What stands out about this power relay is the sturdy feel of the terminals and the clean snap.
3 Vintage NOS Magnecraft W588X-5 Open Frame Relay 6VDC Coil 1/10 HP 120VAC Box
A nice touch is that it is clearly marked DC 12V, helping avoid guesswork during installation.
Zaplyte is the brand will find that it brings a calm confidence.
The solid-state relay module stays cool, and its design keeps connections tidy and safe.