If you look closely, you will find that the Potter brand is printed right on the relay's case.'
Jokab Safety E1T 0s 24VDC Safety Relay E1T0s24VDC 24 VDC (VT)
If you check the model, you will find that it is DEK-OE- 12DC/ 48DC/100.
What stands out about the PLC-RSC-24UC/21 is how simply it slots into narrow control panels without fuss.