QMB Power Distribution Panelboards
When specifications or electrical codes call for a fusible panelboard, the QMB family offers unbeatable performance and time-saving installation features. The QMB power distribution panelboard feeds motors, transformers, and lighting systems.

Features

• 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

Standards

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