Schneider Electric EGB34090 Molded Case Circuit Breaker

Schneider Electric’s Square D EGB34090 is a 90-amp, three-pole molded‑case circuit breaker (E‑Frame) designed for 480Y/277 VAC service. It features bolt-on mounting and is TAA‑compliant, suitable for installation in compatible NF panelboards and other Square D distribution gear. This thermal‑magnetic MCCB provides overcurrent protection for three‑phase circuits and offers a maximum interrupting rating of 65 kAIC at its rated voltage, enabling safe interruption of fault currents. The device is specified for use in industrial and commercial power distribution where robust protection and reliable operation are essential, and it is part of Schneider Electric’s Square D family of MCCBs that share a common E‑Frame form factor and mounting footprint with other 90 A, 3P models.