The BU1 AC model balances size and capacity well, so your cabinet does not feel crowded.
Durakool 3M30APS120AC F50
I like that the RL40 model keeps the panel tidy, which helps during troubleshooting.
The label showing the QUALITY brand looks neat, and it tells you this relay was made with care.
A nice touch is the heavy duty construction, which gives the whole unit a reassuringly sturdy feel overall.
A the TE brand is easy to read, and that saves time.
The NVX brand sits right where you expect, and that relay feel familiar and reliable.
A nice touch is the compact size, so the Weasch relay fits tight spaces easily.
What stands out about this unit is the clear SRD-12VDC-SL-C designation printed right on it.
A nice touch is the TimeSaver brand's balanced build, which feels sturdy without being overly complex for everyday tasks.
You will find that the 2pcs - 4pin relays work well with standard relay boards and small enclosures.