If you check the specs, you will find that KUP-14D15-24=KU is printed right on the side.
DET-TRONICS RELAY BOARD 003340-001 , IN: 10-38VDC .5 WATTS NOM. 2.8 WATTS MAX
What stands out about the part is the uauto1 branding, which feels consistent with its practical design style.
If you need the SRD-12VDC-SL-C, this listing includes that specific variant.