Marquardt miniature toggle switch spst on on pcb mount 0 4va 20v marquardt 9040 0501 sealed on the connection side against penetration of fluxing agents and soldering vapours with central mounting m 6 x 0 75 mm for panel thicknesses up to 3 mm marquardt 9040 0501 miniature toggle switch spst on on pcb mount 0 4va 20v