GE AEF3242MB Panelboard is a 225 Amp distribution panel designed for 480Y/277V, 3P4W electrical systems. It uses a Main Lugs Only (MLO) configuration, so it does not include a built-in main breaker and requires a separate main disconnect or feeder lugs to energize the panel. The model number is AEF3242MB, indicating this specific GE panelboard configuration for 480V three-phase service.
