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Astro Blazetrap® Rapid Outlet Box System (ROBS)

Astro Blazetrap® Rapid Outlet Box System (ROBS) CE Marked  Fire Resistant Electrical Back Box - ROBS Intumescent System

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Brand New Astro Blazetrap® Rapid Outlet Box System (ROBS)
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New Astro Blazetrap® Rapid Outlet Box System (ROBS 1 and 2)

New Astro Blazetrap® Rapid Outlet Box System (ROBS 1 and 2)
New Astro Blazetrap® Single Rapid Outlet Box System (ROBS 1)
New Astro Blazetrap® Single Intumescent Box Insert ROBS 1 Intumescent System
New Astro Blazetrap® Single Intumescent Box Insert ROBS 1 Intumescent System
New Astro Blazetrap® Double Rapid Outlet Box System (ROBS 2)
Brand New Astro Blazetrap® Double Stainless Steel Electrical Back Box (ROBS 1)
New Astro Blazetrap® Double Intumescent Box Insert ROBS 2 Intumescent System
Download any of the following data sheets:

Product Data Sheet

Safety Data Sheet

Install Video

DoP Astro Blazetrap® (ROBS)

CoC Astro Blazetrap® (ROBS)

Astro Blazetrap® (ROBS) TDS

Astro Blazetrap® (ROBS) ETA

KEY: CE Marked Documents
CE Information DoP's are Declaration of Performance
CoC's are Certificate of Constancy of Performance
ETA's are European Technical Assessment Sheet


Product Features
  • Brand New CE Marked electrical back boxes.
  • Unique injection moulded intumescent box insert (ROBS Intumescent System) is the first in the UK and Europe.
  • Noncorrosive stainless steel back box outer.
  • Manufactured in the Great Britain.
  • Free of organic solvents and releases no Volatile organic compounds (VOC)’s which have been known to have adverse health effects in fires.
  • Halogen free.
  • No galvanized or painted coatings, preventing zinc and harmful fume inhalation during fires.
  • Tested in accordance with BS EN 1366-3: 2021.
  • Tested for Insulated and Non Insulated walls.
  • Tested for back to back installation.
  • Tested for Timber or metal stud walls construction.
  • Fire rating 30, 60, 90, 120 minutes.
  • Acoustic Tested BS EN ISO 10140 – 2: 2010 to 67dB
  • Quick and simple to install.
  • Integrated pushout box fixings suitable for plasterboards 12.5 – 30mm thicknesses.
  • Rear, Top and Bottom cable entry. Excepts 20-25mm fire protection glands.
  • Completed fire stop system.
  • Full product traceability.
  • Patented technology and Trade Marked.
  • National Winner of the Constructing Excellence Awards 2024.
To Order & Specify

Please contact us and quote the following information:
Please quote - Quantity | Trade name | Product Ref | Size
Typical wording - 10 | Astro Blazetrap® ROBS 2 Double Gang Electrical Back Box | AFROBS2 | 134mm x 74mm x 50mm

Telephone:

Email:

For in-stock items orders received before 2pm (Monday-Friday) are generally dispatched for delivery on the following working day (Monday-Friday).

Description

Astro Blazetrap® Rapid Outlet Box System (ROBS) is a groundbreaking Passive Fire Protection product, recently winning the UK Construction Excellence National Award for Innovation.

Advanced Fire Protection: Many current electrical back boxes are designed only for electrical connections with little fire protection. Astro Blazetrap® ROBS addresses this with a Stainless Steel Electrical Back Box featuring a unique injection-moulded Intumescent insert (ROBS Intumescent System) made from high-quality exfoliated graphite.

Innovative Technology: The ROBS Intumescent System reacts when exposed to fire, forming a solid char around cables, thus insulating the substrate, thereby starving the fire of essential elements for combustion and preventing the passage of fire from one compartment to another. This technology is patented and trademarked.

Complete System: No separate box outers needed, eliminating the risk of incorrect sizes, depths, and materials.

Ease of Installation: Integrated pushout fixing tabs, quick installation of the ROBS intumescent System, no sealants or supporting brackets needed, one size, Astro Blazetrap® ROBS fits all cavity wall depths.

Cost Efficiency: Reduces installation costs, requires zero maintenance, and offers a longer product lifespan.

Traceability: Full product traceability from manufacture to end user and back again.

Product Specifications: ROBS 1 Single Gang Box: 74x74x50mm and ROBS 2 Double Gang Box: 134x74x50mm.

Liability Reduction: The Astro Blazetrap® Rapid Outlet Box System (ROBS) significantly reduces liability risks associated with electrical installations as well as different trade use installations. Unlike alternative products on the market, such as Putty pads, which require separate purchases from different suppliers and may not be fire-rated or tested together, Astro Blazetrap® offers a complete, tested system. This comprehensive solution ensures enhanced fire protection and compliance with safety standards, providing peace of mind for specifiers, design engineers, architects, installation contractors, main contractors, development owners, and residents. The liability is effectively omitted, eliminating risks associated with incomplete or untested systems.

Experience the future of Passive Fire Protection with Astro Blazetrap® ROBS. Ensure safety and compliance with this cutting-edge solution.

Technical Data
ROBS Outer 430 Stainless Steel
Heat Resistance 815c in continuous service
Corrosion Resistance to acid/moisture
ROBS Intumescent System Insert Halogen-free based on expandable graphite
Material Structure Injection Moulded
Liner Thickness 0.5-2mm
Start of Reaction From ca. 175°C
Expansion Ratio Ca. 16 times
Expansion Pressure Ca. 0.45
(N/mm2) Colour Anthracite grey
Fire Tested Fire Tested: BS EN 1366-3: 2021
Fire tested for insulated & non insulated walls BS1366-3: 2021
Acoustic Tested BS EN ISO 10140-2:2010
Product Sizes Astro Blazetrap® ROBS 1 Single Gang Electrical Back Box: 74x74x50mm.
Astro Blazetrap® ROBS 2 Double Gang Electrical Back Box: 134x74x50mm.
Electrical Fittings Allows for 20mm and 25mm fire shield gland fittings
Rear, Top and Bottom cable entry
Integrated box fixings suitable for plasterboards 12.5 – 30mm thicknesses

Fire Protection Certification Logos
2821
Blaze Trap Ltd Unit 29 Penraevons Light Industrial Estate, Jackson Road, Leeds, West Yorkshire, LS7 2AP
CE 2821-CPR-0343
BS EN 1366-3: 2021
Astro Blazetrap® Rapid Outlet Box System (ROBS 1 & 2)
For fire compartmentation and / or fire protection or performance
Essential Characteristics Performance/Harmonized Technical Specification
Reaction to Fire Class E according to EN13051-1
Resistance to Fire Resistance to fire performance & field of application in accordance with EN13501-2 See ETA 25/0262 clause - Annex A
Dangerous Substances See ETA 25/0262 Clause 1
Service & Durability Type: X Intended for use in conditions exposed to weathering in accordance with EOTA technical documents TR024
Acoustic BS EN ISO 10140 – 2: 2010
Other Not applicable/No performance determined
Product Availability

ROBS 1 Single Gang Box: 74x74x50mm and ROBS 2 Double Gang Box: 134x74x50mm

Product Code Description Size
AFROBS1 Astro Blazetrap® ROBS 1 Single Gang Electrical Back Box 74x74x50mm
AFROBS2 Astro Blazetrap® ROBS 2 Double Gang Electrical Back Box 134x74x50mm
To Order & Specify

Please contact us and quote the following information:
Please quote - Quantity | Trade name | Product Ref | Size
Typical wording - 10 | Astro Blazetrap® ROBS 2 Double Gang Electrical Back Box | AFROBS2 | 134mm x 74mm x 50mm

For in-stock items orders received before 2pm (Monday-Friday) are generally dispatched for delivery on the following working day (Monday-Friday).

Installation

We have technical representatives who provide assistance in the selection and specification of the products on this site and should be consulted for exact installation and product suitability. Ensure an early engagement with ourselves, designers, main contractor and specialist installers before any installation. Other trades and/or manufacturers may need to be consulted. For in-depth information, specification and technical advice please call our Head Office on:

Telephone: +44 (0)1329 844 500 Email: sales@astroflame.com

Maintenance

All interested parties, designer, specifier, main contractor and specialist installers should provide access to allow the fire stopping seals to be regularly inspected and maintained, as well as records kept of such maintenance at minimum periods of 12 months, as required by the Regulatory Reform Order, and repaired if necessary. Reference should be made to ASFP TGD 17 – Code of Practice for the Installation and Inspection of Fire Stopping.

Competency

It is vital that those entrusted to design or install a fire stopping product have the necessary levels of competence to undertake the task professionally and thoroughly. The level of competency required will be commensurate with the expected complexity of the building. All designers must eliminate, reduce or control foreseeable risks that may arise during installation, construction or maintenance when preparing or modifying designs. Clients should ensure that the principal designer and principal contractor carry out their duties under CDM regulations. The ASFP foundation course in passive fire protection provides essential knowledge as part of demonstrating competency and understanding in this key fire protection specialism.

Additional Notes

Please refer to the ETA sheet for fields of application for this product. For further information on installation requirements please refer to the duct manufacturer data and wall specification to ensure the compatibility of this product, if in doubt please contact the technical team with services and wall specification on:

Telephone: +44 (0)1329 844 500 Email: sales@astroflame.com

Health and Safety

The product does not present any known health hazards during or after installation. Normal good industrial and personal hygiene practices should be observed. For further information on health and safety requirements please contact the technical team on:

Telephone: +44 (0)1329 844 500 Email: sales@astroflame.com

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Web Page Last Modified: 04/11/2025 12:08:52