A nice touch is that the 12-Channel Voltage Relay lets you group tasks in one spot.
MOELLER EMR4-W500-1-D 3 PHASE MONITORING RELAY AC 300-500V 50/60HZ DIN RAIL
you will find that the brand is Crydom, which is a nice touch for anyone building a control panel.
You will find that this relay is a contactor relay, giving it that heavy-duty feel for switching bigger loads.
Once you handle this relay, the model 7.4.1.7-2 helps you avoid mix-ups with similar looking units.
What stands out about the relay is that the brand is NTE, a name many people recognize.
A nice touch is the click the 4016819 makes, giving quick feedback as you test circuits.
What Potter & Brumfield unit is the clear polarity marks on the coil.
What stands out about this Flasher Relay is the compatibility with both 12V and 24V systems in vehicles.
I appreciate that the Square D 8501RS14V20 uses familiar terminology on its case for easy reference.
The G8HE-1C7T-R1-DC12 model is easy to recognize and simple to order for your project.