1830 Rocker Switches Marquardt 1830 Rocker Switches are single and double pole switches available in illuminated and non-illuminated models. These switches offer a <,100mΩ contact resistance, >,100MΩ insulation resistance, and IP40/IP67 protection type depending on the model. Marquardt 1830 Rocker Switches feature two housing variants, approval for 400V, and mechanical life endurance up to 1 million switching cycles.