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Johnson Controls M300RJ Addressable Relay Control Module – New, Fast Shipping
About this item
This is a brand new Johnson Controls M300RJ addressable relay control module.
Model and MPN both are M300RJ.
It's new, in original packaging, and ships fast—just like the title says.
If you're working on a fire alarm system, HVAC controls, or building automation and need a reliable addressable relay module, this is the one.
Johnson Controls doesn't mess around.
No UPC, no extra fluff—just a solid, professional-grade module ready to install.
USD$ 55.25 
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4.7 out of 5 stars
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