Q6S Model Power Supply Center. 18 Gauge welded steel measuring 8.63 L x 5.75 W x 3.1 H with 5 knockouts. Built-in mounting bracket is designed for easy installation for both 6 planes of surface mounting and suspension by two 1/4 in. threaded rods. Standard nish is white powder coat. The Q6 Series Power Supply Center, utilizes two primary taps (12V, 13V or 24V, 26V).