Discreet Internal Cable 12F G657B3 2mm – Cca White – Bare – 200m
The MDU Discreet Internal Cable 12F G657B3 2mm – Cca White – Bare – 200m is a high-performance fibre cable designed for discreet internal routing within multi-dwelling units (MDUs). Supplied on a 200 metre reel, it is ideal for large-scale installations requiring continuous cable runs across corridors, risers and internal building pathways.
Manufactured using G.657B3 bend-insensitive fibre, this cable provides excellent flexibility with minimal bending loss, making it suitable for tight routing environments and confined spaces. Its compact 2–3mm profile ensures a low-visibility installation while maintaining high optical performance.
The cable features a FR-LSZH (Flame Retardant Low Smoke Zero Halogen) outer sheath and water-blocking aramid yarn reinforcement, delivering durability, fire safety compliance and suitability for both indoor and limited external routing.
Supplied as a bare cable (unterminated), it offers maximum flexibility for on-site termination, making it ideal for bespoke network builds and high-volume deployments.
Key Features:
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12 fibre (12F) G.657B3 bend-insensitive cable
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200 metre reel for extended installations
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Slim 2–3mm diameter for discreet routing
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Bare cable for custom termination
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FR-LSZH outer sheath for fire-safe installations
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Aramid yarn reinforcement for strength and durability
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Suitable for indoor and limited outdoor use
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CPR Cca compliant
Technical Specifications:
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Product Type: Internal fibre cable
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Fibre Type: G.657B3 singlemode
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Fibre Count: 12F
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Length: 200 m
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Cable Diameter: Approx. 3.0 mm ±0.1 mm
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Outer Sheath: FR-LSZH (Low Smoke Zero Halogen)
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Colour: White
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Strength Member: Aramid yarns (water-blocking)
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CPR Rating: Cca s1b d1 a2
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Installation Temperature: -10°C to +65°C
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Operating Temperature: -40°C to +70°C
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Minimum Bend Radius: 15D (static), 30D (dynamic)
Applications:
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MDU corridor and riser installations
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Discreet internal fibre routing
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Large-scale FTTH and FTTx deployments
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Building entry and distribution networks
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Custom fibre terminations and network builds
