You can tell the THC-15A model is well made, since the coil feels balanced and does not buzz when energized.
GRV805 Voltage Relay 3Phase Monitoring Sequence Phase Failure M265
What stands out about the unbranded brand is that the contact ratings are printed large, so you can read them fast.
What stands out about this relay is the lack of branding, which keeps the unbranded/generic feel consistent.
What stands out about the unbranded brand is the simple color scheme, which helps you match it with other components easily.
A nice touch is how the unbranded brand uses a bright indicator LED, so you know at a glance when it's active.
You will find that the JDMSPEED relay sits neatly in the slot and connects without fuss.
When checking the box, you will see 4RD00779404 model mentioned clearly, which helps avoid any mix-ups.
The MICTUNING brand on the side makes it simple to spot when digging through a crowded parts bin.
A nice touch is that the RIB2402D model is shown the manual with clear diagrams.
You will find that SICK quality keeps contact bounce minimal and switching clean.