The SZW26/LW2620 ON OFF 20A 660V 20 Terminals Transfer Changeover Cam Switch is a panelmount control switch designed for reliable twoposition operation with a builtin transfer changeover function. Featuring a 48x48 mm panel footprint and 20 terminals for wiring, this switch supports multiple connections in a compact form, making it suitable for control panels and enclosures. Key benefits current capability: rated for 20A at up to 660V, providing a strong and safe switch for control circuits. Changeover functionality: supports transfer between two circuits, enabling simple routing or source selection within a single device. Compact panel integration: 48x48 mm panel cutout facilitates easy installation in standard control panels. Multiterminal wiring: 20 terminals allow a flexible wiring configuration to support multiple poles or circuits. Simple operation: ON and OFF positions provide straightforward manual control for routine machine or system operation. Key attributes Model: SZW26/LW2620 Function: ON/OFF twoposition with transfer changeover Rating: 20A at 660V Terminals: 20 Panel size: 48x48 mm cutout Mounting: Panel mount design Material: not specified in the product listing Brand alignment: refers to the SZW26/LW2620 family and its documented specifications Applications and use cases Industrial control panels: use as the main power switch for equipment, with the transfer changeover enabling routing between two circuits or loads within the same switch. Power routing in enclosed control systems: manage and isolate multiple loads from a single control point, reducing the need for additional switches. Manual transfer or isolation in multicircuit applications: provide a dependable mechanical means to select between two paths or sources in a compact form factor. Performance and reliability notes Designed for panels where a 48x48 mm cutout is appropriate, allowing straightforward installation in common control enclosures. The ON/OFF operate sequence coupled with changeover capability supports simple and predictable control of connected circuits at voltages up to 660V and currents up to 20A. With 20 terminals, the switch supports wiring flexibility for multiple poles or configurations, aiding in compact control design and wiring organization. Technical considerations Ensure compatible insulation, mounting hardware, and enclosure for the 48x48 mm panel footprint. Verify wiring configuration to match the intended transfer changeover function and load distribution. Confirm compatible voltage and current ratings for the connected circuits to maintain safe operation. In summary, the SZW26/LW2620 ON OFF 20A 660V 20 Terminals Transfer Changeover Cam Switch offers a robust solution for twoposition control with a builtin transfer capability, suitable for panelmounted applications requiring reliable switching, compact size, and multiterminal wiring.