What stands out about this relay switch is the clear datasheet that comes along.
PHILIPS DYNALITE DDRC1220FR-GL RELAY CONTROLLER – 12 CHANNEL LIGHTING CONTROL
The indicator light is a nice touch, and the heavy duty build feels solid in your hand.
What stands out about this unit is the RIB brand, and that detail matters during long projects.
A nice touch is the crisp SEL logo, a detail that helps when you are sorting through different relays.
You will find that the relay and socket work with common control circuits repairs less stressful.