



Marshall Tufflex 3MRB2BK Black Circular Terminal Conduit Box (1 Way) 25mm
3MRB2BK
Marshall Tufflex 3MRB2BK Circular Terminal Conduit Box – 1 Way, 25mm, Durable Black PVC for Secure Cable Termination
The Marshall Tufflex 3MRB2BK Circular Terminal Conduit Box provides a dependable solution for terminating 25mm conduit systems. Made from high-quality black PVC, this 1-way box is ideal for professional electrical installations requiring robust and clean cable management.
- 1-Way Terminal Configuration: Designed for single-entry conduit terminations, ideal for end-of-line applications.
- Durable PVC Housing: Manufactured from strong black PVC for resilience in commercial and industrial environments.
- Reliable Fixing Points: Features 50.8mm fixing centres with M4 brass inserts for secure, consistent mounting.
- Plain Bored Entry: Smooth, unthreaded entry points allow fast and simple conduit installation.
- Trusted British Quality: Part of the Marshall Tufflex cable management range known for reliability and performance.
Technical Specification
- Material: PVC
- Colour: Black
- Entry Type: 1-way terminal
- Conduit Size: 25mm
- Fixing Centres: 50.8mm with M4 brass inserts
✅ Count on the Marshall Tufflex 3MRB2BK for a clean, professional finish to your conduit installation!

Ean Code | 5020837241655 |
Product | Round PVC Terminal Box |
Type | Terminal |
Colour | Black |
Diameter | 25 mm |
Mounting | Surface |
Material | PVC-U |
Standards | BS 7671 BS EN 61386 |
Qualifier | Plastic |
Ce Approved | N |
Fixings Included | N |
Nominal Width | 25 mm |
Included Fixings | N |
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.