The Schmersal RSS/RST key selector switch is a robust and versatile component for industrial control systems. This switch features a 22.3 mm diameter hole for easy installation and comes with a dual plunger design. It offers three distinct switch positions with key withdrawal possible in position I, ensuring secure operation. The latching mechanism is designed to engage on both the right and left sides, providing flexibility in application use. Fully insulated and equipped with an EFM mounting flange, this key selector switch operates reliably within a temperature range of 0 deg C to +75 deg C and boasts an IP65 rating for dust and water resistance. Ideal for engineers looking for high-quality pushbuttons & signaling solutions, this switch from Schmersal's RSS/RST series ensures performance and durability in demanding environments.