Load Center - Includes built-in sub panel (125 AMPS) capable of holding up to eight 1 inch breakers. Also includes five 25 AMP 3 HP relays, 120V/240V transformer with secondary side circuit protection. Multiple knockouts for ½ inch to 1-inch conduit are supplied as well as a GFCI side knock out.The Load Center provides ample space for all high and low voltage wiring needs. Load Center dimensions are: 17" W x 24" H.