To simulate a relay in LTspice, you typically need to download or create a custom component library, as a standard "Relay" is not part of the default primitive parts list. Where to Download Relay Libraries for LTspice
Provides detailed Spice Models of Relays including "break before make" contact actions. relay.library ltspice download
Offers a specialized MOS FET Relay Simulation Model for verifying circuit designs. To simulate a relay in LTspice, you typically
Once you have downloaded the necessary library files (typically .lib or .sub for the model and .asy for the symbol), follow these steps to use them: LTspice tutorial - Modeling Switches To simulate a relay in LTspice