The IDEC YW1S-33E21 Selector Switch is a robust, knob-operated control device with a 2NO+1NC contact configuration. It offers three selectable positions and features a 45-degree operation angle with a spring return mechanism for reliable actuation. Designed for 22mm panel cutouts, the switch includes screw-type terminals (M3.5) and removable contacts for easy installation and maintenance. Rated IP65, it ensures protection against dust and water ingress, suitable for demanding industrial environments.