BeldenTT-3BB-0049NEA
BELDEN RAILTUFF TT-3BB-0049NEA - BREAKOUT 4*50/125-OM3 EN45545-2 HL3
BELDEN RAILTUFF TT-3BB-0049NEA - BREAKOUT 4*50/125-OM3 EN45545-2 HL3
- Availability
- Global
- Status
- Active
Specifications
Product Overview
| Suitable Applications | For onboard use in railway coaches or in between two coaches. |
|---|
Fiber Specifications
| Fiber Type | OM3 |
|---|---|
| Fiber Buffer Material | LSZH - Low Smoke Zero Halogen (Flame Retardant) |
| Fiber Buffer Diameter | 0.9 mm |
| Fiber Count | 4 |
| Fiber Color Coding | TIA coding (Gxxxxxx.T): Blue |
Cable Construction
| Number of Active Subunits | 4 |
|---|---|
| Fibers Per Subunit | 1 |
| Subunit Waterblocking | Waterblocking Glass Yarns + Tape |
| Subunit Diameter | 2.1 mm |
| Fiber SubUnit Strength Members | Aramid Yarns |
Outer Jacket Specifications
| Jacket Material | LSZH - Low Smoke Zero Halogen (Flame Retardant) |
|---|---|
| Nom. Diameter | 8.0 mm (0.31 in) |
| Outer Jacket Color | Aqua |
Optical Characteristics
| Wavelength | Max. Attenuation |
|---|---|
| 850 nm | 3.2 dB/km |
| 1300 nm | 0.9 dB/km |
Mechanical Characteristics
| Bulk Cable Weight | 70 kg/km (47 lbs/1000ft) |
|---|
Mechanical Tests
| Description | Tested Standard | Requirement/Value | According to Family Specification |
|---|---|---|---|
| Cable Min. Bend Radius Installation (Short Term) | IEC 60794-1-21-E6 | 10 x Cable Diam. | IEC 60794-2-20 |
| Cable Min. Bend Radius Operation (Long Term) | IEC 60794-1-21-E11 | 20 x Cable Diam. | IEC 60794-2-20 |
| Cable Max. Tensile Strength Installation (Short Term) | IEC 60794-1-21-E1 | 400 N (90 lbf) | |
| Cable Max. Crush Resistance Installation (Short Term) | IEC 60794-1-21-E3 | 5 kN/m | IEC 60794-2-20 |
| Cable Max. Crush Resistance Operation (Long Term) | IEC 60794-1-21-E3 | 3 kN/m | IEC 60794-2-20 |
Temperature Range
| Installation Temperature Range | -5 to +50 °C |
|---|---|
| Operating Temperature Range | -40 to +85 °C |
| Storage Temperature Range | -30 to +70 °C |
Standards and Compliance
| Environmental Suitability | Indoor - Euroclass Eca |
|---|---|
| Flammability / Reaction to Fire | IEC 60332-1 EN50305 (9.1.1) EN45545: HL1- HL3 |
| CPR Compliance | CPR Euroclass: Eca |
| European Halogen Free Standards | IEC 60754-1 - Halogen Amount = Zero, IEC 60754-2 - Halogen Acid Gas Amount - Max. Conductivity = 10 μS/mm, IEC 60754-2 - Halogen Acid Gas Amount - Min. pH = 4.3, IEC 61034-2 - Smoke Density Min. Transmittance = 60% |
Product Notes
| Notes | The cable sheath fulfils the requirements in EN 50264-1 type EM 104 |
|---|
History
| Update and Revision | Revision Number: 0.4 Revision Date: 04-11-2026 |
|---|
Resources
Belden TT-3BB-0049NEA technical datasheetBelden Fiber Optic Catalog - AmericasIndustrial Fiber CatalogMarineTuff Offshore & Marine CableOptical Fiber Cable Reference Guide - IECBelden MarineTuff LSZH Breakout Fiber Optic CablesBelden Indoor/Outdoor Hybrid Breakout CablesMore Fiber Connections are Coming. Are you Prepared?Achieving Polarity in Advanced Fiber InfrastructuresIndustrial Ethernet: Selecting Fiber Cabling & Connectivity


