You will see that this small module carries the SRD-12VDC-SL-C name on itsThe SRD-12VDC-SL-C is the model noted on the packaging and in the manual.
24V 1xUM 10A 277V ZETTLER AZ943-1CH-24DE Relay #20-7d
You will find that the Square D name sits right on the housing, which feels solid and familiar.
A nice touch is how the power relay handles heavier loads without making setup feel complicated.
You will find that this unbranded relay pairs well with generic controllers, without any branding conflicts or odd fit issues.
A nice touch is the Square D brand on the relay, which matches other gear in the panel.
A nice touch is the compact shape, which leaves room for other parts in crowded enclosures.
What stands out about this unbranded brand is the clean coil marking, which helps you avoid wiring mistakes during setup.
What stands out about this power relay is the sturdy feel of the terminals and the clean snap.
functional devices, inc. is the brand here, which I think adds some peace of mind.
Many folks that this relay has the Square D name, a brand they have used for years.