This rotate select CAM transfer switch is designed for control panels and equipment that require a clear, manual changeover between two circuits with a common off position. It comes as a complete unit: 1 piece with a protective box, model SZW2620/D303.3, and 12 terminals for flexible wiring. Key benefits Three position rotary operation (102) provides a simple and explicit way to select between two circuits or sources with an off position for safe maintenance. 12 terminals offer versatile wiring options to accommodate multiple connections in a compact footprint. voltage and current rating at AC 660V and 20A deliver reliable performance for standard control and power transfer tasks. CAM changeover mechanism delivers straightforward, mechanical isolation between circuits, aiding safe switching. Box included with the unit supports secure mounting and protection in control panels and equipment installations. Compact, readytoinstall design reduces installation time and simplifies panel wiring. Key attributes Functionality: Rotate select CAM transfer switch with 3 positions (102) Terminals: 12 Voltage rating: AC 660V Current rating: 20A Model: SZW2620/D303.3 Package: with box Applications and use cases Power source selection in a control panel: switch between main and backup power sources using the 1 and 2 positions, with 0 serving as an off position during maintenance. Control circuit routing in industrial equipment: route signals or control lines to different subsystems or inputs as part of a machine's control logic. Test bench and lab setups: manually select between different supply rails or signal paths to facilitate testing, calibration, or troubleshooting without removing wiring. This description stays true to the original product's brand, specifications, model, and features, providing a clear, professional overview suitable for informed decisions.