Square D HU363WC Switch, 100A, 3-Pole, 600V

The Square D HU363WC switch is a rugged, industrial-grade disconnect designed to safely isolate circuits in demanding electrical environments. With a 3-pole configuration and a 100-amp rating at 600 volts, this switch provides a reliable, code-ready solution for powering down equipment during service, maintenance, or replacement projects.

Designed to enhance technician safety and streamline maintenance workflows, the HU363WC's three-pole design ensures all hot conductors in a 3-phase system can be isolated, reducing risk during outages and routine work. Its 600V rating broadens compatibility with mid-size industrial equipment and feeders, while the 100A capacity supports moderate-load disconnects without compromising reliability.

Key specifications

• Manufacturer: Square D
• Part Number: HU363WC
• Product Type: Switch
• Amperage: 100 A
• Poles: 3
• Voltage: 600 V

Why this switch stands out

• Three-pole isolation ensures complete disconnection of all conductors in a 3-phase system, improving safety during maintenance and setup changes.
• 600V rating extends compatibility with common industrial power distributions and equipment cabinets.
• 100A capacity is well-suited for medium-duty service disconnects in manufacturing lines, processing equipment, and control panels.
• Part-number specificity (HU363WC) helps you confirm the right fit for your application, reducing installation guesswork.

Ideal use cases

• Industrial electrical service projects requiring a reliable disconnect for maintenance and servicing.
• Replacement installations where a like-for-like 3-pole, 100 A, 600 V switch is needed to match existing equipment.
• 3-phase system setups in factories, workshops, and facilities that demand safe, efficient power isolation.

Compatibility and practical notes

• Verify fit by part number and application requirements to ensure proper mounting and electrical clearance.
• Need help confirming compatibility? Message us and we’ll assist with part-number matching and application alignment.

Equip your electrical system with a trusted disconnect that pairs Square D’s reliability with a straightforward, maintainable design. The HU363WC is ready to support safe, efficient service, maintenance, and replacement tasks in demanding industrial environments.