systems, pumps, conveyors, and other heavy equipment
• Upgrading aging electrical protection where reliability is critical

The H363 delivers tangible benefits: quick, safe disconnections during maintenance or fault conditions, reduced downtime through dependable fault clearing, and compatibility with standard control wiring and enclosures used in industrial and commercial installations. Its 600V rating supports mid- to high-voltage control schemes, while the 100A capacity handles a wide range of motors and equipment with confidence.

Choosing the Square D H363 means prioritizing safety, serviceability, and long-term reliability in your electrical protection strategy. Ideal for motor control centers, panelboards, and branch circuits where dependable isolation matters most.