The Honeywell brand is a nice touch, and you will find that it suits many electrical setups.
Minilec S2 VMR6 Phase Failure & UV/OV Relay 415 VAC
You will find that the model 301-1C-C-R1 U01 12VDC is easy to stock.
You will find that the Phase Sequence Relay function works quietly in the background, watching phases.