QMB Fusible Power Distribution Panelboards
QMB Fusible Power Panelboards
Square D® brand QMB fusible power distribution panelboards are for use on AC or DC systems. They are UL® Listed under File E6294 and File E33139 and marked cULus.
When specifications or electrical codes call for a fusible panelboard, the QMB family offers unbeatable performance and time-saving installation features. The reliability of the QMB panelboard make it the product of choice for large commercial and industrial applications.
- For use on ac or dc systems
- Underwriters Laboratories ® (UL ®) Listed under File E6294 and File E33139, and CSA File Location LL-1809-75
- Suitable for use as service equipment
- Insulated, solid neutral may be bonded to the box with a grounding strap
QMB fusible panelboards are designed, manufactured, and tested to meet the requirements of the latest revisions of the following standards:
- UL 50: Enclosures for Electrical Equipment
- UL 67: Standard for Panelboards
- CSA C22.2, No. 29-1989: Panelboards and Enclosed Panelboards
- NEMA PB 1: Panelboards
- NFPA 70: National Electrical Code ® (NEC ®)
- Federal Specification W-P-115C Type II Class 1: Fusible Switch Panelboards