



Marshall Tufflex 3MRB4BK Black Circular Angle Conduit Box (2 Way) 25mm
3MRB4BK
Marshall Tufflex 3MRB4BK Circular Angle Conduit Box – 2 Way, 25mm, Black PVC for Corner Installations
The Marshall Tufflex 3MRB4BK Circular Angle Conduit Box is purpose-built for 90° corner junctions in 25mm conduit systems. Crafted from durable black PVC and engineered for performance, it offers a dependable solution for turning conduit runs neatly and securely.
- 2-Way Angle Configuration: Designed for right-angle connections in conduit layouts, perfect for changes in direction.
- Hard-Wearing PVC Construction: Black PVC body ensures strength and reliability in both commercial and industrial environments.
- Secure Fixing System: Fitted with M4 brass inserts and 50.8mm fixing centres for firm and long-lasting mounting.
- Plain Bored Entry Points: Smooth, unthreaded holes for quick and efficient conduit installation.
- System Compatible: Fully integrates with other Marshall Tufflex conduit and cable management components.
Technical Specification
- Material: PVC
- Colour: Black
- Entry Type: 2-way angle (90°)
- Conduit Size: 25mm
- Fixing Centres: 50.8mm with M4 brass inserts
✅ Use the Marshall Tufflex 3MRB4BK for professional-grade corner connections in your conduit installations!

Ean Code | 5020837241761 |
Product | Round PVC Terminal Box |
Type | Angle |
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 |
Angle | 90 Degree |
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.