20/02/2026

MDU - S3 with SC-B trays
Art.-No. 857-01484 | MDU-S3-XXN

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  • UV stable enclosure with IP54 (NEMA 3S) sealing and IK08 impact rating for long-term outdoor performance.
  • Multiple input/output points to run to multiple locations from one box.
  • Supports cabled, blown, pushed and pulled fiber deployments to accommodate any construction style.
Application Designed for deployment within the last mile of the FTTx network. This enclosure can be used within a Point to Point (P2P) or Point to Multi Point (P2MP) with the addition of PLC splitters, connectorised or bare end, pigtails and adaptors.
Color Gray RAL 7035 (7035)
Content S3 Enclosure
250µm IR Fiber Management System
8 SC-B IR Trays
3 x Entry/Exit Port Blanks
Cable Anchor
In-built spirit level
Fibre Picker
Wall Mounting Kit
Red and Green Polyspiral Tubing(2M)
Description The S3 enclosure is designed for wall-mounted distribution, configured with the HellermannTyton 250µm IR Management System. The management system accommodates four splice trays giving a maximum of 48 heat shrink splices and 3 PLC splitters. The position of the fiber management system allows easy access for the routing of fiber to the trays. Fiber slot retaining blocks guide the fiber elements on to the IR system; the foam pad on the retainer is partially cut through to accommodate a range of fiber counts. Designed with seven input/output ports; three across the bottom, two on top and one on each side; each port will accommodate a 20 mm cable gland.
PART DESCRIPTION MDU-S3-XXN
Packaging Type EA
Part No. MDUS3-B2SP
Product family S3 Enclosures
Short Desc. S3 Splice Enclosure with Cable Storage Basket, 4x SC-B Splice Trays, Wall Mounted, Gray, 1/pkg
Splice Capacity 96
Technical Description The S3 enclosure is configured with the HellermannTyton 250µm IR Management System. The management system accommodates 8 SC-B IR trays giving a maximum of 96 3A fibre splices and 3 PLC splitters. The position of the fibre management system allows for easy access for the routing of fibre on to the trays. The trays and fibre optic routing modules are white which makes it easy to see the colour of the fibre elements as they are routed through the positive fibre management system. Fibre slot retaining blocks guide the fibre elements on to the IR system; the foam pad on the retainer is partially cut through to accommodate a range of fibre counts.
All IR system cover plates are coloured blue identifying them as removable parts allowing access to the fibre, the fibre retaining block and tray retaining clips are coloured red to aid in identification if they are dropped.

The enclosure is 340 x 247 x 76mm (H x W x D) and manufactured in light grey (RAL 7035), UV stable ABS (Acrylonitrile Butadiene Styrene) and has an IP54, IK08 and V0 rating.
Designed with 7 input/output ports, 3 across the bottom, 2 on the top and 1 on each side, each port will accommodate a 20mm cable gland.
A 100 x 25mm inset position on the front cover allows for a customer logo to be moulded in to the enclosure.
Type MDU-S3-XXN
Depth (imperial) 2.99"
Depth (metric) 76mm
Height (imperial) 13.39"
Height (metric) 340mm
Port Count 7
Width (imperial) 9.72"
Width (metric) 247mm
IP-Rating IP54
Material ABS
Material Acrylonitrile Butadiene Styrene (ABS)
REACH Conformity Yes
ROHS compliant Yes
Customs Number (Schedule B) 9030400000
Pkg. Qty. 1EA
Pkg. Qty. 1
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