The FAAC 490108 Limit Switch Assembly is a genuine OEM replacement part for FAAC 415 L / LS gate operators (24?VDC & 115?V variants). Designed to accurately detect the endpoints of gate travel, this assembly ensures the gate stops at the proper open and close positions, improving safety and reducing wear. The LS (“Limit Switch”) version of FAAC 415 includes this assembly as part of its internal mechanism. When worn or malfunctioning, replacing it restores reliable end-of-travel control. The assembly includes the mechanical switches, adjustment screws for both closing (FCC) and opening (FCA) limits, and mounts inside the gate operator’s housing. It’s listed as part #12 in FAAC’s exploded view for model 415.
Here’s how one typically installs or replaces the Limit Switch Assembly 490108 in a FAAC 415 L / LS operator:
Power Off: Disconnect all power to the gate operator. Ensure it's safe to work inside the motor housing.
Access the limit switch assembly: Remove any covers or panels securing the operator’s limit switch area. Depending on model, this may require removing front face panel or upper housing.
Remove protective cover / adjuster cover: If there’s a protective shield over the limit switch adjusters, remove it carefully.
Disconnect old assembly: Note wiring (open limit, close limit, common). Remove wires and screws securing the old limit switch assembly.
Install new assembly 490108: Mount the new part in the same position. Secure screws, mount adjustment components. Reconnect wires to corresponding terminals (Open / Close / Common).
Adjust limits: Use the limit adjuster screws—turning one adjusts close limit (FCC), the other adjusts open limit (FCA). Usually, close limit is adjusted via one screw (clockwise or counterclockwise depending), open via the other.
Test gate travel: Restore power. Test gate open/close function and verify that the gate stops correctly at both limits. If the leaf is shorter than full travel or strangely mounted, the adjustment range of the limit switches may be limited.
Secure covers: Replace any protective or adjuster covers. Ensure wiring glands are sealed if required.
