With 2pcs - 4pin relays, I can finish a project and still have a spare for later.
2PCS 4-PIN 40/30 AMP 12 V DC Waterproof Relay Kit Harness Socket – Heavy Duty 12
With 2pcs - 4pin relays, you can wire a small control circuit and still have a spare on hand.
A nice touch is that the Type is clearly a Contactor, making it easier to imagine steady performance.
This set gives you 2pcs - 4pin relays, which makes a backup plan simple and affordable.
I like the 2pcs - 4pin relays because the pin layout is easy to follow and label.
a nice touch is that the Magnecraft RoHS brand appears on the relay, so you know it is from a recognized maker.
You will find that the 12- experimenting with different voltages less hectic.
What stands out about the unbranded brand is the lack of logos, keeping the look consistent with other anonymous hardware.
A nice touch is knowing this relay comes from Tyco Electronics.
What stands out about the unbranded brand is that the contact ratings are printed large, so you can read them fast.