Tray, In+Outdoor, DN, OM3, 72f, Unitized, Sgl Jkt, Blk, CPE, OFNR, Oil Res 1/2
Tray Grade, Indoor/Outdoor, Distribution, OM3, 72 Fibers, Unitized (12f/unit) 900um, Single Jacket, Black, CPE, OFNR, Oil Res 1 & 2
- Availability
- Global
- Status
- Active
- Orderable items
- 1
Part numbers
TU-3DK-072-RN2 is a product family. Each item number below is a separate orderable part — colour, put-up and length differ.
| Item # | Color | Putup Type | UPC | Order |
|---|---|---|---|---|
| TU-3DK-072-RN2N | Black | Cut to Length | 612825485469 | Order online |
Specifications
Product Overview
| Product Category | Fiber Distribution Cable |
|---|---|
| Suitable Applications | Extended Distance Horizontal & Backbone Data/Telco Network, Noisy Environment, Indoor/Outdoor & Wet Locations, Oil Res 1 /2 |
Fiber Specifications
| Fiber Type | OM3 |
|---|---|
| Fiber Core Diameter | 50/125 μm |
| Fiber Diameter | 250 μm |
| Fiber Buffer Material | PVC - Polyvinyl Chloride |
| Fiber Count | 72 |
| Fiber Color Coding | TIA-598-D |
Cable Construction
| Number of Active Subunits | 6 |
|---|---|
| Fibers Per Subunit | 12 |
| Subunit Diameter | 0.230 in (5.8 mm) |
| Subunit Color | Aqua |
| Fiber SubUnit Strength Members | Waterblocking Aramid Yarn |
| Central Strength Member Type | Upjacketed GRP |
| Core Wrap Material | Waterblocking tape |
Outer Jacket Specifications
| Jacket Material | CPE - Chlorinated Polyethylene |
|---|---|
| Nom. Diameter | 0.823 in (20.9 mm) |
| Outer Jacket Ripcord | 1 |
Optical Characteristics
| Wavelength | 850 nm | 1300 nm |
|---|---|---|
| Max. Attenuation | 3.0 dB/km | 1.0 dB/km |
| 1 Gigabit Ethernet Performance | 1000 | 550 |
| 10 Gigabit Ethernet Performance | 300 m | - |
| Min. Effective Modal Bandwidth (EMB) | 2000 MHz.km | - |
| Min. Overfilled Launch (OFL) Bandwidth | 700 MHz.km | 500 MHz.km |
Mechanical Characteristics
| Minimum Bend Radius During Installation | 15x Cable OD |
|---|---|
| Minimum Bend Radius During Operation | 10x Cable OD |
| Max. Tensile Strength During Installation | 2670 N (600 lbf) |
| Max. Tensile Strength During Operation | 800 N (180 lbf) |
| Crush Resistance | 220 N/cm |
| Bulk Cable Weight | 229 lbs/kft (341 kg/km) |
Temperature Range
| Installation Temperature Range | -10°C to +60°C |
|---|---|
| Operating Temperature Range | -50°C to +70°C |
| Storage Temperature Range | -50°C to +70°C |
Standards and Compliance
| Environmental Suitability | Indoor/Outdoor, Sunlight Resistance, Oil Resistance, Oil Resistance - Oil Res I/II |
|---|---|
| Sustainability | CA Prop 65 |
| Flammability / Reaction to Fire | OFNR, FT4 |
| ICEA Compliance | S-104-696 |
History
| Update and Revision | Revision Number: 0.15 Revision Date: 09-07-2025 |
|---|
Resources
Belden TU-3DK-072-RN2 technical datasheetBelden Fiber Optic Catalog - AmericasIndustrial Fiber CatalogOptical Fiber Cable Reference Guide - IECFiber Selection GuideMore Fiber Connections are Coming. Are you Prepared?Belden Fiber Systems4 Reasons ICT Integrators Should Be Excited About Class 4 SystemsHere Comes Class 4 Power: Differences Between Circuit ClassesThe Latest Updates to IEEE Standards and TIA StandardsWhat You Need to Know About New Fault-Managed Power SystemsThe Industry’s First UL-Certified Class 4 Cabling System: Belden Digital Electricity CablesDemystifying Fiber Cabling SystemsEvolution of Fiber: Myth vs. RealityPolarity Webinar Series – Part 2: Polarity Mapping Basics
