We offer several models of 30A transfer switches from Asco and Reliance. Reliance Kits and Selected Circuits easily install with your current load center. Reliance Single Circuits are perfect for furnace or pump applications. Reliance panels offer options of generator amps,branch circuits, and GFCI. Asco offers single and three phase manual and automatic transfer switches with a microprocessor controller for monitoring and optional remote transfer - ideal for commercial, telecom, and industrial applications.