4pcs DC 12V Relay Module 2 Channel Relay Board with Optocoupler Support High or

You will find that the relay type is NULL, which may appeal if you prefer simple specs.

The brand NOVITA appears right on the casing, and that little detail is a nice touch for buyers.

With 2pcs - 4pin relays, I can test both normally open and normally closed setups easily.

With the 4 Pack you get enough relays to handle multiple tasks around the workshop.

If you check this relay, you will find that it carries the Brown Boveri Electric Inc. brand, which many trust.

This one acts as a Phase Sequence Relay, and you’ll notice it helps keep your installation safer.

What stands out about this unbranded brand is the clean coil marking, which helps you avoid wiring mistakes during setup.

A nice touch is the many hobbyists recognize from various repair projects.

A nice touch is that the GV200-054 fits common enclosures without extra drilling.

What stands out about RPM-Q2R2011 is how it makes quick checks during assembly feel easier.