General Electric Spectra Panelboard configured as 3P3W with a 600 A, 480 V rating comes in a NEMA 1 enclosure and uses Main Lugs Only (MLO). Designed for indoor use in commercial or industrial environments with 480 V three-phase service, it provides a centralized distribution point for multiple branch circuits fed from a 600 A supply. The 3P3W designation denotes three-pole, three-wire operation, a common arrangement for 480 V three-phase systems.
