The RIB brand on this relay is simple and clear, which you will find helps when labeling the panel.
QTY (1) DAR71210P CYNERGY3 REED RELAY SPST-NO 3A 12Vdc PANEL MOUNT W/ WIRE WRAP
You will find that the 4016819 keeps heat down in simple panels with modest loads.
You will find that the motor starting relay helps the motor get going even in cooler or colder conditions.