Thorne & Derrick - Fibre Optic FO Splice Trays & Junction Boxes for Offshore Wind Farms
Posted on 13 January 2023
The Fibre Optic Junction Boxes series of hazardous area terminal boxes, manufactured by Abtech and distributed by Thorne & Derrick is a range of fibre optic (FO) splice boxes designed for protection of optical fibre cable splices within hazardous areas with a particular focus on the Offshore Wind Sector.
Abtech’s Ex certified fibre management solution for hazardous areas provides protection for fibre optic cables on offshore wind farms. The FJC ensures the correct installation of optical cables and helps to reduce installation time.
- Holds up to 24 fibre cables
- Stackable (up to max. 8 trays)
- Fibre tray hinge maintains access to splices with stacked trays
- Cable delivery entries from all 4 sides
Splice Trays & Junction Boxes
Fibre Optic Splice Tray Data
| Splice Tray Reference | Application Type | Maximum Optical Power (mW) | Special Requirements |
| FJC24F | Safe Area | – | – |
| FJC24F-IS | Ex op is | 15 or 35* | – |
| FJC24F-PR | Ex op pr | 100 | Must be fitted with additional mechanical protection |
| FJC24F-SH | Ex op sh | 100 | For use with an Ex op sh interlocked supply |
* refer to enclosure certificate for more details.
Fibre Optic Splice Tray Specifications
| Product Type | Fibre Optic Splice Tray |
| Tray Material | ABS |
| Operating Temp Rating | -40°C to +60°C |
| Splice Type | Heat Shrink |
| Maximum Fibre Size | 900 μm |
| Maximum No. of Fibres | 24 |
| Tray Dimensions | 168 x 124 x 13mm |
| Tray Mounting | 2 x M4 clearance holes |
| Tray Weight | 81g |
| Certification | |
| Area Classification | Zone 1 & 2 Gas, Zone 0 Gas (Ex op is only) |
| Types of Protection | Ex op is (Inherently Safe Optical Radiation), Ex op pr (Protected Optical Radiation), Ex op sh (Optical System with Interlock) |
| Component Coding | Ex op is I/IIC Ga, Ex op pr IIC Gb, Ex op sh IIC Gb |
| Certificate Number | ATEX: CML 17ATEX9035U / IECEx: IECEx CML 17.0020U |
Splice Tray General Arrangement
Splice Tray Dimensions
Stainless Steel Mounting Frame
Ex op pr applications require mechanical protection of the splice tray and fibres, which is provided by use of a stainless steel mounting frame. An acrylic cover and cable trunking (if the enclosure size permits) add further protection.
The frame can also be used for safe area, Ex op is and Ex op sh applications. Frame dimensions shown below are typical and may vary depending on the application.
*Product design and specifications are subject to change without notice; please check the website for latest specifications.
SUPPLYING CABLE TERMINATION, JOINTING, PULL-IN & ELECTRICAL EQUIPMENT UP TO 66KV
Specialist Distributors to the UK and international Offshore Wind & Renewable industry to provide safe and reliable LV HV Electrical Cable & Power Distribution Systems up to 66kV – we are highly customer responsive and absolutely committed to providing a world-class service. Contact our UK Power Team for competitive quotations, fast delivery from stock and technical support or training on all LV-HV products.
