What stands out about this relay is the TE Connectivity brand, a detail that matters.
MURR ELEKTRONIK 50044 OPTOCOUPLER MODULE
It is a nice touch that Hach Lange keeps the design clean and functional without gimmicks.
You will see the MAS logo on the side, making it simple to spot in a crowded panel.
You get a General-Electric relay with solid terminals and a straightforward pin layout.