This part is a kind of semiconductor called KCD1-104B-201013BBA.

Function of this product has Switch.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

KCD1-104B-201013BBA 额定电流、电压： KCD1-104 2A/8A 250V AC 12A 250V AC 10A 125VAC T85 KCD1-110 6A 250V AC 接触电阻：≤50mΩ 绝缘电阻：≥100MΩ 介电强度：≥1500VAC/1min 电气寿命：≥10000 次 [ ... ]

KCD1-104B-201013BBA PDF Datasheet Download