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08/01/2026

MDU S4 Splice Only with 12 Compact SE MKII 3A trays for 288 horizontal splices
Art.-No. 857-03128 | MDU-S4S-C07A1 | 

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MDU - S5S Splice Only closure.
MDU - S4 shown with lid and optional lock.
MDU - S4 with optional lock shown in front view.
MDU - S4 shown in side view.
MDU - S4S shown in base view.
MDU - S4S closure.

    • Maximum 288 Fibre Splices
    • Compact IR Fibre Management System (FMS)
    • 12 Compact SE Trays with 3A Splice Bridges
    • 4 FMS cable entry points
    • Fitted Loop Through Anchor Gland
    • Optional MDU Accessories
    • IP54/IK08
    • UV Stable / UL-94 V0 Rating
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    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) network with the addition of PLC splitters, connectorised or bare end, pigtails and adaptors.
    Colour Light Grey (LTGY)
    Content MDU S4 enclosure
    Central Compact IR Fibre Management Systems (FMS)
    4 x Fibre Retention Blocks / FMS Entry Points
    12 x Compact SE MKII Splice Trays fitted with 2 x 3A Splice Bridges
    1 x Loop Through Anchor Bracket
    1 x Cable Entry Seal Kit (3-14mm range)
    1 x Wall Mounting Kit
    PART DESCRIPTION MDU-S4S-C07A1
    Product Family Fibre Optic External/Internal Enclosure
    Product Group S4 Series MDU/MBU Enclosures
    Qty Trays 12
    Short Description MDU S4 Splice Only with 12 Compact SE MKII 3A trays for 288 horizontal splices
    Splice Capacity 288
    Technical Description The HellermannTyton S4 wall mountable enclosures are suitable for both internal and external applications and have been developed for use within the last mile of the FTTX network.

    The medium MDU enclosure is 470 x 307 x 147mm (H x W x D) and manufactured in light grey (RAL 7035), UV stable ABS (Acrylonitrile Butadiene Styrene) and has an IP54, IK08 and UL-94 V0 rating.
    The MDU S4 cover can be customised with a moulded or labelled customer logo.

    Designed with the compact HellermannTyton IR Fibre Management System (FMS), the S4 S (Splice only) accommodates 12 SE IR MKII splice trays giving a maximum of 288 3A fibre splices and 2 PLC splitters in tghe FMS block.
    A loop through anchor bracket is pre-fitted on the left port of the base. The dual outlet of the bracket allows for loop through applications. The black rubber seals cover a cable range of 3.0mm to 14.0mm.
    The position of the FMS in the centre allows for horizontal splices and 4 red retaining blocks for easier access of the fibre routing onto the trays.
    The 4 red retaining blocks guide the fibre elements onto the FMS and their foam pads can be cut through to accommodate a range of fibre counts.

    An extensive range of optional accessories is available upon request and include lock, multi-drop seals (24 x 5mm drops), M20 cable glands (up to 14mm), loop through anchor kit, drop cable anchor brackets, SC or coloured splice trays, splitter holders for trays, internal or external loop storage baskets.
    Type MDU-S4S-C07A1
    Variant Indoor/Outdoor FTTx Enclosures
    Depth (D) 147mm
    Height (H) 471mm
    Width (W) 307mm
    ROHS compliant Yes
    Specifications
    Country of Origin CN
    GTIN-13 / EAN 4031026792286
    ETIM 7.0 Key EC002067
    ETIM 8.0 Key EC002067
    ETIM 9.0 Key EC002067
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    Art.-No.: 857-03128 Contact
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