This part is a kind of semiconductor called JQX-15F.

Function of this product has POWER RELAY.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

POWER RELAY POWER RELAY JZC-22F Size(mm) 19.3 16.8 21 1H 19.3 1.3 Terminal layout 1Z Contact capacity 5A 7A 12A 15A Contact resistance Insulation resistance JZC-22F 50m 4.8 16.8 6 6 100M BCC 1500VAC 21 125VAC 287VDC 1.4 1.2 Dielectric strength BOC 500VAC JZC-23F(4123) Size(mm) 20.8 16.1 16.8 20.8 Terminal layout 1Z 1H Contact capacity 10A 125VAC Insulation resistance 100M BCC 1500VAC JZC-23F(4123) 16.8 1.3 3.5 Dielectric strength BOC 500VAC 6 2 16.1 6 Contact resistance 50m 11.4 JQC-8F(T76) Size(mm) 22.5 16.8 11.1 1.3 18 22.5 Terminal layout 1Z 1H Contact capacity 20A 125VAC 10A 220VDC Contact resistance Insulation resistance JQC-8F(T76) 50m 500M BCC 1500VAC 5 11.1 16.8 8.5 8.5 Dielectric strength BOC 1000VAC JQX-15F(T90) Size(mm) 32.5 27.5 20.5 Terminal layout 1Z [ ... ]

JQX-15F PDF Datasheet Download