AC-IX PanelEssential control and protection whenever AC from shore power or generators is on board. A double-pole master breaker with a power-on indicator light protects both the hot and neutral legs of the AC circuit. A reverse polarity light provides a clear warning when wiring is reversed and poses a shock hazard.AC-IX is a 30 amp master breaker (15A or 50 A* optional), 5 branch circuit capacity, 4 installed standard 1-10A, 2-15A, 1-20A, or specify. LS-I label set is included. Specifications: Cut-Out Dimensions: 4 x 6 inches (10.2 x 15.2 centimeters) Weight: 2 lbs. This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.