The Schmersal RSS/RST key selector switch is a robust and reliable component for industrial control systems. Designed with a 22.3 mm diameter hole for easy installation, this switch features two selectable positions with key withdrawal in position I. Its right-side latching mechanism ensures secure operation, while the fully insulated design enhances safety. The switch comes equipped with an EFM mounting flange and operates within a temperature range of 0 deg C to +75 deg C. With an IP65 rating, it is well-protected against dust and water ingress, making it suitable for harsh environments. This key selector switch falls under the Pushbuttons & Signaling category and is part of the RSS/RST series known for its durability and efficiency in industrial applications.