
D-Line SD-RETRO4/20 Safe-D Size 4 Retro Clip 50x50mm (Pack of 20)
SD-RETRO4/20
D-Line SD-RETRO4/20 Safe-D Retro Clip Size 4 (50x50mm) – Fire-Rated External Clip for Trunking Compliance (Pack of 20)
The D-Line SD-RETRO4/20 Safe-D Retro Clip is a fire-rated, external clip designed to secure 50x50mm non-metallic trunking where internal supports are absent. With quick one-screw installation and high thermal resistance, it provides a fast and visible route to meeting fire safety regulations.
- External Fit for Trunking: Tailored for 50x50mm trunking, ideal for retrofit applications lacking internal support.
- One-Screw Fixing: Quick and efficient installation via 5mm eyelet—labour-saving and secure.
- Fire-Rated Performance: Built from material rated to withstand temperatures over 1200°C for compliance in fire-risk zones.
- Prevents Cable Drop: Holds trunking in place during fire conditions, helping prevent cable entanglement risks.
- Visible Safety Compliance: External design makes inspection simple and ensures regulation requirements are met.
Technical Specification
- Clip Size: 50x50mm (Size 4)
- Material: Fire-rated (melting point >1200°C)
- Fixing: 5mm eyelet for single screw
- Mounting Type: External to trunking
- Pack Quantity: 20 clips
✅ Secure your largest trunking systems with the D-Line SD-RETRO4/20—fire-rated, visible, and fast to fit for retrofit compliance.

Product | Cable Clips |
Type | Retro |
Colour | Galvanised |
Material | Steel |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.