A nice touch is the Action branding on the relay, which makes fleet identification quick and simple.
Arrow Hart 34320-543 24v COIL #116L136*CO
If you are browsing this relay category, you will find that the Type being a Contacter gives it a straightforward feel.
You will find that the model MIC-06-117 pairs nicely with standard DIN rail setups.
A nice touch with OLS is the clear pinout printed right on the outer sleeve.