You will find that the INDUSTRIAL MRO brand is mentioned when reliability comes up.
20PCS Pin Header 2.54mm 40Pin Male Female Breakaway PCB Board Connector Single
What stands out about this relay is the model 7.4.1.7-2, which makes identification quick during a busy repair.
You will find that the Somfy name is displayed clearly, which helps you keep your setup coherent across brands.
The Tyco Electronics brand is a nice touch for a General Purpose Relay.
If you pick the GV200-054, you will find that it fits standard panels without fuss.
I noticed the G2RL-14-E 5VDC model, and it helps me plan the rest of the circuit.