Stable Click Connection
The locking connection aligns the track mechanically while connecting the running rails and centre conductor.
Märklin Three-Rail Track System with Click Connection
Märklin H0 C Track | All Products & Turnouts
The complete illustrated overview of Märklin C Track: short and long straights, R1 to R5 curves, reverse curves, contact track, transition track, buffer stops, uncoupling track, turnouts, crossings, accessories, multipacks and the digital C Track turntable.
H0 gauge
1:87 scale
16.5 mm track gauge
Märklin centre conductor
integrated roadbed
click connection
Range reviewed:
Stable Roadbed and Concealed Electrical Connection
What is Märklin H0 C Track?
Märklin C Track is an H0 track system with an integrated plastic ballast roadbed. Rails, sleepers, centre conductor and roadbed form a dimensionally stable track element. The concealed click connection provides both the mechanical and electrical connection.
The system belongs to H0 gauge at a scale of 1:87. The track gauge is 16.5 millimetres. The two running rails form the common return conductor, while the stud contacts in the centre carry the second pole of the Märklin three-rail system.
The integrated roadbed simplifies rapid assembly and dismantling while also permitting permanent layout installation. Space remains beneath the roadbed for connection cables, turnout drives and digital turnout decoders.
Straight track in graduated lengths and numerous fixed curve angles support precisely calculated geometry. Radii R1 to R5 permit compact circles and multi-track routes. Slender turnouts additionally use a large reverse curve with a radius of 1,114.6 millimetres.
Transition track connects C Track with the earlier M Track or the more flexible K Track. Contact track, uncoupling track, buffer stops, crossings and the digital turntable supplement the basic system.
Integrated Ballast Roadbed
The solid roadbed provides a defined track height and permits a stable temporary or permanent layout.
Technology Beneath the Roadbed
Turnout drives, decoders and electrical connections can be installed largely out of sight beneath the track body.
Coordinated Radii and Angles for Precise Track Plans
Compare Märklin C Track Radii and Curve Angles
Twelve curves with an angle of 30 degrees form a complete circle. Partial curves measuring 15, 7.5 or 5.7 degrees provide geometric compensation and connections to turnouts and crossings.
| Geometry | Radius | Products | Angle | Typical Application |
|---|---|---|---|---|
| R1 | 360 mm | 24107, 24115, 24130 | 7.5°, 15° and 30° | Compact inner circle and small H0 layouts |
| R2 | 437.5 mm | 24206, 24207, 24215, 24224, 24230 | 5.7°, 7.5°, 15°, 24.3° and 30° | Standard outer circle and standard turnout geometry |
| R3 | 515 mm | 24315, 24330 | 15° and 30° | Larger visible routes and parallel circles |
| R4 | 579.3 mm | 24430 | 30° | More generous routes with 64.3 mm spacing from R3 |
| R5 | 643.6 mm | 24530 | 30° | Wide outer circle and long vehicles |
| Slender Reverse Curve | 1,114.6 mm | 24912 | 12.1° | Reverse curve for slender turnouts and wide curves |
| Standard Turnout | 437.5 mm | 24611, 24612 | 24.3° | Compact stations and sidings |
| Slender Turnout | 1,114.6 mm | 24711, 24712 | 12.1° | More prototypical station approaches and main lines |
Observe Vehicle Radii
R1 is technically compact. Long passenger coaches, express locomotives and multiple units run more smoothly and look more prototypical on R3 to R5.
Distinguish Between Parallel Track Spacings
Radii R1 and R2 are separated by 77.5 millimetres. A spacing of 64.3 millimetres is frequently used around slender turnouts.
Use Transition Track
Product 24922 connects C Track and K Track. Product 24951 is intended for the transition from C Track to the earlier M Track.
Product Images, Catalogue Numbers and Direct Links
Märklin H0 C Track by Product Group
Every item receives its own product card with a catalogue number, precise description, permanently assigned main image and direct shop link. Search terms can include “24188”, “R3”, “contact track”, “slender turnout”, “buffer stop”, “74491” or “74862”.
The image files are permanently assigned to the relevant
shop products. Image addresses are not generated from
catalogue numbers, and similar products are not used as
replacement images. A neutral image notice appears if an
image cannot be loaded.
No matching Märklin C Track product was found.
Check the catalogue number or select “All Products” again.
From a Starter Oval to a Digitally Controlled Layout
Planning and Laying Märklin C Track Correctly
The robust geometry simplifies layout construction. Radii, turnouts, power feeds, feedback sections and digital components should nevertheless be planned together and tested before landscaping begins.
Temporary Layout
The click connection is suitable for floor railways, test circles, seasonal layouts and track plans that are altered regularly.
Permanent Model Railway Layout
The track can be screwed down and integrated into the scenery using colour, additional ballast and landscaped roadbed edges.
Digital Control
Turnout drives, installation decoders, contact track and isolated centre-conductor sections support automated and digitally controlled operating sequences.
Step 1
Match Vehicles and Radii
Check the minimum radius of the longest locomotives, coaches and multiple units.
Step 2
Close the Track Plan Geometrically
Use short straights, partial curves and suitable reverse curves instead of connecting track under tension.
Step 3
Prepare Electrics and Turnouts
Power feeds, feedback sections, drives and decoders should be installed before the track is fixed permanently.
Step 4
Test First, Then Add Scenery
Test every route and switching function before the track is ballasted or becomes difficult to access.
Avoid Common C Track Errors
- Connecting track sections at an angle or incompletely
- Forcing unsuitable partial curves into alignment
- Using R1 without checking long vehicles
- Providing too few power feeds on larger layouts
- Installing turnout drives only after landscaping
- Allowing ballast adhesive to enter point blades and mechanisms
Guidance About Turnout Drives and Roadbed
Electric drive 74491 can be installed largely out of sight beneath standard C Track turnouts. The switching movement, wiring and accessibility must be checked before the track is fixed permanently.
Answers About the System, Geometry and Electrics
Frequently Asked Questions About Märklin H0 C Track
The following answers provide guidance about track gauge, the centre conductor, radii, turnout drives, transition track, feedback and layout construction.
What does Märklin C Track mean?
C Track is an H0 track system with an integrated ballast roadbed, concealed click connection and Märklin centre conductor.
What track gauge does Märklin C Track use?
The model track gauge is 16.5 millimetres. H0 gauge uses a scale of 1:87.
Is C Track suitable for digital operation?
Yes. The track can be operated with analogue control or Märklin Digital. Digital control units are connected using a suitable connection set.
Which fixed radii are available?
R1 has a radius of 360 millimetres, R2 437.5 millimetres, R3 515 millimetres, R4 579.3 millimetres and R5 643.6 millimetres.
How many 30-degree curves form a circle?
Twelve curved track sections with an angle of 30 degrees form a complete circle.
How long is the standard straight?
Product 24188 is 188.3 millimetres long. Product 24172 supplements the geometry with a length of 171.7 millimetres.
Is Märklin C Track flexible track available?
The standard Märklin C Track range uses fixed track elements. Product 24922 can be used to change to Märklin K Track for freely curved routes.
What is the difference between standard and slender turnouts?
Standard turnouts 24611 and 24612 have a diverging angle of 24.3 degrees. Slender turnouts 24711 and 24712 use 12.1 degrees and a considerably larger radius.
Can manual turnouts be converted to electric operation?
Standard and slender C Track turnouts can be fitted with suitable electric drives. Product 74491 is intended for many standard turnouts.
What are products 24194 and 24994 used for?
Both products are contact track. The locomotive pickup shoe creates a momentary contact that can trigger signals, turnouts or other functions.
How is C Track connected to K Track?
Transition track 24922 provides the geometric and electrical connection between C Track and K Track.
How is C Track connected to M Track?
Product 24951 is intended for the transition to the earlier Märklin M Track.
What is centre-conductor insulation 74030 used for?
It separates the centre conductor between two track sections, for example for separate power circuits or switchable sections.
Can additional ballast be added to C Track?
Yes. The roadbed edges in particular can be treated with colour and integrated using additional ballast. Moving turnout parts must remain free.
Continue Planning and Select Matching Components
Related Topics for Your Märklin H0 Layout
Märklin Manufacturer Range
Discover locomotives, coaches, digital technology and accessories.
Straight and Curved Track
Compare further track systems, radii and lengths.
Turnouts and Crossings
Select left-, right-, curved and crossing turnouts.
Turntables
Discover turntables and matching roundhouses.
Track Accessories
Add electrics, drives, connectors and installation aids.
Compare Track Systems
Understand C Track, K Track and further systems.
Plan a Model Railway
Define the area, radii, station and electrics.
Model Railway Guide
Read basic guidance about track construction, electrics and design.
From a Starter Oval to a Complete Märklin H0 Layout
Plan radii, turnouts, power feeds, feedback sections and maintenance access together before fixing the track permanently.