53ND12-Y-05, G8QE-1A 12VDC relay DPST

https://www.fujitsu.com/downloads/MICRO/fcai/relays/fbr53.pdf

http://www.farnell.com/datasheets/1794021.pdf

this listing is either for a G8QE-1A, or 53ND12-Y-05 relay. Both these relays are fully pin compatible with each other.