“It sure is nice dealing with H&H - one of the best supplier choices we have made. You guys gave me things I needed FAST!! ”
-MOOSE - US Machine
We carry a wide variety of brands, including:
Allen Bradley
General Electric
Siemens
Square D
Cutler Hammer / Westinghouse
We stock used and surplus Square D QMB style panelboard switches at our Twin Cities warehouse. These switches mount into the old style Square D Saflex panelboards. These QMB panelboard switches do not interchange with the new style QMBW switches.
We have been selling QMB Saflex panelboard switches for over 30 years. Contact us or call us today at 1-888-588-6560, and we’ll help you find exactly what you’re looking for.

| Square D QMB Saflex Panelboard Switches-Fusible-480/600V |
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| Catalog # | Amps | Volts |
| QMB3603T |
30 Twin | 480/600 |
| QMB3606T | 60 Twin | 480/600 |
| QMB3610T | 100 Twin | 480/600 |
| QMB3620 | 200 | 480/600 |
| QMB3640 | 400 | 480/600 |
| QMB3640-M | 400 Main | 480/600 |
| QMB3660 | 600 | 480/600 |
| QMB3660-M | 600 Main | 480/600 |
| Square D QMB Saflex Panelboard Switches-Fusible-240V |
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| Catalog # | Amps | Volts |
| QMB303T |
30 Twin | 240 |
| QMB306T | 60 Twin | 240 |
| QMB310T | 100 Twin | 240 |
| QMB3220 | 200 | 240 |
| QMB3240 | 400 | 240 |
| QMB3240-M | 400 Main | 240 |
| QMB3260 | 600 | 240 |
| QMB3260-M | 600 Main | 240 |