You can tell the Miniduino team cares, and what stands out about their approach is the practical labeling on the relays.
ALSTOM P14DB16A7C0610A Numerical Feeder Protection Relay
Its 70*20*18mm / 2.75*0.78*0.7" profile helps when panel space is limited.
A nice touch is that the LY2NJ text is printed clearly, so you do not have to guess which one it is.
What stands out about BU1 AC is the way it sits flush, looking neat.
You will find that Eaton has a long history, so the label adds a subtle sense of trust.
What stands out about this unit is that it is a protection relay, adding peace of mind to your system.
A nice touch is the steady performance of the protection relay when power quality dips or surges occur.
I appreciate that the Branded contacts are neatly arranged, making wiring straightforward.
A nice touch is the way the protection relay keeps an eye on your system and steps in when needed.
With a programmable timer, the relay lets you control when devices turn on.