#11,137 in Industrial & Scientific
Reddit mentions of Electronics-Salon DIN Rail Mount 8 SPDT Power Relay Interface Module. (Operating Voltage: DC 12V)
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Reddit mentions: 1
We found 1 Reddit mentions of Electronics-Salon DIN Rail Mount 8 SPDT Power Relay Interface Module. (Operating Voltage: DC 12V). Here are the top ones.
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DIN Rail mount 8 Channel 10Amp SPDT Power Relay Module, DC 12V Version.JS1-12V-F Power Relays. LED indicator for each relay channel. Darlington transistors circuit driving relay, improve the reliability of action.DIN rail mount carrier: High quality Taiwan DINKLE fireproof nylon material DIN rail mount carrier (not China low quality carrier), can support width 35mm / 32mm / 15mm rail. FR-4 fiber glass dual layers PCB.High quality terminal block: Pitch 5.0mm/0.197", Wire range 28AWG ~ 12AWG / 2.5mm square, Strip length 7mm. Screws - M2.5,steel,Cr3+ Zn plated. Pin header and Cage - Brass.Datasheet: https://images-na.ssl-images-amazon.com/images/I/91AHtk3PT3L.pdf
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I had an idea today. Why couldn't I re-purpose an old Rainbird Sprinkler timer? It's basically a timer that closes NO circuits based on a schedule. It won't ever run two zones at a time. It won't need any programming other than the schedule. I could wire something like this to it:
https://www.amazon.com/ELECTRONICS-SALON-Mount-Power-Interface-Module/dp/B00M1MIC3C/ref=sr_1_2?ie=UTF8&qid=1494788960&sr=8-2&keywords=12+relay+block
And those 10A relays could handle either the positive or negative lead from the battery tender (which has max output of 3.3A).
Any reason that wouldn't work well?