I like how the heavy duty housing protects the coil, even the panel sees bumps and knocks sometimes.
Entrelec 10 004.21 relay interface module
This heavy duty relay has a confident click, which suggests the mechanism is solid and built for long life.
You can tell this heavy duty relay is made for tough spots, with thicker casing than many alternatives.
You will find that this relay comes from Digital Loggers, making it easy to match with existing gear.
A nice touch is that the model information is Not Applicable, so the description stays focused on real needs.