SWK121F315 is a high security key switch from the SWK 12 Series designed for secure switching applications. This SPST switch features 8 disc tumblers for enhanced security, silver contacts, and a polished chrome beveled frame finish with zinc alloy lock body and cylinder. It offers a contact rating of 5A at 115 VAC or 15A at 24 VDC resistive, with 90° actuator travel and non-shorting contact timing. The switch provides key removal at Position 2 only, with 25 standard key changes and a life expectancy of up to 20,000 cycles. Ideal for industrial control panels, security systems, and equipment requiring reliable high-security key-operated switching.