The P7TFOS16 is easy to source, and you will find that spares are simple to keep on hand.
P&B 27E123 10A 300V 11 Pin Octal Relay Socket Screw Terminal
When you see Uxcell as the brand, this relay just seems like a sensible choice for general use.
The WD3556 model is the one I used, and it fit the socket without any fuss.
The Allen-Bradley brand is present, which adds a sense of reliability to the setup.
Because it's unbranded/generic, this relay blends into kits where a neutral appearance is preferred.
You will find that the Finder brand is stamped clearly on the relay, which gives a reassuring sense of quality.
This Potter & Brumfield relay looks clean, with tidy contacts and a coil that seems well sealed.
You will find that the Potter & Brumfield unit fits standard sockets with a snug, reassuring click.
What stands out about this relay is the Schneider Electric branding, giving it a familiar presence on the panel.
A nice touch is the small LED indicator near the relay switch for status.