4 layers33 × 28 mm

The CAS-220A is a pushbutton Switches & Relay made by Nidec in a SMD package with 6 pins. SMD Slide Switches ROHS.
JLCPCB lists it (part C2859267). 1 open-source board in 1 repository on GitHub use it.
The library has no symbol for this part yet.
The library has no footprint for this part yet.

SMD, with 6 pins.
Nidec publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C2859267, with 0 in stock; the sellers' links on this page open their listings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.