Product details:

RINGLESS SERVICE TYPE OVERHEAD/UNDERGROUND CIRCUIT CONFIGURATION 1 PHASE 3 WIRE 300 VAC 400 AMPERE MANUAL BYPASS SWITCH 4 JAW(S) 4.281 INCH HD WITH CLOSING PLATE HUB (1) 1/4 INCH, (2) (1/2 INCH-3/4 INCH), (3) (2 1/2 INCH-3 INCH-3 1/2 INCH-4 INCH), (4) (2 1/2 INCH-3 INCH-3 1/2 INCH) CONCENTRIC KNOCKOUT KNOCKOUT(S) WIRE SIZE (2) 6 AWG TO 350 KCMIL (LINE/LOAD) NEMA 3R LIGHT GRAY BAKED POLYESTER POWDER 16/14 GAUGE G90 GALVANIZED STEEL ENCLOSURE SIZE 18 INCH WIDE X 6.1 INCH DEEP X 36 INCH HEIGHT APPROVAL UL 414, UL 486B APPLICATION RESIDENTIAL 9810-8502 400A 1-PHASE METER-SOCKET