
D-Line TSB28B Twin Surface Box Black 28mm depth
TSB28B
D-Line TSB28B Twin Surface Box – 28mm Depth, Black Finish for Professional Twin Accessory Surface Mounting
The D-Line TSB28B Twin Surface Box is designed for housing twin-gang electrical accessories in surface-mounted applications. With a slim 28mm depth and sleek black finish, it offers a modern and reliable solution for neat and efficient installations.
- Compact 28mm Depth: Low-profile box provides a tidy finish in areas where space is limited.
- Robust Black Housing: Manufactured from high-impact resistant plastic for long-term durability.
- Smooth Aesthetic: Black finish delivers a modern appearance that pairs well with matching accessories or offers stylish contrast.
- Supports Twin Accessories: Suitable for use with twin-gang sockets, switches, and modules.
- Surface Mount Installation: Designed for fast, secure fitting to solid walls or within trunking systems.
Technical Specification
- Mounting: Surface
- Depth: 28mm
- Finish: Black
- Material: High-impact resistant plastic
- Accessory Type: Twin gang box
✅ Trust the D-Line TSB28B for reliable, professional-quality twin surface installations with a smart, modern finish!

Product | Mini Trunking Box |
Type | Surface |
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.