The INDUSTRIAL MRO brand is on the unit, and technicians mention it during routine checks.
MEGACON KRM72 Phase Failure and Sequence Relay 380/440V 50/60HZ
A nice touch is the click the 4016819 makes, giving quick feedback as you test circuits.
When you're comparing General Purpose Relays, the ARD4UR model has a nice touch in its clear pin layout, which helps during setup.