Load Center Cover, Amps 125 A, Number of Spaces 20, Mounting Style Flush, For Use With Square D QO Load Centers, NEMA Rating 1, Compatible Enclosure Box Mfr. No. QO120L125PG, QO116M100P, QO120M100P, Length 19.12 in, Width 15.44 in, Depth 0.7 in, Non-Vented, Includes Door