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Melba Swintex  ·  SKU: 005022

Defender50 50mph Crash Tested Water Filled Barrier

Defender50 water filled barrier, crash tested at 50mph with fence panels to BS EN 1317 N1. 400L ballast, 138 degree articulation, UK made.

£374.99 each, ex VAT
£449.99 inc VAT
Ships in 2 to 5 working days

Colour: 100% Red
Buy more, pay less Per unit, ex VAT. Applied automatically.
Ships in 2 to 5 working days

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  • Made in the UK
  • Next Day Delivery Available

  • Pay in 30 days with a Trade Account. No fees.
  • UK stock. Stock and lead time are shown above.
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Frequently purchased with

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DoubleTop Barrier Fencing PanelBarriers 1 £33.33 £33.33 each
Mini DoubleTop Barrier Fencing Panels - Traffic BarriersBarriers 1 £28.99 £28.99 each

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Why it works

Crash tested, site ready

Crash tested at 50mph

Tested to BS EN 1317 containment level N1 with fence panels fitted - no breach, no rollover.

Strong steel interlock

Each barrier joins the next with a steel tube, two heavy-duty metal plates and 12 bolts, all included.

Fast fill and drain

A top-fill cap takes on 400 litres of water ballast and a sump plug empties it for the next move.

Reflective fence tops

Crash tested with DoubleTop and Mini DoubleTop panels, whose reflective spindles and strips keep the line visible.

100% recyclable polymer

Moulded from UV-stable polymer that resists weathering and is fully recyclable at end of life.

Made in the UK

Manufactured by Melba Swintex, with logo embossing and custom colours to order.
Overview

Defender50 Water Filled Barrier - Overview

The Defender50 is a heavy-duty water filled barrier crash tested at 50mph (81.3km/h) with fence panels fitted, to BS EN 1317 containment level N1. Made in the UK by Melba Swintex from UV-stable, 100% recyclable polymer, each unit holds 400 litres of ballast and interlocks with the next through a steel tube and two heavy-duty metal plates.
50mph
Crash tested speed
400litres
Ballast capacity
2295mm
Length per unit
40kg
Empty weight
Dimensions
Height800mm
Width2295mm
Depth350mm
Weight (empty)40kg
Ballast capacity400 litres
Details
MaterialUV-stable polymer, 100% recyclable
Colours100% red, 100% white, or 50% red and 50% white
ConnectionSteel joining tube, two metal plates, 12 bolts (included)
Crash testBS EN 1317 containment level N1 - 50mph with fence panels
Articulation138° between units
Coverage48 barriers per 100 metres
Fence topsDoubleTop, Mini DoubleTop or mesh - 2 panels per barrier
OriginMade in the UK by Melba Swintex
In use

Where the Defender50 works

The Defender50 holds a protective line wherever vehicles and people share space.

  • Roadworks and highways where vehicle containment is required
  • Construction site perimeters and compounds
  • Separating pedestrians from live traffic
  • Utilities works on and beside the carriageway
  • Events and public spaces that need a physical barrier line

Frequently asked questions

Is the Defender50 really crash tested with fence panels fitted?

Yes. The barrier with integrated fencing was tested at 81.3km/h (50.51mph) to BS EN 1317 containment level N1. The vehicle did not breach the system, stayed on the correct side and within the CEN box, and did not roll.

How do the barriers connect together?

Each barrier comes with one steel joining tube, two heavy-duty metal plates and 12 bolts. The plates and tube lock adjacent units into a continuous interlocked line, with 138° of articulation for curves.

How many barriers do I need for 100 metres?

48 barriers cover 100 metres. Each unit is 2295mm wide, 800mm high and 350mm deep.

How do I fill and empty them?

Fill through the top-fill cap - each unit takes up to 400 litres of water. A sump plug drains the barrier for moving, and forklift entry points make repositioning straightforward. The empty weight is 40kg.

Which fence tops fit the Defender50?

The DoubleTop, with full-height hi-vis reflective spindles, and the Mini DoubleTop, a Chapter 8 compliant panel with reflective strips and a Hook and Eye connection. Mesh metal fencing tops also fit. Allow two panels per barrier.

What colours are available?

100% red, 100% white, or a 50% red and 50% white mix as standard. Custom colours and logo embossing are available on request.

How quickly can I get them?

Defender50 barriers are dispatched in 2-5 working days. Ask about trade-account pricing for bulk and framework orders.

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Our teams are available on 0161 706 0479

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