Having the 4 Pack means you can finish a task without hunting for a spare.
Adjustable DC 12V Cycle Timer Delay On/Off Switch Relay Module 060 Min
The model is listed as N/A, so you can weigh coil resistance and switching speed without confusion.
It’s a 48V model, so you will find that it pairs nicely with common control modules and sensors.
For quick installations, the LY2NJ makes wiring simpler thanks to its clear pin layout.
I noticed the black housing looks clean on the rack and doesn't catch light in distracting ways.