



Tass TFB3/76 Galvanised 3 Compartment Floor Box With Polycarbonate Frame & Lid L: 303mm x W:212mm x D:76mm
TFB3/76
3 Compartment Galvanised Floor Box – Polycarbonate Frame & Lid with Knockouts, 76mm Depth
This robust 3-compartment floor box features a galvanised steel body and a high-impact polycarbonate frame and lid, making it ideal for commercial and office floor installations. Designed with fast-fit clamp fixing, recessed lifting handle, and multiple knockout options, it provides a practical and flexible solution for distributing power and data in raised, carpeted floors.
- Durable Galvanised Steel Construction: Strong base unit with 20mm and 25mm knockouts to accommodate flexible conduit in commercial installations.
- Impact-Resistant Frame & Lid: Polycarbonate lid (RAL7031) with galvanised insert for added strength—designed for carpeted floors only.
- Compact Installation: Requires a 303 x 221mm floor cut-out, with 76mm box depth and 25mm plug top clearance for standard accessories.
- High Load Ratings: ABS frame/lid tested to 550kg and steel frame/lid up to 740kg, suitable for moderate traffic environments.
- Flexible Accessory Options: Accepts 185 x 89mm plates and supports triple socket plates, clean earth sockets, and colour-matched accessories (RAL7035).
Technical Specification
- Material: Galvanised steel box, polycarbonate frame & lid
- Knockouts: 20mm & 25mm
- Cut-Out Size: 303 x 221mm
- Overall Frame Size: 313 x 230mm
- Box Depth: 76mm
- Plug Top Clearance: 25mm*
- Lid Recess Depth: 6mm
- Accessory Plate Size: 185 x 89mm
- Load Rating: 550kg (ABS lid), 740kg (steel lid)
- Suitable For: Carpeted floors only
✅ Choose this 3-compartment galvanised floor box for fast, secure, and versatile underfloor power and data distribution in commercial environments!
Note: Not suitable for use with ST0286 & ST0287 accessory plates. For RCD sockets, use TFB3/80 or a deeper floor box model.
Product | Floor Box |
Type | Three Compartment |
Colour | Galvanised |
Length | 303 mm |
Material | Steel |
Finish | Galvanised |
Height | 76 mm |
Nominal Width | 212 mm |
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.