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Home Analog Intercoms KB Series Wiring Diagrams

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    Wiring: KB Series with the RY-3DL

    Updated on July 16th, 2026

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    Summary

    Summary

    The KB-3MRD can release 3 door strikes when using the RY-3DL. Wire the system as shown below to use the single door release button to activate the strike associated with the door station that is in communication with the master station.

    KB-RY-3DL-Tech-Note-1 

    Wiring: KB Series Complete System Wiring: KB Series with the RY-3DL KB Series - External Signaling with RY-ES and IER-2 KB Series with TAR-3 (Discontinued)
    • wiring
    • relay
    • ry3dl
    • kb3mrd

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    Wiring: KB Series Complete System
    Wiring: KB Series with the RY-3DL
    KB Series - External Signaling with RY-ES and IER-2
    KB Series with TAR-3 (Discontinued)

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