GE QMR364 - 200A, 600V, 3-Pole, Switch

GE QMR364 delivers reliable on/off isolation and overcurrent protection for demanding industrial and commercial environments. This 200A, 600V, 3-Pole fusible switch is designed to keep equipment safe, energized, and easy to service.

Why this switch stands out

Built with a compact, maintainable fusible switch architecture, the QMR364 fits into tight panelboards and motor disconnect applications without sacrificing protection or accessibility. Three equal phases ensure balanced performance across your three-phase systems, helping protect motors, drives, and other loads from fault currents.

• High-current capability: 200A rating supports medium-to-large motors and equipment.
• Voltage tolerance: 600V maximum for versatile use in many industrial power networks.
• Three-pole design: Ensures synchronized isolation across all phases, reducing arcing risks and simplifying electrical maintenance.
• Versatile applications: Ideal for motor disconnects, panelboards, and branch circuit protection where a compact, serviceable switch is required.

What problems does it solve?

When you need quick, reliable isolation during maintenance or in the event of an overcurrent, the GE QMR364 provides a robust barrier that minimizes downtime and protects both personnel and equipment. Its fusible switch design adds an integrated layer of protection, allowing faster fault clearance and safer de-energization of critical loads.

Who is this for?

Facilities engineers, maintenance technicians, and panel builders working in manufacturing, building services, or process industries will appreciate the QMR364’s combination of protection, durability, and straightforward maintenance. If you require a compact solution to upgrade or retrofit existing motor disconnects or branch circuits, this switch is a strong fit.

How it compares to the basics

Compared to simple disconnects, the QMR364 wires cleanly into three-phase circuits while offering integrated overcurrent protection and a form factor that fits in standard enclosures. Its maintainable design reduces downtime during fuse changes or service, helping you keep downtime to a minimum and operations running smoothly.

Practical tips

• Plan for upgrade: verify enclosure compatibility and allowed fuse types with your electrical drawings before installation.
• Label clearly: mark phase, line, and load connections to simplify future maintenance.
• Schedule periodic checks: inspect terminals for thermal wear and ensure fuses (if used) are within their rated specs.
• Combine with proper PPE and lockout/tagout procedures during servicing for safe operation.

With the GE QMR364, you gain dependable isolation and targeted protection for three-phase systems, all in a compact, maintainable footprint—designed to keep your industrial or commercial power distribution safe, efficient, and ready for the next challenge.