Often utilizes a BTA16-600B triac (or similar) to manage the switching load.
Managing the heat output of electric furnaces, water heaters, and soldering irons. Besomi Electronics
If you're still unable to locate the datasheet, consider the following options:
The MY-9892 includes an aluminum heatsink. This is critical because the SCR generates significant heat when managing loads near the 2000W threshold.
Dimming incandescent or halogen bulbs (Note: Not compatible with most standard LEDs or CFLs unless they are specifically labeled "dimmable").