✅ 100A 3-Phase Main Breaker

• 208Y/120V or 480Y/277V configuration (verify voltage before purchase)

• 12 spaces / 24 circuits (supports tandem breakers)

✅ NEMA 1 Indoor Enclosure

• Heavy-duty galvanized steel construction

• For dry locations only (requires NEMA 3R enclosure for outdoor use)

✅ Plug-on-Neutral Ready

• Simplified AFCI/GFCI breaker installation

• Compatible with Siemens QD/QP series breakers

✅ Commercial-Grade Busbar

• 100% rated for continuous 100A load

• Accepts #14–#3 AWG copper/aluminum