A nice touch is the ABB branding, which gives the relay a simple and classic look on the rail.
ABB CM-IWS.1S INSULATION MONITORING RELAY 1-100kOhm 24-240VAC/DC FREE FAST SHIP
It uses a programmable timer, so you can set delays that fit your needs.
The Omron brand resonates well, and that matters when reliability affects your design outcomes.
This relay bears the AMERICAN ZETTLER / MCE mark, a name that has been around for quite some time.
What stands out about Dayton relays is the way they resist wear even after frequent switching cycles.