A nice touch is the clear markings, making the Power Relay/Battery Isolator straightforward to hook up.
RELECO C3-A30X/…V Power Relay With Socket DC24V 10A AC1 10A 300VAC E92191 S3-B
What stands out about this part is the Schneider Electric name, giving your project a familiar and trusted identity.
With a 500A rating, this relay feels solid even in demanding industrial setups.
It handles DC 12V inputs cleanly, and you will find that setup takes only minutes.