My 9892 Datasheet __exclusive__ -

This device operates at high AC voltages. Ensure all connections are properly insulated and that the device is mounted in a non-conductive enclosure before use.

, typically used in AC 220V 2000W modules for dimming lights and controlling motor speeds. Quick Technical Summary Application: my 9892 datasheet

Approximately 48mm × 60mm × 28mm (Height) Adjustment Mechanism: Rotary Potentiometer Knob 3. Key Features and Benefits This device operates at high AC voltages