Ensure superior overcurrent safety and robust power management in commercial and industrial settings with the authentic Square D QO3100 100 Amp 3-Pole Miniature Circuit Breaker. Designed specifically for three-phase electrical installations, this professional-grade plug-in breaker fits seamlessly into standard QO load centers, NQ panelboards, and vintage NQOD enclosures, completely eliminating the need for bolts, DIN rails, or messy pigtail wiring networks. Built to withstand demanding load distributions, the QO3100 delivers a reliable 10kA interrupting rating at 120/240V AC to isolate low-level faults and protect sensitive downstream machinery. The compact 2.25-inch chassis design maximizes gutter space within your electrical board, while heavy-duty mechanical lug terminals provide a rock-solid connection for heavy copper or aluminum wires ranging from 4 AWG to 2 AWG. This authentic Square D unit is HACR rated for heating, air conditioning, and refrigeration applications, and it is fully UL Listed to comply with strict national electrical safety standards.
| • High-performance QO series miniature circuit breaker delivering a commanding 100 Amp current rating.
• Specialized three-pole design engineered specifically to handle three-phase industrial and commercial power grids. • Robust 10kA interrupting capacity at 120/240V AC ensures responsive protection against low-level electrical faults. • Streamlined plug-in mechanical mount installs effortlessly into standard NQ, NQOD, and QO load center bus bars. • User-friendly paddle-style actuator provides highly distinct visual indication for on, off, and tripped positions. | • Heavy-duty box lug terminals accept 4 AWG to 2 AWG wiring to establish safe, low-resistance connections.
• Clean, plug-in design completely eliminates the need for extra pigtail wires, optimizing panel board organization. • High-standard component is officially HACR rated for heating, ventilation, and air conditioning motor applications. • Space-saving, compact 2.25-inch overall width maximizes available mounting slots within the distribution box. • Genuine, factory-spec Square D electrical component UL Listed to guarantee supreme long-term field durability. |
