This part is a kind of semiconductor called ASR-10DA-H.
Function of this product has (ASR Series) SOLID STATE RELAY.
Manufacturers : ANLY
Image and pinout :
Some of the text within the PDF file :
ANLY SOLID STATE RELAY FEATURES *HIGH RELIABILITY *LONG LIFE *NO SWITCHING SPARKS *NO NOISE *NO CONTACT POINTS *FAST REACTION *UL, C-UL and CE certified TYPE SELECTION : CURRENT : MODEL TYPE CURRENT CONTROL MAX. LOAD CURRENT LOAD VOLTAGE RANGE SWITCHING TYPE WEIGHT Approx. 100 g Approx. 100 g Approx. 100 g Approx. 100 g Approx. 100 g Approx. 100 g Approx. 100 g Approx. 100 g Approx. 100 g Approx. 100 g Approx. 100 g Approx. 100 g Approx. 100 g Approx. 100 g ASR-10CA ASR-15CA ASR-25CA 4~20mA ASR-40CA Current ʈ AC (DC3.8~10V) ASR-50CA ASR-75CA ASR-90CA ASR-10CA-H ASR-15CA-H ASR-25CA-H 4~20mA ASR-40CA-H Current ʈ AC (DC3.8~10V) ASR-50CA-H ASR-75CA-H ASR-90CA-H 10A 15A 25A 40A 50A 75A 90A 10A 15A 25A 40A 50A 75A 90A MAX. LOAD CURRENT 200~280VAC Phase Control 380~480VAC Phase Control VA [ ... ]