The Square D EJB14020 is a 1-pole, bolt-on miniature circuit breaker rated 20 A for 277 V circuits, part of Schneider Electric's Square D E-frame family. It features bolt-on mounting with aluminum lug terminals for 14–6 AWG conductors and a thermal-magnetic trip with a visible trip indicator. It provides up to 65 kAIC interrupting capacity at 277 VAC, designed for protecting 277 VAC branch circuits in panelboard installations.
