DCC Accessories

The Digitrax DSXCP1 gives you convenient fascia-mounted control over your turnouts when paired with the DS74 Quad Switch Stationary Decoder. With two-color LED indicators showing the current switch position at a glance, you can throw turnouts right from your layout's fascia panel — no throttle needed. Looking for more DCC accessories? Browse our Track & Accessories collection. Features Two-color LEDs clearly indicate the current switch position — Normal or Reversed — so you always know which way your turnout is thrown. Mounts directly to your layout fascia through a standard 1" hole for clean, professional-looking control panels. Wires to the DS74 input cable, or use the optional DSXC4 connector for simple plug-and-play installation. Includes a 3-wire control cable right in the package — no extra parts needed to get started. Compatible with all model railroad scales when used with the Digitrax DS74 decoder. More Information Brand Digitrax Item Number DSXCP1 Scale All Scales Product Type DCC Accessory Compatibility Digitrax DS74 Quad Switch Stationary Decoder Condition New UPC 652667180177 FAQ Does the DSXCP1 work without a DS74?No — the DSXCP1 is designed specifically as a fascia control panel for the Digitrax DS74 Quad Switch Stationary Decoder. You'll need a DS74 to use it. How many DSXCP1 panels can I connect to one DS74?The DS74 supports up to four DSXCP1 panels, one for each of its four switch outputs. Do I need the DSXC4 connector?Not necessarily. The DSXCP1 can be wired directly to the DS74's input cable. The optional DSXC4 simply makes it a plug-and-play connection if you prefer not to solder or splice wires. What size hole do I need to drill in my fascia?The DSXCP1 fits a standard 1-inch (25mm) hole in your layout fascia panel.

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The Train Control Systems KA3 Keep-Alive® is a compact stay-alive capacitor pack that feeds backup power to your DCC decoder whenever the wheels lose contact with the rails. No more stalling on dirty track, dead frogs, or insulated turnouts — the KA3 keeps a locomotive running with its lights and sound on for roughly 6 to 20 seconds during a power interruption (depending on the locomotive and motor). It includes Blue and Black-with-White-stripe lead wires to solder to your decoder's keep-alive pads (V+ and ground), so it works with TCS and most other-brand decoders that accept an external keep-alive. Browse more decoder add-ons in our DCC Accessories collection, shop the full Train Control Systems lineup, or pair it with a new sound decoder from our DCC Decoders collection. Features Keep-Alive® stay-alive capacitor pack eliminates stalling on dirty track, dead frogs, and insulated rail joints. Powers an HO locomotive with lights on for approximately 6 to 20 seconds during a power interruption. Includes Blue and Black/White lead wires to solder to your decoder's keep-alive pads — works with TCS and most other-brand decoders. Input rating 12–16V; works with any scale and any DCC system. More Information Brand Train Control Systems (TCS) Item Number 2000 (KA3) Type Keep-Alive / Stay-Alive Capacitor Pack Connection Blue + Black/White Wire Leads (solder-on) Input Rating 12–16V Scale Any Scale Condition New FAQ What does a Keep-Alive actually do?It stores an electrical charge and feeds it to your decoder when track power drops out, so the locomotive keeps moving and its lights and sound stay on across dirty track, frogs, and gaps. How do I connect the KA3?Solder the Blue wire to your decoder's keep-alive positive (V+) pad and the Black/White wire to the ground pad. It works with TCS decoders and most other brands that offer keep-alive connections — check your decoder's manual for the correct pads. How long will it keep my loco running?Expect roughly 6 to 20 seconds with headlights on for a typical HO locomotive, depending on motor efficiency and current draw.

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Keep your DCC-equipped locomotives running smoothly through dirty track, turnouts, and dead frogs with the TCS 1669 KA5 Keep Alive. This compact stay-alive device packs five supercapacitors to store backup power, providing approximately 6 to 20 seconds of uninterrupted operation when track power is lost. It's a must-have upgrade for any decoder-equipped engine that stalls on problematic trackwork. Looking for more DCC accessories? Browse our DCC Accessories collection. Features Five supercapacitors provide 6-20 seconds of backup power (depending on locomotive and motor efficiency) Eliminates stalling on dirty track, turnouts, dead frogs, and problematic trackwork Compact size: 1.325" x 0.45" x 0.347" (33.45mm x 11.45mm x 8.80mm) fits inside most HO and larger locomotives Simple two-wire installation: Blue and Black w/ White Stripe leads connect directly to any Keep Alive-ready decoder Compatible with all TCS decoders and any other Keep Alive-ready decoders Input voltage: 12-16V DC Scale: Any Scale works with all gauges and scales More Information Brand Train Control Systems (TCS) Item Number 1669 Scale Any Scale Product Type Keep Alive / Stay-Alive Device Supercapacitors 5 Dimensions 1.325" x 0.45" x 0.347" Input Voltage 12-16V DC Wiring Blue and Black w/ White Stripe (2-wire) Condition New UPC 879508008180 FAQ How long will the KA5 keep my locomotive running without track power?The KA5 provides approximately 6 to 20 seconds of backup power with headlights on, depending on the locomotive's motor efficiency and power draw. What decoders is this compatible with?The KA5 works with all TCS decoders and any other Keep Alive-ready decoders from other manufacturers. Check your decoder's documentation for a Keep Alive connection point. Will this fit inside my locomotive?At 1.325" x 0.45" x 0.347", the KA5 fits inside most HO scale and larger locomotives. Measure your available space before ordering. N scale installations may require creative placement. Is soldering required for installation?Yes. You will need to solder the two included wires (Blue and Black w/ White Stripe) to the Keep Alive pads on your decoder. Basic soldering skills are required.

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The Digitrax SHABC is a complete turnout signalling kit for HO scale. A turnout needs three signals to be done properly - a dual-head mast facing the points that can show both routes, and single-head masts covering each leg beyond - and that is exactly what is in the box, along with the mounting board, plugs and hardware. Current-limiting resistors are already fitted. Signalling your layout? Browse our DCC Accessories, DCC Wiring, and the full Digitrax range. What's Included Item Qty Dual Head A Signal 1 Single Head B Signal 1 Single Head C Signal 1 SMP1 signal mast plug 3 Spacers 6 Screws 6 Features Everything for one turnout signal plant - three signals, mast plugs, spacers and screws in one box. Dual-head A signal to show both the straight and diverging routes at the points, plus B and C single heads for each leg. Plug and play 10-pin connectors so signals lift out when you are ballasting or working on scenery. Current-setting resistors built into the board - nothing to calculate, nothing to solder. Pads are provided to attach any signal head to the mast base if you want to mix in other manufacturers. Intended for use with the Digitrax SE8C signal decoder. More Information Brand Digitrax Item Number SHABC Product Type Signal Kit Scale HO Configuration Turnout - A, B and C masts Signal Heads 1 dual head, 2 single head Connector 10-pin plug and play Resistors Built into the mounting board Use With Digitrax SE8C signal decoder Condition New FAQ What is the difference between this and a mainline kit?A turnout needs three signals, not two: a dual-head A mast protecting the points and showing both routes, plus single-head B and C masts for each leg beyond. A mainline kit such as the SH2AB only covers plain double track. Do I need anything else to make the signals work?Yes - a signal decoder to drive the aspects (the SE8C is the intended partner), cabling to reach the masts such as the SDCK kit, and some form of block occupancy detection. Do I need to add resistors?No. Current-setting resistors are already on the mounting board, so there is no resistor maths and no risk of over-driving an LED. Can I mix in signal heads from other makers?Pads are provided on the mast base so you can attach other signal heads if you want a specific prototype. The plug arrangement and resistor board are designed around the Digitrax SE8C.

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If necessary, you can add the Decoder Tester Extension to your Profi Decoder Tester: Plugged into the side of the Decoder Tester it enables you to comfortably test all large scale decoders. If you also have to deal with large scale LokSound XL or LokSound L decoders in your workshop, the Profi Decoder Tester Extension is just the right thing for you: You can plug on LokSound XL decoders with multi-pin connectors as well as LokSound L decoders directly and easily test them. The extension module has multi-pin connectors for direct plug-on of the decoder types mentioned above. An LED monitor with 12 LEDs displays the status of all physical function outputs. You may also plug on a second speaker or sensor inputs onto the multi-pin connector for quick and easy testing. Up to four servos may also be plugged on for direct testing. Especially for the LokSound L, connecting pins for a smoke generator have also been added. The Profi Decoder Tester Extension represents the perfect test and programming bench in conjunction with the Profi Decoder Tester, where you can test and program almost all (ESU) decoders quickly and easily. WARNING: This product can expose you to a chemical, which is known to the State of California to cause Cancer and Reproductive Harm - For more information go to www.P65Warnings.ca.gov

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The SoundTraxx 810139 is the 40 x 28.5mm Speaker Gasket Kit. Package of four gaskets for mounting our 40 x 28.5mm oval speakers (P.N. 810078). More Information Browse all DCC speakers and DCC wiring, shop the full SoundTraxx range, or pick a decoder from our DCC decoders.

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The SoundTraxx 810118 is the 20mm Speaker Gasket Kit. Package of four gaskets for mounting our 20mm round speakers (P.N. 810053). More Information Browse all DCC speakers and DCC wiring, shop the full SoundTraxx range, or pick a decoder from our DCC decoders.

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The SoundTraxx 810120 is the 40 x 20mm Speaker Gasket Kit. Package of four gaskets for mounting our 40 x 20mm oval speakers (P.N. 810103). More Information Browse all DCC speakers and DCC wiring, shop the full SoundTraxx range, or pick a decoder from our DCC decoders.

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Add smooth, controllable warm white lighting to N, TT, or HO passenger cars with the ESU 50718 Digital Interior Lighting Kit. The 264 mm light bar combines 13 LEDs, an integrated multi protocol decoder, entry lighting, and a red end marker light in one flexible installation. The 50718 is the updated successor to the ESU 50708 lighting strip, with 13 LEDs and expanded lighting control. Complete your project with more DCC accessories, HO scale products, and N scale products. Specifications Brand ESU Item Number 50718 Product Type Digital passenger car interior lighting kit Compatible Scales N, TT, and HO Length 264 mm (10.39 in), cuttable Width 9 mm LEDs 13 warm white LEDs Control DCC, RailComPlus, Märklin Motorola, analog DC, and analog AC UPC / EAN 4044645507186 Condition New Features Thirteen warm white LEDs provide even, prototypical illumination for passenger car interiors. Integrated LokPilot 5 Basic based decoder supports DCC, RailComPlus, Märklin Motorola, analog DC, and analog AC operation. Seven independently controllable LED groups include separately switchable entry lights and a direction dependent red marker light. Cut points let you shorten the 264 mm board to fit different car lengths. Built in constant voltage control and a buffer capacitor help maintain steady brightness through brief power interruptions. Optional ESU 50710 PowerPack compatibility provides longer flicker protection when desired. Frequently Asked Questions Which scales can use this lighting kit?ESU designed it for N, TT, and HO passenger cars. Check the available space and pickup arrangement in your specific car before installation. Can the light bar be shortened?Yes. The board has designated cut points so it can be adapted to shorter passenger cars. Does it work on analog layouts?Yes. It supports both analog DC and analog AC operation in addition to DCC and Märklin Motorola digital control. Is a PowerPack included?No. A small buffer capacitor is built in, and the optional ESU 50710 PowerPack can be added for longer power interruption protection. Explore More Browse our DCC accessories for additional lighting, wiring, and control components.

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The WAUX-KA5 is designed specifically for use with the TCS WOW101 decoder. It's a Keep-Alive® energy storage device that supplies continuous power to the decoder whenever the locomotive loses track contact, paired with a built-in auxiliary harness that also routes the decoder's auxiliary outputs for additional functions. The KA5 packs five supercapacitors for higher storage capacity and peak voltage than a KA3 or KA4, keeping your locomotive moving and headlights lit for roughly 6–20 seconds through dirty track, frogs, and other dead spots. Shop more DCC Accessories and Train Control Systems products. Features Designed for use with the TCS WOW101 decoder (not compatible with other decoders without modification) Five supercapacitors for maximum storage capacity and peak charging voltage Includes auxiliary harness for the WOW101's additional function outputs Keeps DCC locos running 6–20 seconds through dead spots and dirty track Keeps headlights, sound, and motor alive during power interruptions Compact form factor fits most HO scale locomotives; also usable in larger scales More Information Brand Train Control Systems (TCS) Item Number 1685 (WAUX-KA5) Product Type DCC Keep-Alive Capacitor with Auxiliary Harness Compatibility TCS WOW101 decoder only Capacitor Count 5 supercapacitors Run-On Time Approx. 6–20 seconds for an HO-scale locomotive Scale Compatibility Any scale running a WOW101 decoder Condition New FAQ Will this work with any TCS decoder?No. The WAUX-KA5 is built specifically for the TCS WOW101 decoder. For other TCS decoders, use the KA5-P or another appropriate Keep-Alive model. What's the difference between this and the KA5-P?Both use the same 5-supercapacitor bank, but the WAUX-KA5 adds a dedicated auxiliary harness wired for the WOW101's extra function outputs. The KA5-P has a simpler 2-pin plug for decoders with a standard Keep-Alive socket. How long does it keep the loco running?Roughly 6–20 seconds depending on the locomotive's motor efficiency and what lighting/sound functions are active. Do I need to solder anything?No. The harness is pre-wired with the connectors needed for a WOW101 installation.

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The TCS 2006 KA5-P is a Keep-Alive® energy storage device designed to supply continuous power to your DCC decoder when a locomotive hits dirty track, a frog, or any other spot where electrical pickup falters. The KA5 packs five supercapacitors for higher storage capacity and peak voltage than a KA3 or KA4, keeping your loco moving and headlights lit for roughly 6–20 seconds of power interruption. The "-P" version ships pre-wired with a 2-pin JST plug and matching socket, making it a drop-in upgrade for compatible TCS decoders without any soldering. Shop more DCC Accessories and Train Control Systems products. Features Five supercapacitors for maximum storage capacity and peak charging voltage Pre-wired with a 2-pin JST plug and mating socket — no soldering required Keeps DCC locos running 6–20 seconds through dead spots and dirty track Keeps headlights, sound, and motor alive during power interruptions Works with any TCS decoder equipped with a Keep-Alive socket (and most other manufacturers' decoders with appropriate wiring) Compact form factor fits most HO scale locomotives; can also be used in larger scales More Information Brand Train Control Systems (TCS) Item Number 2006 (KA5-P) Product Type DCC Keep-Alive Capacitor Connector 2-pin JST plug with matching socket (pre-wired) Capacitor Count 5 supercapacitors Run-On Time Approx. 6–20 seconds for an HO-scale locomotive Scale Compatibility Any scale with a compatible DCC decoder Condition New FAQ What does a Keep-Alive actually do?It stores electrical energy in supercapacitors and releases it to your decoder whenever track power drops out, keeping the loco moving, lights on, and sound playing through short interruptions. How is the KA5 different from the KA3 or KA4?The KA5 adds a fifth supercapacitor, giving it higher peak voltage and longer run-on time than the older three- and four-cap versions. Do I need to solder this?No. The -P version comes pre-wired with a 2-pin JST plug and socket. Plug it into a compatible TCS decoder and you're done. Will it fit in my locomotive?The KA5 is a compact rectangular board designed to fit most HO locomotives. For tighter installations, consider one of TCS's smaller Keep-Alive models.

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If you've ever spent an evening crawling under your layout chasing a phantom LocoNet glitch, you already know how welcome the Digitrax LT1 is in a DCC toolbox. This compact tester checks LocoNet cables for proper wiring and lets you bench-test mobile decoders before they ever go near a locomotive, so problems get caught at the workbench instead of in the middle of an operating session. What's in the Box LT1 tester board with four diagnostic LEDs and a female 6-pin RJ12 jack Test harness with 6-conductor telco wire, male RJ12 plug, and a 100-ohm 2-watt protection resistor Printed instruction sheet covering both cable and decoder testing modes Why Hobbyists Reach for the LT1 Verify LocoNet cables in seconds. Plug a cable between the LT1 and any powered Digitrax command station or booster, and all four LEDs light up when the cable is good. Any dark LED tells you exactly which conductor failed. Test decoders before installation. Connect a mobile decoder to the harness, set it on your programming track or main, and use your throttle to confirm motor output, lighting functions, and DCC response without soldering it into a locomotive first. Catch shorts and bad crimps early. Especially useful if you build your own LocoNet cables with a crimper and bulk telco wire — one quick LED check confirms the crimp before the cable disappears under benchwork. Works with any scale. Z, N, HO, S, O, or G — if you run a Digitrax LocoNet system, the LT1 belongs in your toolbox. Specifications Brand Digitrax Item Number LT1 SKU 245-LT1 Type LocoNet Cable & Decoder Tester Connector RJ12 6-pin (telco) Indicators Four diagnostic LEDs Protection 100-ohm 2-watt resistor on harness Scale All scales (Z, N, HO, S, O, G) Compatibility All Digitrax LocoNet command stations, boosters, and starter sets Frequently Asked Questions Does the LT1 work with non-Digitrax DCC systems?The cable-test function works with any standard RJ12 6-pin telco-style cable, but the LocoNet test mode is specific to Digitrax LocoNet (NCE, MRC, and ESU systems use different bus wiring). For decoder testing, the LT1 works with any NMRA-compliant mobile decoder paired with a Digitrax throttle and command station. Do I need a separate power supply?No. The LT1 draws everything it needs from your Digitrax command station or booster through the LocoNet jack you plug it into. Can I test stationary decoders or accessory decoders with it?The LT1 is designed for mobile (locomotive) decoders. Stationary and accessory decoders use different wiring and are best tested with a dedicated programmer or in their intended layout circuit. What does it mean if only some LEDs light up?Each LED corresponds to a specific conductor in the LocoNet cable. A dark LED tells you which wire is broken, miscrimped, or shorted — usually pointing you straight at a bad RJ12 plug on one end of the cable. More from Squeaky's Trains Pair the LT1 with a full DCC accessories stash, browse our Digitrax collection for command stations, boosters, and throttles, or stock up on DCC decoders to bench-test with your new LT1.

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