GE QMR366 - 600 A, 600 V, 3-Pole Non-Fusible Panelboard Switch | AmpState

Engineered to be the durable, non-fusible main disconnect your GE panelboards rely on, the GE QMR366 delivers clean, complete isolation for three-phase systems in commercial and light industrial installations. This switch-only device is designed to be used with separate fusing on feeders, offering straightforward, reliable isolation without built-in fuses.

Key capabilities

• 600 A, 600 V rating — robust enough to handle demanding commercial loads while maintaining safe operation across a wide voltage range.
• 3-Pole construction — ensures simultaneous switching of all three electrical phases, preventing partial energization during maintenance.
• GE panelboard compatibility — engineered to fit GE panelboards, making replacement of aging or worn switches straightforward without modifying the bus or enclosures.
• OEM-grade durability — built to GE’s design standards to perform consistently in challenging installation environments over time.
• Safety and uptime focus — a reliable main disconnect that isolates a complete panelboard bank during maintenance, testing, or upgrades, reducing downtime and protecting personnel and equipment.

Ideal use scenarios

Whether you're installing new GE panelboards that require a 600 A, 3-pole non-fusible switch or performing retrofits on aging systems, the GE QMR366 provides a proven, straightforward main isolation solution for three-phase distributions in commercial or light industrial facilities. Use cases include new builds, panelboard upgrades, and efficiency-focused maintenance programs.

• New installations of GE panelboards needing a 600 A, 3-pole non-fusible switch
• Retrofit projects replacing aging main disconnects with a compatible GE component
• Commercial or light industrial facilities seeking a dependable main isolation switch for three-phase systems

Compatibility and sourcing

Compatibility note: Ensure your GE panelboard model calls for a 3-pole, 600 A, 600 V non-fusible switch to guarantee a seamless fit and dependable electrical performance. For trusted sourcing of this OEM-grade component, AmpState delivers the GE QMR366 with confidence.

Why AmpState

AmpState specializes in genuine OEM components, providing a direct path to reliable panelboard hardware. The GE QMR366 from AmpState combines engineering-grade reliability with clear, supportive service, so you can complete installs and replacements with minimal downtime.

Secure the GE QMR366 600 A, 600 V, 3-Pole Non-Fusible Panelboard Switch from AmpState today and equip your panelboards with a purpose-built solution for safe, efficient electrical distribution.