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DCC Accessories

Midwest Model Railroad carries a wide variety of digital command control accessories for your model set. Our DCC accessories will help expand the functionality of your model train’s system. You’ll discover various cables, universal throttles, universal panels, and more. Our DCC stationary decoders can switch conventional double-coil switch drives, magnetic uncouplers, light signals, and more. Plus, we only carry high-quality products in our store. You put time and energy into choosing the proper train pieces, and your accessories deserve the same attention to detail. Put yourself back in the driver’s seat by investing in exceptional DCC accessory controls for your model train set. Browse our entire online collection today. 

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  • RR-CirKits, Inc CAB-Servo-M-F-39 - Cable, Servo Extension Lead Male to Female, 39 inches/1 meter, for Quik Link    - Multi Scale

    RR-CirKits, Inc CAB-Servo-M-F-39 - Cable, Servo Extension Lead Male to Female, 39 inches/1 meter, for Quik Link - Multi Scale

    $2.86
    Servo Extension Cable (M-F) This 39" cable may be used to extend the length of the above (M-M) cables.
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    $2.86
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  • RR-CirKits, Inc CAB-Servo-M-M-20 - Cable, Servo Lead Male to Male, 20 inches/50cm, for Quik Link    - Multi Scale

    RR-CirKits, Inc CAB-Servo-M-M-20 - Cable, Servo Lead Male to Male, 20 inches/50cm, for Quik Link - Multi Scale

    $1.91
    Servo Connection Cable (M-M) This 20" cable may be used to connect two Quik-Link devices.
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    $1.91
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  • RR-CirKits, Inc Button-Quik -Link - Button Quick -Link    - Multi Scale

    RR-CirKits, Inc Button-Quik -Link - Button Quick -Link - Multi Scale

    $9.25
    The Button-QL is an LCC Sample Mode compatible indicator/switch unit. When used with an LCC node the switch function and indicator function may be controlled separately over the same I/O channel. The unit is configurable via solder jumpers on the back...
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    $9.25
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  • RR-CirKits, Inc IDC-M10-Latchx10 - Header, IDC,2.54mm 10 Pin, Male Box Header Flat Cable Connector, Mounting Ear, Shrouded, with Latch, package of 10    - Multi Scale

    RR-CirKits, Inc IDC-M10-Latchx10 - Header, IDC,2.54mm 10 Pin, Male Box Header Flat Cable Connector, Mounting Ear, Shrouded, with Latch, package of 10 - Multi Scale

    $11.89
    (10 position IDC male with latch) Box of 10 Insulation Displacement Connectors for use with 10 wire flat ribbon cable. Use with IDC-S10 to create extension cables. Screw ears allow easy mounting to the layout.
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    $11.89
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  • RR-CirKits, Inc IDC-S10x25 - Insulation Displacement Connectors (IDC) Box of 25    - Multi Scale

    RR-CirKits, Inc IDC-S10x25 - Insulation Displacement Connectors (IDC) Box of 25 - Multi Scale

    $7.44
    (10 position IDC socket) Box of 25 Insulation Displacement Connectors for use with 10 wire flat ribbon cable.
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    $7.44
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  • RR-CirKits, Inc FOB-C - Fan Out Board, Dual Direct    - Multi Scale

    RR-CirKits, Inc FOB-C - Fan Out Board, Dual Direct - Multi Scale

    $14.87
    (Fan Out Board, Dual Direct) This board is specifically designed to terminate the dual cable, eight stall motor, connections from a single SMD-8 board. It includes on board jumpers to select common positive or common negative for optional single ended...
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    $14.87
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  • RR-CirKits, Inc FOB-A - 8 Line Quick Release LED Fan-Out Board, Direct Drive    - Multi Scale

    RR-CirKits, Inc FOB-A - 8 Line Quick Release LED Fan-Out Board, Direct Drive - Multi Scale

    $10.74
    Fan Out Board, Direct Drive) This board is specifically designed to direct drive eight LED's from a single RR-CirKits port. It includes on board locations for current limiting resistors and jumpers to select common anode or common cathode connections. No...
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    $10.74
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  • RR-CirKits, Inc OI-IB-8 - Opto Isolator - Input Board - 8 line, Rev E    - Multi Scale

    RR-CirKits, Inc OI-IB-8 - Opto Isolator - Input Board - 8 line, Rev E - Multi Scale

    $23.28
    This board is normally used for block detection on three rail layouts. This version of the board includes internal current limiters. Useful anyplace that an external voltage needs to be monitored. (5V-20V AC-DC-DCC)
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    $23.28
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  • RR-CirKits, Inc RB-4 - 4 Line SPDT Relay Board    - Multi Scale

    RR-CirKits, Inc RB-4 - 4 Line SPDT Relay Board - Multi Scale

    $25.77
    Relay Board - 4 is a Quad 10A SPDT relay board with logic level drivers. It is suitable for use with TC Mark II, TowerMan, Tower LCC, or other logic level output devices. It requires 12V auxiliary power to supply the relay coils. Auxiliary power is...
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    $25.77
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  • RR-CirKits, Inc SCSD-8 - 8 Output Single Coil Solenoid Driver    - Multi Scale

    RR-CirKits, Inc SCSD-8 - 8 Output Single Coil Solenoid Driver - Multi Scale

    $33.59
    (Single Coil Solenoid Driver) This 8 line, optically isolated, single ended, high current, high voltage DC driver can drive up to 1A continous per line at up to 30VDC. When used with custom Tower LCC settings and a CD power supply this board will drive 4...
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    $33.59
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  • RR-CirKits, Inc IO-Test - 8 Line I/O Port Test Board    - Multi Scale

    RR-CirKits, Inc IO-Test - 8 Line I/O Port Test Board - Multi Scale

    $8.32
    (I/O Test Board) This board contains 8 push button switches and 8 LED pairs. It is designed to quickly test the I/O ports on any of our boards such as the Tower LCC, Mark II, various of the WorkMan series SSB boards, and our LCC I/O nodes. It may be...
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    $8.32
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  • RR-CirKits, Inc CT-coil-set-8 - Coils, current sensing, set of 8    - Multi Scale

    RR-CirKits, Inc CT-coil-set-8 - Coils, current sensing, set of 8 - Multi Scale

    $14.50
    Set of 8 CT (Current Transformer) coils for BOD-8. These 100:1 toroid coils sense the track current on leads passing through the hole in the middle of the coil. They connect to the BOD-8 with twisted pair cable such as CAT-3 or CAT-5 network cable. (up...
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    $14.50
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  • RR-CirKits, Inc UN8-BE - USB to Serial DB9 cable, 6 ft.    - Multi Scale

    RR-CirKits, Inc UN8-BE - USB to Serial DB9 cable, 6 ft. - Multi Scale

    $24.15
    USB to serial Interface unit. Includes driver disk. Well suited for interfacing NCE Power Pro command station to USB.This unit does not require any modifications to the command station for proper attachment. Note: Not for Power Cab, nor for Smart Booster...
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    $24.15
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  • RR-CirKits, Inc Signal-LLC-P - Signal LCC Board with IDC Pin connections    - Multi Scale

    RR-CirKits, Inc Signal-LCC-P - Signal LCC Board with IDC Pin connections - Multi Scale

    $59.90
    16 Led drivers plus 8 line Input/Output node for NMRA CAN bus LCC®. Logic level I/O port compatible with other standard RR-CirKits I/O modules. Boot Loader for user installable firmware upgrades. Includes powerful internal Logic Elements. Compatible with...
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    $59.90
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  • DigiTrax DS78V - DS78V Stationary Servo Decoder & DSXSV9 Servo    - Multi Scale

    Digitrax DS78V - Eight Servo LocoNet Stationary & Accessory decoder for turnout control

    $69.36
      Eight 9G servo decoder for 2-position Slow-motion turnouts. Configurable to control eight 3-position semaphores. Works with compatible LocoNet Systems. Plug and play connections. Option setup switches for configuration. On-layout...
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    $69.36
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  • Atlas 200 - Snap-Relay    - Multi Scale

    Atlas 200 - Snap-Relay - Multi Scale

    $16.73
    A double-pole, double-throw relay with actuating mechanism driven by a momentary-power, twin coil solenoid. (A solenoid is a cylindrical coil of insulated wire in which an iron core is made to move back and forth by a flow of electric current.) With just...
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    $16.73
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