Armoured SWA
Heavy-duty steel wire armour.
Steel wire armoured (SWA) fibre cable gives the highest level of mechanical and rodent protection for direct burial and exposed routes without additional ducting.

At a glance
| Specification | Value |
|---|---|
| Format | Loose tube, SWA armoured |
| Fibre count | 12 – 288 F |
| Burial | Direct burial, no duct |
| Sheath | PE outer |
- UK WarehousedSame-week dispatch
- In-house engineersTechnical specs & support
- End-to-end BOM fulfilmentKitted, staged, delivered
- 120+ network buildersTrust Altnets to deliver
Key features
Built for how it gets installed.
Armoured SWA is one of the 13 cable types we carry across our Fibre Cable range — chosen for the way you actually deploy.
Steel wire armour construction
High crush and tensile rating
Direct burial without duct
LSZH and PE sheath options
Why Altnets
The clever choice for network builders.
Deep UK stock
300,000+ sqft of warehousing and 4,000+ pallet positions — same-week dispatch on most line items.
Engineers, not order-takers
In-house technical team to validate specs, propose alternatives and de-risk your build before it ships.
BOM, kitted & staged
Multi-vendor consolidation, phased deliveries and project staging built into every order.
UK & worldwide reach
Air, sea and road freight with full export documentation and flexible incoterms for global rollouts.
Applications
Where armoured swa earns its keep.
Direct buried routes
Substations and plant
Industrial and mining
Rail and highways
Have a question?
Let's get your network moving.
Tell us what you're building. We'll come back with a quote, lead times, and a plan.
- [email protected]
- +44 (0) 20 3997 8994
- Brighton · United Kingdom
More Fibre Cable
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Duct Grade
Built for pulling into duct.

MDU Cable
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Armoured CST
Corrugated steel armour protection.

Air Blown Fibre
Fibre blown in, when you need it.
Ribbon Cable
Mass fusion, ultra-high count.

Universal Loose Tube
The all-round loose tube build.

Tight Buffered Cable
Robust internal fibre cable.
COF Cables
Central optical fibre construction.
NGTS Cables
Cables to the NGTS specification.

Unterminated Drop Cable
Drop cable, terminate on site.