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Alright, so this is a little piece of industrial control gear.
It's an ITT A178-9 solid state switch.

Does both NPN and PNP, which makes it handy for different setups.

Brand new, old stock, still in the original packaging.

These things are built to last—no moving parts to wear out, just clean switching.
If you're working on control panels, automation, or any project that needs a reliable solid state relay, this is a solid find.

MPN is A178-9, made by ITT.

No UPC, just a quality component.

Grab it if you need a dependable switch for your rig.

4 out of 5