The SZW26/LW26160 is a 3 position rotary changeover cam switch designed for single phase circuits. It provides two On positions and an Off position, enabling safe switching between two conductive paths or power sources with a dedicated center off. Key benefits Reliable manual changeover: two On positions allow switching between two circuits or sources, with a central Off for safe isolation during maintenance. current and voltage capability: rated for 160 A and up to 660 V, suitable for demanding singlephase loads. Simple wiring with four terminals: straightforward wiring in a compact package for singlephase applications. Durable, repeatable operation: rotary cam mechanism supports consistent operation over many cycles. Flexible control element for panels and equipment: designed to integrate into control panels and other industrial applications requiring a clear changeover function. Key attributes Model: SZW26/LW26160 Function: Rotary Changeover Cam Switch Position: 3 Position OnOffOn Phase: 1 Current rating: 160 A Voltage rating: 660 V Terminals: 4 Technical specifications (summary) Type: 1 phase rotary cam switch with 3position OnOffOn Current rating: 160 A Voltage rating: 660 V Terminals: 4 Intended use: singlephase switching and changeover tasks Applications and use cases Control panels and power distribution: switch between two supply paths or circuits in a singlephase control panel, using the center Off for safe service and maintenance. Machine and equipment power switching: select between alternative feeds for a singlephase motor or load, with a defined Off position to ensure safe startup or shutdown sequences. Industrial maintenance and isolation: provide a straightforward means to isolate a circuit while enabling an alternate path or source to remain accessible for testing or servicing. Compatibility and installation notes Designed for singlephase circuits requiring a twoposition changeover with a safe Off in the middle. The switch provides four terminals to enable wiring in typical singlephase configurations. Suitable for applications that require a 160 A current rating and 660 V voltage rating, with a 3position OnOffOn operating scheme. This SZW26/LW26160 cam switch offers a clear, dependable solution for switching between two circuits or power sources in singlephase systems, with a dedicated off position for maintenance and safety. It aligns with the specified model, functionality, and performance characteristics, providing practical control in industrial and panel applications.