Square D HU364 - 200A, Heavy-Duty, Safety Switch, NEMA 1

Square D HU364 – 200A Heavy-Duty Safety Switch, NEMA 1

Engineered for reliability in demanding industrial and commercial settings, the HU364 delivers robust on/off isolation and dependable overcurrent protection. This indoor, general-purpose safety switch from Square D is built to support motor disconnects, panelboard feeders, and branch circuits with a compact, maintainable fusible switch design.

Key advantages that keep operations running

• 200 Amp capacity to safely handle mid-to-large electrical loads and inrush currents common in motors and equipment.
• NEMA 1 enclosure suited for indoor environments, providing solid protection against dust and incidental contact in standard industrial spaces.
• Heavy-duty construction designed for long service life under daily cycling and routine maintenance of critical circuits.
• Maintained fusible switch capability for controlled protection and easy selective coordination in your electrical distribution plan.
• Ideal for motor disconnects and panelboard protection when a compact, reliable disconnect is required in tight spaces.

Where this switch shines

• Motor circuits in manufacturing lines, pumps, fans, and conveyors where a dedicated disconnect is essential for maintenance safety.
• Panelboard feeder disconnects that demand strong protection without occupying oversized footprint.
• Indoor electrical rooms, mechanical spaces, and light-industrial installations that benefit from a rugged, easy-to-service safety switch.

Why choose the HU364 for your project

• Specific, purpose-built protection – a fusible safety switch that pairs isolation with coordinated overcurrent protection, reducing downtime and simplifying maintenance planning.
• Compact, maintainable design – fits into constrained spaces without compromising performance, and is straightforward to service when replacements or inspections are needed.
• Clear application fit – ideal for motor-driven equipment and branch circuits that require reliable, indoor-rated safety switching.

Specifications at a glance

• Model: HU364
• Amperage: 200A
• NEMA Rating: NEMA 1
• Duty: Heavy
• Type: Heavy-Duty Safety Switch / Fusible Disconnect

Choosing the Square D HU364 means prioritizing safety, serviceability, and steady performance for essential electrical infrastructure. It’s built to withstand daily operation in busy facilities while delivering clear, dependable isolation when you need to service equipment or protect circuits. Ready to simplify your motor control and branch circuit protection with a trusted disconnect? Add the HU364 to your setup and experience durable, field-maintainable protection you can rely on.