You will find that this relay comes from Digital Loggers, making it easy to match with existing gear.
MECCANIXITY Miniature Current Switch 0-50A Normally Open AC Sensing…
A nice touch is the gentle tension in the terminals on this unbranded relay, which grips wires without crimping them hard.
You will find that many setups pair well with Digital Loggers relays, and this one fits right in.
What stands out about RPM-Q2R20120-01 is how easy it is to identify among similar models.
The RPM-Q2R20120-01 designation makes tracking simpler, and you will find that very helpful.
This heavy duty relay has a confident click, which suggests the mechanism is solid and built for long life.
A nice touch is the subtle notch on the BU1 AC that lines up with the base each time.
The Songle brand is present, and you will find that parts and documentation are simple to track down online.
A nice touch is the TimeSaver brand's durable case, which resists minor scuffs and keeps internals protected.
What stands out about this relay is the way auto-off and heavy duty materials combine for long-lasting performance.