70% lighter than the latest concrete C/1/29


30% more internal capacity than C/1/29

The TTS 300 Series is suitable for ground installation in ballast, on concrete plinths, wall mounted, or elevated on posts.


Its nearest UK concrete equivalent size is C/1/29, but the TTS 300 Series offers 30% more internal capacity. With a small footprint the units are 70% lighter than the concrete alternative.


The TTS 300 Series cable ducting system includes:

  • Straights
  • Bends
  • Gradients
  • Junctions
  • Accessories

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Weight (Kg)



Internal Capacity





Concrete C/1/29


92 (total)

46 (base)

46 (lid)

40,250 mm2

1000 mm (length)

350 mm (width)

130 mm (depth/height)

440 mm (width)

170 mm (depth/height)

TTS 300 Series


27 (total)

16 (base)

11 (lid)

52,500 mm2

1000 mm (length)

300 mm (width)

175 mm (depth/height)

390 mm (width)

265 mm (depth/height)

300 Series

52,500 mm2


40,250 mm2

TTS (Trough-Tec Systems) is a

division of the HIRD Group

TTS (Trough-Tec Systems)


Clifford House

Lady Bank Drive


Doncaster DN4 5NF


P:  +44 (0)1302 343633



HIRD Rail Development


Cold Hole Expansion (CBX)

FTI RailTec

FTI StopCrackEX


Lankhorst Mouldings

Trough-Tec Systems


TTS Green Trough

TTS Walkway System

TTS Elevated System

TTS Replacement Lid

HIRD Rail Services


Insulated Rail Joints

Track Products

Heritage Rail Services