A nice touch with the CSJ-38-70010 is the clean label that resists smudging over time.
Wilmar Reverse Power Relay 720TDX 120V 50-400 Hz 0-5 Amps 720-TDX
Once wired, this Power Relay/Battery Isolator just works quietly in the background, giving peace of mind.
This relay shows the Deltrol brand, and that alone makes it worth a closer look.