GE QMQ320 - 20 A, 600 V Fusible Panelboard Switch | AmpState

The GE QMQ320 is more than a replacement part—it's a reliable bridge to keeping older GE panelboard systems safe and functional. With a 20 A rating and 600 V capability, it handles small-to-medium distribution circuits in commercial and light industrial environments with predictable, fuse-based protection.

Why this fusible panelboard switch matters

• Fusible protection you can count on — Replaceable fuses provide clear fault signaling and safe power interruption when overloads occur.
• Legacy compatibility — Specifically designed to fit older GE QMQ panelboard configurations, ideal for maintenance and restoration projects that rely on the QMQ-series infrastructure.
• Simple replacements that restore service — No redesign needed; swap in the QMQ320 to bring aging panelboard sections back online quickly.
• Durable, commercial-grade construction — Built to withstand the demands of routine switching in busy facilities.
• Practical maintenance path — A familiar, reliable solution for technicians accustomed to GE’s older panelboard ecosystems.

Ideal use cases

• Retrofitting or restoring commercial spaces, schools, or light manufacturing environments with existing GE QMQ panelboards.
• Maintenance swaps in legacy electrical installations where reliability and compatibility matter more than cutting-edge features.

What to expect in use

• Clear, immediate isolation for safe maintenance and service work on protected circuits.
• Durable construction designed to withstand routine switching in commercial environments.
• A practical, familiar solution for technicians working within GE’s older panelboard ecosystems.

Specifications at a glance

• Current rating: 20 A
• Voltage rating: 600 V
• Type: Fusible panelboard switch
• Applicable series: GE QMQ panelboard configurations
• Condition: Older GE design, suitable for replacement in existing installations

Practical installation tips

• Verify compatibility with your GE panelboard’s form factor and fuse arrangement before installation.
• Use matching replacement fuses to maintain protective characteristics.
• Disconnect power and follow safety protocols; perform work only with appropriate training and PPE.
• Inspect surrounding conductors and terminals for wear or corrosion during replacement and address issues to prevent future faults.

Whether you're restoring an aging GE installation or keeping a legacy panel running reliably, the GE QMQ320 20 A, 600 V fusible panelboard switch from AmpState offers a straightforward, proven path to safe, dependable circuit protection.