This part is a kind of semiconductor called 700-FS.
Function of this product has Rail Timing Relays.
Manufacturers : Allen-Bradley
Image and pinout :

Some of the text within the PDF file :
Allen-Bradley DIN Rail Timing Relays 700-FS High Performance Timing Relays for DIN Rail Mounting Type Designation Allen-Bradley Solid State Relays for Screw Mounting 700-SH Hockey Puck Relay for Screw Mounting Input-to-Output Isolation Method Phototriac Photocoupler Phototriac Photocoupler Zero Cross Function Yes LED Indicator Yes Output (Load) Rated Input Max. Cont. Current & Control Voltage Rated Voltage Range ➊ 5 A @ 24…240 VAC 5…24 VDC 100…120 VAC 200…240 VAC 10 A @ 24…240 VAC 5…24 VDC 100…120 VAC 200…240 VAC 10 A @ 200…480 VAC 5…24 VDC 25 A @ 24…240 VAC 5…24 VDC 100…120 VAC 200…240 VAC 25 A @ 200…480 VAC 5…24 VDC 40 A @ 24…240 VAC 5…24 VDC 100…120 VAC 200…240 VAC 40 A @ 200…480 VAC 5…24 VDC Cat. No. PQ Allen-Bradley Plug-in Solid State R [ ... ]
700-FS PDF Datasheet Download
