Article number: 185-40178


  • Narrow slots suitable for small-diameter wires
  • Smooth, burr-free edges protect installers from injury and wires from damage
  • Fingers can be removed with no sharp edges at pre-notched snap-off points
  • Further pre-notched snap-off point at base of sidewall allow cutting out and removing sections of sidewall with no sharp edges
  • Duct covers are easy to mount and remove, yet hold securely even in a vertical position and under vibration
  • Cover is flush with side of duct, allowing for tight, contiguous placement of ducts
  • Base perforation according to DIN EN 50085

Certifications & Approvals


HelaDuct HTWD-PD wiring ducts are used to route and protect wires in control panels and switching systems.

HTWD-DIN 25X50 is suitable for following markets and industries

  • Electrical Installation Electrical Installation
  • Panel Building Panel Building
Colour Grey (GY)
Current leak stable Yes/No Yes
Fixation Method Screw Mounting
Pack Cont. 44m
Package Quantity per box
Part No. 18540178
Type of side wall Slotted
Height (H) 50mm
Length (L) 2000mm
Suitable for cross section 825mm²
Width (W) 25mm
Width (W2) 5mm
Width (W3) 7.5mm
ELV compliant (Article 4 - 2) YES
Flammability UL 94 V0
Hazardous good No
Material Polyvinylchloride (PVC)
Material PVC
Operating Temperature - °C -20 °C to +60 °C
Specifications CEN, EN 50085-25, UL, VDE
EAN / GTIN 4031026427874
Packaging 1 - Height (m) 0.1m
Packaging 1 - Length (m) 2.03m
Packaging 1 - Qty 44
Packaging 1 - Type carton
Packaging 1 - Volume (m³) 0.0406
Packaging 1 - Weight (kg) 17.028kg
Packaging 1 - Width (m) 0.2m
Weight 17.028kg

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Update: 23/06/2019 © HellermannTyton 2019