The ASW33L20 is a 3-position selector switch from the IDEC TW series, designed for industrial control applications. It features a lever operator with a two-way spring return mechanism that defaults to the center position from both left and right. This model is configured with two normally open (2NO) contacts and fits a standard ø22mm panel cutout. As part of the modular TW series, it uses snap-on 10A contact blocks with slow make, double break, self-cleaning silver contacts. The switch is rated NEMA 4X and IP65 for watertight and oiltight protection, ensuring reliable performance in demanding environments.