AutomationDirect keeps things simple, and you will find that the terminals accept common wire gauges without fuss in the field.
J134M4-12L M39016/41-051L Electromechanical Relay 12VDC 800Ohm 1ADC/0.25AAC DPDT
you will find that this unit the Magnecraft RoHS brand, and that detail gives it a more serious feel.
You can spot the pin style relay right off, and it helps keep cable runs neat.
It's nice that the economizer helps limit inrush current and keeps the system stable.
A nice touch is how the split charge service batteries from the engine without extra gadgets.
You will find that the FTR-F3 model mates nicely with standard sockets in the enclosure.
What stands out about this relay is the model 7.4.1.7-2, which makes identification quick during a busy repair.
You will find that the Honeywell brand on the relay adds a nice touch of credibility to your setup.
A nice touch is that the Littelfuse name sits right on the relay, signaling quality.