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$175

Schlage 900-4RL Option Board – Brand New (Access Control / Power Supply

Posted 8 days ago in White Oak, MD

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Schlage 900-4RL Option Board – Brand New (Access Control / Power Supply

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Description

Brand new Schlage 900-4RL 4-Relay Option Board — works with Schlage and Von Duprin PS900-series power supplies (PS902, PS904, PS906, PS914). ✅ Four relay outputs with built-in logic ✅ Perfect for door interlocks, auto door operators, and timed door release setups ✅ Factory-fresh condition – never used, still in packaging ✅ Easy plug-in design for quick install Used in commercial security and access control systems for Schlage / Von Duprin hardware. 📦 Pick-up or can ship same day 💵 Cash or electronic payment accepted

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New

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