Square D H363NRB - 100A, 600V, Disconnect Switch

Overview

The Square D H363NRB is a purpose-built disconnect switch engineered for industrial and commercial environments where safe electrical isolation is non-negotiable. With a 100A amperage rating and a 600V maximum, this device delivers reliable disconnection under load and is designed to stand up to demanding, real-world use. It supports proper lockout/tagout procedures, helping to safeguard maintenance personnel during service and repairs.

Why choose the Square D H363NRB?

• Precise current and voltage capabilities: 100A at up to 600V, providing a robust solution for a wide range of motors, feeders, and equipment in industrial settings.
• Reliable isolation under load: Engineered to deliver dependable disconnection when it’s most needed, reducing downtime and improving system safety.
• Lockout/tagout compatibility: Designed to work with standard LOTO practices, aiding compliant and safe maintenance procedures.
• Long-term durability: Built to endure the rigors of commercial installations, delivering consistent performance over time.
• Compact, practical design for commercial and industrial panels: Fits into control panels and service disconnects where a dedicated isolation switch is required.

Ideal applications

• Motor control centers and line disconnects in manufacturing environments
• Service disconnects for large HVAC or processing equipment
• Maintenance enclosures where safe isolation is critical
• Commercial facilities that require dependable, code-compliant electrical isolation

Technical snapshot

• Brand: Square D
• Model: H363NRB
• Product Type: Disconnect Switch
• Amperage Rating: 100A
• Voltage Rating: 600V

Practical considerations and tips

For optimal safety and performance, pair the H363NRB with your facility’s established lockout/tagout procedures and ensure installation is performed by qualified personnel in accordance with applicable electrical codes. This disconnect switch is designed to integrate into existing control schemes where a reliable isolation point is essential for safe maintenance, troubleshooting, and routine servicing of equipment.