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Fiber Optic Cable
CPR B2ca Fireproof Fiber Optic Cable
CPR B2ca Fireproof Fiber Optic Cable is a single loose tube, corrugated steel tape armored fiber optic cable developed for fire-critical building infrastructure where circuit continuity, low smoke emission, and dependable optical performance matter at the same time.
Built with an HFFR outer sheath, mica fire barrier layers, glass yarn strength member, and corrugated steel tape armor, this FE180 / PH120 cable is well suited for emergency communication lines, transport infrastructure, industrial facilities, tunnels, and other high-risk indoor environments.
B2ca-s1a,d1,a1
FE180 / PH120
Single Loose Tube
CST Armored
G.657.A1
12F / 24F
Armored fire-resistant fiber optic cable for FE180 / PH120 applications
On this page
Overview of CPR B2ca Fireproof Fiber Optic Cable
This armored fireproof fiber optic cable is designed for projects where standard indoor cable performance is not enough. The construction combines optical transmission stability with enhanced fire behavior, making it suitable for infrastructure where communication lines must keep working during a fire event long enough to support evacuation, monitoring, and emergency response.
The cable structure shown in the datasheet is based on U-DQ(ZN)MT(SR)H design, with a single loose tube, thixotropic gel filling, two layers of mica tape, glass yarn, aramid ripcord, corrugated steel tape armor, and an HFFR UV-resistant outer jacket.
Typical installation and fire-performance reference visual
This page is aligned to the current UPCOM datasheet structure. Where the old content mixed non-metallic wording with armored product coding, the content below follows the armored U-DQ(ZN)MT(SR)H construction consistently.
CPR B2ca Fireproof Fiber Optic Cable Key Advantages
Fire survival performance
Designed for FE180 / PH120 applications where maintaining communication under fire conditions is part of the project requirement.
High fire classification
B2ca-s1a,d1,a1 performance supports demanding building specifications that require stronger fire reaction behavior than standard indoor cable classes.
Armored mechanical protection
Corrugated steel tape armor improves resistance against crush and handling stress in more exposed routing conditions.
Low smoke, halogen-free jacket
HFFR outer jacket helps reduce smoke density and corrosive gas concerns in occupied spaces and enclosed routes.
Macro-bending resistant fiber
Standard datasheet configuration uses G.657.A1 single-mode fiber, well suited for tighter routing conditions inside technical spaces.
Project-ready cable marking
One-side inkjet marking in one-meter intervals supports easier site control, identification, and reel management.
Construction Details for CPR B2ca Fireproof Fiber Optic Cable
Core construction
- Single loose tube design
- Tube material: halogen-free flame retardant PBT
- Tube filling compound: thixotropic gel
- Dielectric tensile strength member: glass yarn
- Jacket strip method: aramid ripcord
Fire and protection layers
- Two layers of mica tape applied helically
- Copolymer coated corrugated steel tape armor
- HFFR UV-resistant outer sheath
- Black jacket as standard datasheet color
Typical project fit
Emergency communication lines
Transport infrastructure
Industrial buildings
Technical tunnels
Critical indoor routes
Security networks
The older page also listed broad fiber family options. To keep the page technically honest, the main narrative now reflects the actual datasheet-backed structure first, while configuration flexibility is shown later under ordering information.
Technical Data for CPR B2ca Fireproof Fiber Optic Cable
| Parameter | 12 Fibers | 24 Fibers |
|---|---|---|
| Product code family | U-DQ(ZN)MT(SR)H | U-DQ(ZN)MT(SR)H |
| Standard fiber type | ITU-T G.657.A1 | ITU-T G.657.A1 |
| Fiber dimensions | 9/125/245/260 µm | 9/125/245/260 µm |
| Tube diameter | 2.8 mm | 3.0 mm |
| Nominal cable diameter | 8.6 mm | 8.8 mm |
| Net cable weight | 110 kg/km | 113 kg/km |
| Tensile strength | 1000 N | 1000 N |
| Crush resistance | 2000 N/100 mm (15 min) | 2000 N/100 mm (15 min) |
| Maximum attenuation @ 1310 nm | 0.36 dB/km | 0.36 dB/km |
| Maximum attenuation @ 1550 nm | 0.24 dB/km | 0.24 dB/km |
| Transportation temperature | -40 °C to 70 °C | -40 °C to 70 °C |
| Storage temperature | -40 °C to 70 °C | -40 °C to 70 °C |
| Installation temperature | -30 °C to 60 °C | -30 °C to 60 °C |
| Operation temperature | -40 °C to 70 °C | -40 °C to 70 °C |
| Standard reel length | 2000 m ±5 | 2000 m ±5 |
Optical fiber performance snapshot
Mode field diameter
9.0 ± 0.4 µm at 1310 nm and 10.1 ± 0.5 µm at 1550 nm.
Cut-off wavelength
Cable cut-off wavelength below 1260 nm for the standard G.657.A1 fiber construction.
Macro-bending control
Low macro-bending sensitive single-mode optical fiber supports demanding indoor routing conditions.
Where CPR B2ca Fireproof Fiber Optic Cable Fits Best
Emergency and life-safety communication routes
Suitable for networks that must continue transmitting during a fire event long enough to support building response procedures, alarms, monitoring systems, and emergency communications.
Transport and public infrastructure
A strong fit for metro projects, stations, tunnels, airports, and similar enclosed infrastructures where smoke behavior and cable fire classification matter in project approval.
Industrial and technical facilities
Works well in power facilities, process plants, secure technical rooms, and industrial campuses where both mechanical protection and fire performance are specified together.
High-density building backbone routes
Useful for risers, backbone runs, and technical routes in buildings that require a higher CPR class than common low-cost indoor cables.
Fire Performance and Compliance
CPR classification
B2ca-s1a,d1,a1 reaction to fire classification for demanding indoor fire-performance requirements.
Fire integrity references
FE180 / PH120 fire survival positioning for projects where circuit integrity is part of the specification set.
Smoke and halogen behavior
Aligned with smoke density and halogen gas test standards commonly referenced in cable fire-performance assessments.
| Property | Reference | What it covers |
|---|---|---|
| Reaction to fire | B2ca-s1a,d1,a1 | Higher fire-performance classification for building cable use |
| Fire integrity | FE180 / PH120 | Circuit continuity positioning for fire-critical applications |
| Flame retardancy | IEC 60332-1-2 | Vertical flame propagation behavior |
| Smoke density | IEC 61034-2 | Smoke emission under defined burning conditions |
| Halogen-free / corrosive gas | IEC 60754-1 / IEC 60754-2 | Halogen acid gas content and corrosive gas behavior |
| Mechanical cable tests | IEC 60794-1-21 E1 / E3 | Tensile and crush resistance references |
| Chemical compliance | RoHS / REACH | Hazardous substance and regulatory compliance baseline |
For project approval, always match the required CPR class, fire survival expectation, local code language, and approval document set together rather than relying on one label line alone.
Ordering Information for CPR B2ca Fireproof Fiber Optic Cable
The original page showed a broader configuration family. To keep that commercial flexibility without turning the page into a technical mess, the structure below groups available order codes by fiber family and count in a cleaner format.
| Fiber family | 4F | 8F | 12F | 24F |
|---|---|---|---|---|
| G.652.D | U-DQ(ZN)MT(SR)H-GDx4-B2ca | U-DQ(ZN)MT(SR)H-GDx8-B2ca | U-DQ(ZN)MT(SR)H-GDx12-B2ca | U-DQ(ZN)MT(SR)H-GDx24-B2ca |
| G.657.A1 | U-DQ(ZN)MT(SR)H-GA1x4-B2ca | U-DQ(ZN)MT(SR)H-GA1x8-B2ca | U-DQ(ZN)MT(SR)H-GA1x12-B2ca | U-DQ(ZN)MT(SR)H-GA1x24-B2ca |
| OM2 | U-DQ(ZN)MT(SR)H-OM2x4-B2ca | U-DQ(ZN)MT(SR)H-OM2x8-B2ca | U-DQ(ZN)MT(SR)H-OM2x12-B2ca | U-DQ(ZN)MT(SR)H-OM2x24-B2ca |
| OM3 | U-DQ(ZN)MT(SR)H-OM3x4-B2ca | U-DQ(ZN)MT(SR)H-OM3x8-B2ca | U-DQ(ZN)MT(SR)H-OM3x12-B2ca | U-DQ(ZN)MT(SR)H-OM3x24-B2ca |
| OM4 | U-DQ(ZN)MT(SR)H-OM4x4-B2ca | U-DQ(ZN)MT(SR)H-OM4x8-B2ca | U-DQ(ZN)MT(SR)H-OM4x12-B2ca | U-DQ(ZN)MT(SR)H-OM4x24-B2ca |
Standard datasheet documentation is based on the G.657.A1 armored single loose tube construction. If your project requires another fiber family, reel length, or project marking format, confirm the exact configuration at quotation stage.
Packaging and Marking
Standard reel length
2000 meters ±5 according to the current datasheet.
Jacket marking
Inkjet marking, one side, applied in one-meter intervals for easier identification and installation control.
Project coordination
Special reel lengths, labeling, and documentation packages can be aligned with project requirements before production.
FAQ for CPR B2ca Fireproof Fiber Optic Cable
What does CPR B2ca mean for this fiber optic cable?
It indicates a higher fire-performance classification for cable use in buildings. In practice, it helps specifiers compare reaction-to-fire behavior under the CPR framework and select a cable class aligned with project requirements.
Is this cable armored or non-armored?
This product page is for the armored version. The current datasheet structure clearly shows corrugated steel tape armor in the U-DQ(ZN)MT(SR)H construction.
Which fiber type is standard in the datasheet?
The standard datasheet configuration is based on ITU-T G.657.A1 single-mode fiber. Other fiber families can be discussed depending on project scope and requested configuration.
Can this cable be used in critical indoor infrastructure?
Yes. It is positioned for critical indoor applications such as emergency communication routes, transport infrastructure, industrial facilities, and other fire-sensitive technical environments.
What reel length is standard?
The current datasheet shows 2000 m ±5 as the standard reel length. Alternative lengths should be checked at quotation stage.
How should this cable be specified in an RFQ?
State the required fiber type, fiber count, CPR class, fire integrity expectation, reel length, destination market, and any requested documentation such as DoP, test references, and marking format.
Specify the right fire-rated fiber optic cable, not a vague brochure line
If your project requires an armored CPR B2ca fireproof fiber optic cable for risers, tunnels, stations, industrial routes, or emergency communication lines, send the required fiber count, fiber type, reel length, and compliance scope. That usually works better than letting procurement guess from half a sentence and creating chaos later.
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