Sylvania Commander panelboard switches are still found in many older commercial and industrial electrical distribution systems. These switches may also be searched under Commander, Sylvania, QMB, QMBF, QMBFP, and panelboard switch part numbers.
When one of these switches fails or needs to be replaced, it is important to confirm the exact switch type, amp rating, voltage rating, fuse class, pole count, and panelboard compatibility before ordering.
Ampstate supplies Sylvania Commander switches, QMBF panelboard switches, fusible switches, disconnect switches, breakers, and hard-to-find industrial electrical equipment.
Common Search Terms for Sylvania Commander Switches
Customers may search for these switches using terms such as:
- Sylvania Commander switch
- Commander panelboard switch
- Sylvania QMBF switch
- Commander QMBF switch
- QMBF panelboard switch
- QMBFP panelboard switch
- QMBFP6036
- QMBF P6036
- QMBFP2036
- QMBFP3036
- 600A 600V panelboard switch
- Fusible panelboard switch replacement
What Is a Sylvania Commander QMBF Switch?
A Sylvania Commander QMBF switch is a panelboard-mounted switch commonly used for feeder and distribution applications. Depending on the design, it may be a fusible switch used inside compatible panelboard equipment.
These switches are often used in:
- Industrial panelboards
- Commercial distribution panels
- Feeder sections
- Equipment disconnect applications
- Maintenance replacement projects
- Older electrical distribution systems
What to Check Before Ordering
Before ordering a replacement Sylvania Commander switch, confirm:
- Exact catalog number
- Amp rating
- Voltage rating
- Number of poles
- Fuse class
- Panelboard type
- Mounting style
- Lug arrangement
- Available space
- Existing switch condition
A switch with the same amp rating may not fit if the mounting style or panelboard interior is different.
Photos Needed for Fast Quote
Send clear photos of:
- Switch label
- Panelboard label
- Fuse clips
- Lugs
- Mounting hardware
- Inside of the panel
- Door schedule
- Any visible catalog numbers
These photos help confirm the replacement option and reduce the risk of ordering the wrong switch.
Replacement Options
Depending on availability, replacement options may include tested used, refurbished, rebuilt, surplus, or equivalent switch options. For older Commander and Sylvania equipment, a direct replacement may not always be available new.