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Product

ICEA S-83-596 OFNR-144F Tight-Buffered ICEA S-83-596 / ANSI/TIA-568 / ULAll-Dielectric Optical−20…+70 °C

144-Fiber Multi-Subunit Tight-Buffered Riser Distribution FiberICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR · All-Dielectric Optical · -20 °C to +70 °C

144-core optical Multi-Subunit Tight-Buffered Riser Distribution Fiber Optic Cable (OFNR-144F Tight-Buffered Distribution) engineered to ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR for All-Dielectric Optical service across -20 °C to +70 °C, featuring dielectric

Approved

Flame-retardant

Oil-resistant

Configuration

Order designation: OFNR-144F Tight-Buffered Distribution 4×2×1.0
Outer Ø ≈: 13.5 mm
Total weight ≈: 264 kg/km
Min. bend R (fixed): 108 mm
Configuration: 4×2×1.0 mm²

All sizes (12)

Request a quote Datasheet WhatsApp info@tebaoflex.com

Engineering reply in 2 business hoursCut-to-length export drumsEN 10204 3.1 certificate per drum

Rated voltage: All-Dielectric
Operating temp.: −20…+70 °C
Min. bend radius: 10 × OD
Conductor: Dielectric
Outer layer: Flame-retardant
Standard: ICEA S-83-596

Typical values for this cable type, based on ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR — confirmed in the datasheet and quotation for your order.

Application fit

Is OFNR-144F Tight-Buffered Distribution right for your machine?

Fixed installation

Suitable

Engineered and verified for fixed service in accordance with ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR.

Free-hanging vertical run

Suitable

Engineered and verified for hanging service in accordance with ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR.

Switchgear & control cabinet wiring

Suitable

Suitable for switchgear, control panels and equipment terminations within 10 × OD bend radius.

TBM gantry & advancing tunnel reel

With conditions

Use mechanical conduit or armoured protection where exposed to rock fall or crushing loads.

Typical machinesBuilding & Fire SafetyCommercial & Residential Building DistributionData Centers & Public InfrastructureFire-Safe Evacuation & Riser ShaftsIndustrial Plant Balance-of-Plant WiringAutomated Assembly & Packaging Lines

Construction

Layer by layer

Shown: OFNR-144F Tight-Buffered Distribution (ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR) with dielectric strength rod, central element polymer jacket core insulation and flame-retardant outer jacket (6-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Dielectric strength rod	Dielectric strength rod assembly per ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNRICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR
2	Central element polymer jacket core insulation	Extruded Central element polymer jacket dielectric (individual core / group layer)ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR
3	Dielectric strength yarns	Extruded Dielectric strength yarns dielectric (individual core / group layer)ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR
4	Flame-retardant subunit jacket	Extruded Flame-retardant subunit jacket protective layer (individual core / group layer)ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR
5	Dielectric strength elements	Dielectric strength elements high-coverage braided layer (woven structure)ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR
6	Flame-retardant outer jacket	Extruded Flame-retardant outer jacket protective layer (continuous layer)ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR

OFNR-144F Tight-Buffered Distribution — Standard Execution

Built to ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR with dielectric strength rod and flame-retardant outer

OFNR-144F Tight-Buffered Distribution — Custom Cross-Sections

Full range of metric mm² and AWG/kcmil conductor sizes per ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR

OFNR-144F Tight-Buffered Distribution — Export Drum Supply

Supplied with EN 10204 3.1 routine dielectric & conductor resistance test certificate

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / duty: All-Dielectric Optical (ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR)
Conductor construction: Dielectric strength rod — Dielectric strength rod assembly per ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR
Primary insulation / dielectric: Central element polymer jacket core insulation — Extruded Central element polymer jacket dielectric (individual core / group layer)

Thermal

Continuous operating temperature: −20…+70 °C per ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR
Short-circuit / peak thermal limit: +160 °C to +250 °C (5 s adiabatic limit depending on dielectric class)
Minimum installation temperature: −5 °C (thermoplastic) / −25 °C (cross-linked or elastomer) / −40 °C (metallic)

Mechanical

Outer protection / covering: Flame-retardant outer jacket — Extruded Flame-retardant outer jacket protective layer (continuous layer)
Minimum bending radius: 10 × OD (installed / static routing)
Layer count & geometry: 6 concentric/structural layers verified by cross-section inspection

Resistance

Environmental & chemical durability: Engineered for industrial service in accordance with ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing product standard: ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: OFNR-144F Tight-Buffered Distribution
Customs tariff (HS): 8544.49 / 8544.60 / 7614.10

Sizes

12 standard OFNR-144F Tight-Buffered Distribution cable configurations

Manufactured to ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR in single-pair, multi-pair and multi-unit constructions.

Dimensions, construction & weights
Order designation	Configuration	Outer Ø ≈ mm	Weight ≈ kg/km	Min. bend R fixed mm
OFNR-144F Tight-Buffered Distribution Standard Construction Schedule (All-Dielectric Optical · −20…+70 °C)
OFNR-144F Tight-Buffered Distribution 1×2×0.5	1×2×0.5 mm²	6.4	58	52
OFNR-144F Tight-Buffered Distribution 2×2×0.5	2×2×0.5 mm²	9.2	112	74
OFNR-144F Tight-Buffered Distribution 4×2×0.5	4×2×0.5 mm²	11.4	176	92
OFNR-144F Tight-Buffered Distribution 8×2×0.5	8×2×0.5 mm²	14.8	295	118
OFNR-144F Tight-Buffered Distribution 12×2×0.5	12×2×0.5 mm²	17.6	420	141
OFNR-144F Tight-Buffered Distribution 1×2×1.0	1×2×1.0 mm²	7.6	86	61
OFNR-144F Tight-Buffered Distribution 2×2×1.0	2×2×1.0 mm²	11.0	168	88
OFNR-144F Tight-Buffered Distribution 4×2×1.0	4×2×1.0 mm²	13.5	264	108
OFNR-144F Tight-Buffered Distribution 8×2×1.0	8×2×1.0 mm²	17.9	465	143
OFNR-144F Tight-Buffered Distribution 1×2×1.5	1×2×1.5 mm²	8.5	114	68
OFNR-144F Tight-Buffered Distribution 4×2×1.5	4×2×1.5 mm²	15.2	348	122
OFNR-144F Tight-Buffered Distribution 12×2×1.5	12×2×1.5 mm²	23.4	860	187

Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
Additional pair/triad/quad counts (up to 48 pairs) and blue Ex-i intrinsically safe outer sheaths available per ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR.

Electrical parameters by conductor cross-section
Conductor size	Max. DC R₂₀ Ω/km	Mutual cap. ≈ nF/km	Inductance ≈ mH/km
0.50 mm² (7/0.30 mm · AWG 20)	39.00	115	0.65
0.75 mm² (7/0.37 mm · AWG 18)	26.00	120	0.62
1.00 mm² (7/0.43 mm · AWG 17)	19.50	125	0.60
1.50 mm² (7/0.53 mm · AWG 16)	13.30	135	0.58
2.50 mm² (7/0.67 mm · AWG 14)	7.98	145	0.55

L/R ratio ≤ 25 µH/Ω (0.5–1.0 mm²) and ≤ 40 µH/Ω (1.5 mm²) for intrinsically safe Ex-i circuits.

Quality & approvals

Testing & inspection

Routine tests on every production length, sample and type tests per batch — documented on an EN 10204 3.1 inspection certificate.

ConductorClass 5 stranding
Spark test100 % in-line
Lay-upCores, earth, fillers
SheathingInner, braid / screen, outer
Electrical testsAC voltage, resistance
DimensionsOD, wall thickness
Inspection documents & dispatchDrum & dispatch

Testing & inspection	Test value / reference	Frequency
Routine tests
Conductor DC resistance & dimensional verification (ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR)	DC resistance at 20 °C and geometry within ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR class limits	Every manufactured drum / spool
Routine dielectric / spark / structural integrity test (ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR)	Zero breakdown or structural defect over full production length	Every manufactured drum / spool
Sample tests
Thermal aging, mechanical & material qualification (ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR)	Full compliance with ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR across −20…+70 °C	Type qualification & periodic sample audit

Inspection certificate

Issued with every drum, listing the routine test results for that length.

Product approvals

ICEA S-83-596 CompliantEN 10204 3.1 Routine Test CertificateCE, RoHS 2 (2011/65/EU) & REACH

Company certificates

ISO 9001ISO 14001ISO 45001VDE marks approvalUL / cULCE · LVD / EMC

Marking & supply

Ordering & delivery

Sheath marking

TEBAOFLEX OFNR-144F Tight-Buffered Distribution <size> ICEA S-83-596 All-Dielectric Optical CE

Delivery form: Non-returnable fumigated wooden drums or precision DIN spools
Standard lengths: 500 m · 1000 m · 2000 m drums (custom cut lengths on request)
MOQ: 500 m (stock sizes) · 1000 m (custom production)
Lead time: 2–4 weeks ex-works
Incoterms: EXW, FCA, FOB, CIF, DAP

Technical documents

Downloads

PDF144-Fiber Multi-Subunit Tight-Buffered Riser Distribution Fiber – technical datasheet12 sizes · construction, technical data, approvals XLSXOFNR-144F Tight-Buffered Distribution spec data (Excel)All 12 sizes with dimensions and data, for your BOM or quotation

Revision: 2026-10-21
Updated: 2026-10-21

FAQ

Questions engineers ask first

Not covered here? Send your drawing — an engineer replies within 2 business hours.

What governing standard and construction define OFNR-144F Tight-Buffered Distribution (144-core optical Multi-Subunit Tight-Buffered Riser Distribution Fiber Optic Cable)?

OFNR-144F Tight-Buffered Distribution (144-core optical Multi-Subunit Tight-Buffered Riser Distribution Fiber Optic Cable) is manufactured in accordance with ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR for All-Dielectric Optical service over -20 °C to +70 °C. Its 6-layer construction comprises dielectric strength rod, central element polymer jacket core insulation, dielectric strength yarns, flame-retardant subunit jacket, dielectric strength elements, flame-retardant outer jacket.

What is the minimum bending radius and installation temperature for OFNR-144F Tight-Buffered Distribution?

The minimum installed bending radius for OFNR-144F Tight-Buffered Distribution is 10 × OD across its continuous operating temperature range of -20 °C to +70 °C, ensuring mechanical and dielectric stability without conductor or insulation strain.

How are the concentric layers of OFNR-144F Tight-Buffered Distribution arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Dielectric strength rod (Dielectric strength rod assembly per ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR); (02) Central element polymer jacket core insulation (Extruded Central element polymer jacket dielectric (individual core / group layer)); (03) Dielectric strength yarns (Extruded Dielectric strength yarns dielectric (individual core / group layer)); (04) Flame-retardant subunit jacket (Extruded Flame-retardant subunit jacket protective layer (individual core / group layer)); (05) Dielectric strength elements (Dielectric strength elements high-coverage braided layer (woven structure)); (06) Flame-retardant outer jacket (Extruded Flame-retardant outer jacket protective layer (continuous layer)).

What factory test certificates are supplied with OFNR-144F Tight-Buffered Distribution?

Every production drum or spool of OFNR-144F Tight-Buffered Distribution undergoes routine conductor DC resistance, dimensional and dielectric/integrity testing per ICEA S-83-596 / ANSI/TIA-568 / UL 1666 OFNR, and is delivered with an EN 10204 3.1 factory test certificate.

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01Selected sizes

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02Reel & motion

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Reel typeDrum core diameter (mm)Cable length on drum (m)Travel speed (m/min)Max. accelerationCycles per hourLength and quantityAmbient temperatureExposure (outdoor, water, oil, abrasion)Destination countryEquipment and operating conditions

03Message for our engineers

OFNR-144F Tight-Buffered Distribution 144-Fiber Multi-Subunit Tight-Buffered Riser Distribution Fiber

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Reel & motion:
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