Square D H364 - 200A, 600V, Fusible, Switch

Meet the Square D H364 — a rugged, fuse-protected disconnect designed for demanding industrial and commercial environments. With a 200A rating and 600V withstand, this fusible switch delivers secure on/off isolation paired with built-in overcurrent protection.

Key specifications at a glance

• Model: H364
• Amperage: 200A
• Voltage: 600V
• Protection: Fusible (fuse-protected disconnect)
• Applications: Ideal for motor disconnects, panelboards, and branch circuits
• Design merit: Compact, maintainable form for easy fuse replacement and service in tight electrical spaces

Why operators choose the H364

This Square D fusible switch is purpose-built to simplify electrical safety and reliability. It combines a sturdy enclosure with a straightforward isolation mechanism, enabling quick, safe shutoffs during maintenance or in emergency situations. The fusible design means protection travels with the switch, helping to guard motors and wiring from overcurrent events without needing separate protective devices in every case.

Ideal use scenarios

• Motor disconnects in space-constrained installations
• Panelboards requiring a compact, fuse-protected disconnect
• Branch circuits in commercial facilities with demanding power loads

Practical tips for deployment

• Match the line and load connections to the H364’s 200A, 600V rating, ensuring compatibility with your electrical system.
• Plan for straightforward fuse replacement to minimize downtime during maintenance — the compact design is intended to streamline servicing.
• Coordinate with your protection scheme to ensure proper coordination between the fusible switch and any upstream/downstream devices.