Complete Technical Guide to FeiChun’s FC-ALC™ Over-Armour LED Architecture with Dual FC-EMH™ / FC-CVD™ Energy Harvesting for Longwall Gate Roads, Main Headings & Panel Entries (1.1 kV – 11 kV)
TYPE 260-LED: The World’s First AS/NZS 1802 Certified Self-Powered LED Illuminated Armoured Feeder Cable for Underground Coal Mining — Complete Technical Guide to FeiChun’s FC-ALC™ Over-Armour LED Architecture with Dual FC-EMH™ / FC-CVD™ Energy Harvesting for Longwall Gate Roads, Main Headings & Panel Entries (1.1 kV – 11 kV)
Comprehensive professional guide to the TYPE 260-LED — the world’s first LED illuminated armoured feeder cable certified to AS/NZS 1802:2003, the mandatory Australian and New Zealand standard for underground coal mining cables. This is the only armoured, illuminated, multi-voltage feeder cable in the world certified for underground coal mine service. Where FeiChun’s TYPE 275-LED brought self-powered LED visibility to the reeling cable side of underground coal operations, the TYPE 260-LED now extends that same red-glow technology to the armoured feeder infrastructure — longwall gate roads, main headings, panel entries, and every outbye feeder run where pliable steel wire armour is required for high-impact protection. Dual energy harvesting covers the full voltage spectrum: FC-CVD™ capacitive voltage divider for 1.1 kV feeders, and FC-EMH™ electromagnetic induction with armour-compensated coil geometry for 3.3 kV, 6.6 kV, and 11 kV. The proprietary FC-ALC™ over-armour LED architecture places the LED strip outside the steel armour for unobstructed 360° glow, while the FC-SPM™ four-layer surge protection module — including MOV backup for feeder switching transients — protects the LED circuit for the full service life. This article covers cable construction, dual energy harvesting, FC-ALC™ over-armour architecture, four-layer surge protection, complete dimensional and electrical data across all voltage classes (1.1–11 kV, conductor sizes 6 mm² to 150 mm²), full standards compliance including QLD CMSH Act and NSW WHS (Mines) Regulation, application scenarios for underground coal feeders, and direct factory procurement from Anhui Feichun Special Cable Co., Ltd.
Summary: Technical guide to the TYPE 260-LED — the world’s first LED illuminated armoured feeder cable certified to AS/NZS 1802:2003 for underground coal mining. Dual FC-EMH™ (≥ 3.3 kV) / FC-CVD™ (1.1 kV) self-powered energy harvesting. FC-ALC™ over-armour LED architecture with 360° visibility through translucent FC-TPU™ A-Series sheath. Pliable galvanised steel wire armour — zero compromise on impact protection. FC-SPM™ four-layer surge protection with MOV backup. 1.1–11 kV multi-voltage. Methane-safe Ex ia IIC (AS/NZS 60079.11 / AS/NZS 3808). Plug-and-play drop-in replacement. QLD CMSH Act & NSW WHS (Mines) Reg compliant. FeiChun — direct factory manufacturer.
💡 Why Armoured Feeders Need LED Visibility — And Why Nobody Has Done It Before
If you’ve spent any time underground in an Australian coal mine, you know the drill. Feeder cables are the backbone of the mine’s power distribution — they run from the substation through main headings, down longwall gate roads, into panel entries, and along every outbye corridor where gear needs juice. Unlike trailing or reeling cables that move with the equipment, armoured feeders are semi-permanent infrastructure. They get bolted to ribs, hung from roof supports, laid along the floor, and buried under stone dust. They’re armoured with pliable galvanised steel wire because they cop an absolute hiding from rib spall, roof falls, shuttle-car traffic, supply vehicles, and the general rough-and-tumble of underground coal production.
And here’s the thing — in the pitch-black of a coal mine, those feeders are basically invisible. You can’t tell from looking whether a feeder cable is energised or isolated. You can’t trace a feeder route through a congested gate road without a torch and a good deal of patience. During LOTO (lock-out/tag-out) procedures, isolation verification, or emergency evacuation, miners have to physically follow feeder cables by hand in the dark, relying on cap-lamp visibility and cable labels that are often obscured by stone dust. In a hurry — and in an underground coal mine, there’s always a hurry — this is a recipe for mistakes: wrong cable isolated, energised cable contacted, or feeder route lost during evacuation.
LED illumination solves this problem completely. FeiChun’s TYPE 275-LED already proved the concept for reeling cables — shuttle-car and pump cables that glow red when energised, visible from 30+ metres in total darkness. But armoured feeders present a unique engineering challenge: the steel armour blocks light. You can’t just stick an LED strip under pliable galvanised steel wire armour and expect any light to get out. The armour also attenuates the magnetic field used by electromagnetic induction energy harvesting at higher voltages (3.3–11 kV), making it harder to power the LEDs without external supplies.
The TYPE 260-LED solves both problems. FeiChun’s proprietary FC-ALC™ (Armoured LED Cable) architecture places the LED strip outside the steel armour, in a dedicated annular channel between the armour outer surface and the translucent sheath. The FC-EMH™ electromagnetic induction system uses an armour-compensated coil with extended winding geometry and higher turn count to overcome the steel armour’s partial magnetic shielding effect. The result is the world’s first armoured, illuminated, multi-voltage feeder cable certified to AS/NZS 1802:2003 for underground coal mine service — covering 1.1 kV right through to 11 kV.
Armoured feeder cables used in underground coal mines in Queensland and New South Wales must be certified to AS/NZS 1802:2003. This is not optional — it’s mandated by the QLD Coal Mining Safety and Health Act 1999 and the NSW Work Health and Safety (Mines) Regulation 2014. Using a general-mining armoured cable certified only to AS/NZS 2802:2000 or IEC 60502 in an underground coal mine is a regulatory non-compliance that can result in prohibition notices from state mining inspectors. The TYPE 260-LED holds full AS/NZS 1802:2003 certification — all construction, flame-propagation, earth-fault, and pilot-circuit requirements are fully satisfied.
🔧 TYPE 260-LED Cable Construction: Layer-by-Layer Breakdown — Steel Armour + Over-Armour LED
The TYPE 260-LED is built on FeiChun’s proven Type 260 armoured feeder platform — the same base construction used across Australian underground coal operations for decades. The key innovation is how FeiChun has integrated the LED illumination system into this armoured construction without compromising any of the mechanical or electrical performance properties that make the Type 260 the workhorse armoured feeder of the Australian coal industry.
1. Conductors: Annealed tinned copper, flexible Class 5 stranding per AS/NZS 1125. Tinning provides corrosion protection in the humid, wet conditions typical of underground coal workings. Available in sizes from 6 mm² (1.1 kV) through to 95 mm² (11 kV).
2. Insulation: Ethylene Propylene Rubber (EPR) per AS/NZS 1802:2003, Cl. 4.4. EPR is the industry standard insulation for underground coal cables — excellent moisture resistance, superior electrical properties at elevated temperatures, and the flexibility needed for installation around tight bends in gate roads and panel entries.
3. Core Screening — Composite Cu/Polyester Braid: Composite copper/polyester braid insulation screen over each phase core. Provides uniform electric field distribution and effective screening at all voltage classes from 1.1 kV through 11 kV.
4. Pilot Cores: EPR insulated interstitial pilot conductors. Pilot-circuit continuity monitoring is mandatory under AS/NZS 1802 for underground coal — any break in the pilot loop triggers immediate cable disconnection.
5. Cradle: Semi-conductive elastomer cradle. Maintains cable geometry and provides the bedding surface for the armour layer.
6. Filler Sheath: Elastomeric filler sheath — the bedding layer between the cable core and the steel wire armour. Protects the inner cable components from mechanical damage transmitted through the armour.
7. Armour: Pliable galvanised steel wire armour. This is what makes the Type 260 the go-to armoured feeder for underground coal — high impact resistance, crush protection, and rodent protection for cable runs exposed to the punishing environment of longwall gate roads and main headings.
8. Energy Harvesting Module: FeiChun® FC-CVD™ (1.1 kV variants) or FC-EMH™ (≥ 3.3 kV variants), positioned inside the armour. The FC-EMH™ induction pickup coil uses extended winding geometry to compensate for the steel armour’s partial magnetic shielding effect.
9. LED Strip (FC-ALC™ Architecture): Warning red (620–630 nm), silicone encapsulated, positioned outside the steel armour in a dedicated annular channel. This is the key innovation — the FC-ALC™ over-armour placement gives unobstructed 360° glow that the steel armour cannot block.
10. FC-ASB™ Aramid Stress-Relief Braid: FeiChun® woven aramid (Kevlar) braid over the armour, surrounding the LED FPC (flexible printed circuit). Isolates the LED circuit from mechanical stress transmitted through the armour and outer sheath.
11. Outer Sheath: Heavy duty translucent FR-TPU — FeiChun® FC-TPU™ A-Series, Armour Grade (Formula FC-2026-TPU-A3). Specifically developed for armoured cable duty with point-load resistance against steel armour wire tips. Halogen-free, flame-retardant, self-extinguishing.
Note: The TYPE 260-LED’s construction is identical to the standard Type 260 from conductors through to armour. All additional LED components — energy harvesting module, LED strip, aramid braid, and translucent sheath — are added outside the armour layer (FC-ALC™ architecture). The armour’s mechanical protection is completely uncompromised. Cable O.D. and weight are approximately 10–15% above standard Type 260 equivalents.
🔴 FC-ALC™ Over-Armour LED Architecture: How You Get 360° Glow Through Steel Wire Armour
The fundamental engineering challenge of building an illuminated armoured cable is simple to state and hard to solve: steel wire armour is opaque. Light cannot pass through pliable galvanised steel wire. Any LED illumination system that places the LED strip inside the armour — as is done in unarmoured cable types like the TYPE 275-LED and TYPE 440-LED — would be completely invisible in an armoured cable. The armour would block 100% of the emitted light.
FeiChun’s answer is the FC-ALC™ (Armoured LED Cable) over-armour architecture. Instead of placing the LED strip inside the cable core where the armour would block it, the FC-ALC™ system positions the LED strip in a dedicated annular channel between the outer surface of the steel wire armour and the translucent FC-TPU™ A-Series outer sheath. The aramid stress-relief braid (FC-ASB™) sits over the armour and surrounds the LED FPC, protecting the LED circuits from mechanical damage while allowing light to pass outward through the translucent sheath.
The result is unobstructed 360° glow — the same warning-red visibility that FeiChun’s unarmoured LED cables deliver, but now wrapped around a fully armoured feeder cable. From a distance, the TYPE 260-LED looks like a standard armoured feeder cable with a continuous red glow emanating from its entire outer surface. Up close, you can see the individual LED elements through the translucent sheath. Either way, the message is unmistakable: this cable is live.
The Armour-Compensated Induction Challenge (≥ 3.3 kV)
The FC-ALC™ architecture solves the light-blocking problem. But the steel armour creates a second engineering challenge for the higher-voltage variants: magnetic field attenuation. At 3.3 kV and above, FeiChun’s FC-EMH™ system harvests energy by electromagnetic induction from the magnetic field generated by the phase conductors. In an unarmoured cable, this is straightforward — the induction pickup coil sits close to the conductors with no magnetic shielding between them. But in the TYPE 260-LED, the pliable galvanised steel wire armour sits between the phase conductors and the LED circuit. Steel is a ferromagnetic material that partially shields and redirects the magnetic field, reducing the flux available to the induction pickup coil.
FeiChun’s solution is an armour-compensated induction coil — the FC-EMH™ pickup coil uses extended winding geometry with a higher turn count compared to the unarmoured cable equivalent. The increased turn count and optimised winding geometry compensate for the steel armour’s partial magnetic shielding effect, ensuring sufficient energy harvesting for reliable LED operation. At 6.6 kV and 11 kV, the stronger source magnetic field (higher current × higher voltage) provides ample harvesting margin despite the armour attenuation — the LEDs have more than enough power at the higher voltage classes.
The FC-ALC™ over-armour LED architecture was first developed and proven in the FeiChun TYPE 412-LED armoured feeder cable (AS/NZS 2802 general mining). The TYPE 260-LED adapts this proven architecture for AS/NZS 1802 underground coal certification, adding the additional flame-propagation, earth-fault, pilot-circuit, and methane-atmosphere requirements mandated for underground coal service. The core FC-ALC™ concept — LEDs outside the armour, translucent sheath outside the LEDs — is identical.
⚡ Dual Energy Harvesting: FC-CVD™ (1.1 kV) + FC-EMH™ Armour-Compensated Induction (3.3–11 kV)
The TYPE 260-LED is a multi-voltage cable covering 1.1 kV through 11 kV — and this voltage range requires two completely different energy harvesting approaches. At 1.1 kV, the magnetic field generated by the phase conductors is too weak for reliable electromagnetic induction (especially through steel armour), so the FC-CVD™ capacitive voltage divider is used. At 3.3 kV and above, the stronger magnetic field makes electromagnetic induction viable, so the FC-EMH™ system takes over.
| Voltage Class | Harvesting Method | Operating Principle | Armour Interaction |
|---|---|---|---|
| 1.1 kV | FC-CVD™ | Capacitive voltage divider. High-impedance tap draws tens of milliamps from phase conductor. Onboard rectification and LDO regulation to 12/24 V DC. | Module inside armour. Twin micro-conductors pass through controlled armour gap with FC-POT™ seal at penetration point. |
| 3.3 kV | FC-EMH™ | Electromagnetic induction. Armour-compensated pickup coil with extended winding geometry harvests energy from phase-conductor magnetic field. | Pickup coil inside armour. Higher turn count compensates for steel armour partial magnetic shielding. Galvanic isolation between power circuit and LED circuit. |
| 6.6 kV | FC-EMH™ | Same electromagnetic induction principle. Stronger source field at higher voltage provides greater harvesting margin despite armour attenuation. | Ample energy margin. Steel armour shielding effect is proportionally less significant at higher field strengths. |
| 11 kV | FC-EMH™ | Maximum source field strength. Highest available energy harvesting with comfortable margin for LED operation under all load conditions. | Armour attenuation negligible relative to available field energy at 11 kV. |
Both harvesting modes satisfy AS/NZS 60079.11 (intrinsic safety) and AS/NZS 3808 (Group I methane atmospheres). The FC-EMH™ system uses galvanic isolation — there is no electrical connection between the high-voltage power circuit and the low-voltage LED circuit. The FC-CVD™ system uses capacitive limiting — the capacitive impedance inherently restricts available energy below intrinsic safety thresholds. Both approaches ensure that the LED circuit cannot, under any fault condition, deliver sufficient energy to ignite methane or coal dust.
🛡️ FC-SPM™ Enhanced Four-Layer Surge Protection with MOV Backup for Feeder Switching Transients
Armoured feeder cables are subject to significantly higher-energy switching transients than reeling cables. When a feeder circuit breaker operates — particularly during fault clearance, load rejection, or energisation of downstream transformers — the transient voltage spike can be substantially more energetic than the motor-switching transients seen on shuttle-car reeling cables. The TYPE 260-LED’s FC-SPM™ surge protection module is an enhanced four-layer design specifically architected for feeder-grade switching transients.
| Layer | Component | Function & Operating Principle |
|---|---|---|
| Layer 1 | Magnetic Saturation | Caps induced energy at source for FC-EMH™ variants (≥ 3.3 kV). Prevents the induction coil from delivering excessive energy during high-current fault events. |
| Layer 2 | TVS Diodes | Picosecond clamping of transient voltage spikes. First active line of defence against the rapid transients generated by feeder circuit breaker operations. |
| Layer 3 | Zener / LDO Regulation | Precision regulation locks LED power rail to 12/24 V DC. Eliminates any voltage fluctuation from reaching the LED strip regardless of supply-side conditions. |
| Layer 4 | PTC + MOV | PTC polymer resettable fuse for auto-reset overcurrent protection, plus MOV (metal-oxide varistor) for high-energy backup — specifically for the higher-energy switching transients characteristic of feeder circuits. Zero maintenance for full cable service life. |
Note: The TYPE 260-LED uses a four-layer FC-SPM™ module. This is one layer more than the TYPE 275-LED reeling cable (three layers), reflecting the higher-energy switching transients present on feeder circuits. The additional MOV (Layer 4) provides high-energy backup that is not required for the lower-energy motor-switching transients of shuttle-car reeling cables.
📐 Dimensional & Electrical Data: Complete Specifications — 1.1 kV, 3.3 kV, 6.6 kV, 11 kV
The TYPE 260-LED covers the full voltage range of underground coal feeder applications — from 1.1 kV auxiliary panel feeders through to 11 kV main incoming supply cables. Cable outer diameter includes the FC-ALC™ over-armour LED system (LED strip, FC-ASB™ aramid braid, and translucent FC-TPU™ A-Series sheath). Weights are approximately 10–15% above standard Type 260 equivalents. Part numbers use the MCU- prefix (underground coal series) per FeiChun convention.
260-LED.1 — 1.1 kV (FC-CVD™ Energy Harvesting)
| Part No. | Cond. mm² | Cond. Dia. mm | Screen mm² | Dia. Over Screen mm | Pilot mm² | LED Power | Sheath mm | O.D. mm | Wt. kg/100 m |
|---|---|---|---|---|---|---|---|---|---|
| MCU-260L.1-006 | 6 | 9.0 | 7.2 | 10.2 | 1.06 | FC-CVD™ | 4.2 | 47.0 | 276 |
| MCU-260L.1-010 | 10 | 9.9 | 8.6 | 11.1 | 1.70 | FC-CVD™ | 4.2 | 49.0 | 331 |
| MCU-260L.1-016 | 16 | 11.1 | 9.6 | 12.3 | 2.76 | FC-CVD™ | 4.4 | 55.0 | 460 |
| MCU-260L.1-025 | 25 | 12.4 | 11.3 | 13.6 | 4.45 | FC-CVD™ | 4.7 | 59.0 | 555 |
| MCU-260L.1-035 | 35 | 13.6 | 12.4 | 14.8 | 6.15 | FC-CVD™ | 5.0 | 62.5 | 646 |
| MCU-260L.1-050 | 50 | 15.4 | 14.4 | 16.6 | 8.06 | FC-CVD™ | 5.4 | 67.5 | 762 |
| MCU-260L.1-070 | 70 | 17.2 | 16.5 | 18.4 | 12.69 | FC-CVD™ | 5.8 | 72.5 | 939 |
| MCU-260L.1-095 | 95 | 19.4 | 18.2 | 20.6 | 12.69 | FC-CVD™ | 6.4 | 82.0 | 1126 |
| MCU-260L.1-120 | 120 | 21.2 | 20.3 | 22.4 | 13.75 | FC-CVD™ | 6.8 | 87.0 | 1320 |
| MCU-260L.1-150 | 150 | 23.3 | 22.3 | 24.5 | 16.92 | FC-CVD™ | 7.3 | 93.0 | 1540 |
260-LED.3 — 3.3 kV (FC-EMH™ Armour-Compensated Induction)
| Part No. | Cond. mm² | Cond. Dia. mm | Screen mm² | Dia. Over Screen mm | Pilot mm² | LED Power | Sheath mm | O.D. mm | Wt. kg/100 m |
|---|---|---|---|---|---|---|---|---|---|
| MCU-260L.3-016 | 16 | 13.9 | 13.4 | 15.1 | 2.76 | FC-EMH™ | 5.7 | 69.0 | 635 |
| MCU-260L.3-025 | 25 | 15.2 | 14.8 | 16.4 | 4.45 | FC-EMH™ | 6.0 | 72.5 | 742 |
| MCU-260L.3-035 | 35 | 16.4 | 16.1 | 17.6 | 6.15 | FC-EMH™ | 6.3 | 79.0 | 874 |
| MCU-260L.3-050 | 50 | 18.0 | 17.5 | 19.2 | 8.06 | FC-EMH™ | 6.7 | 83.5 | 994 |
| MCU-260L.3-070 | 70 | 19.6 | 19.6 | 20.8 | 12.69 | FC-EMH™ | 7.0 | 88.0 | 1172 |
| MCU-260L.3-095 | 95 | 21.4 | 20.6 | 22.6 | 12.69 | FC-EMH™ | 7.5 | 93.5 | 1298 |
| MCU-260L.3-120 | 120 | 23.0 | 27.2 | 24.5 | 13.75 | FC-EMH™ | 7.8 | 98.5 | 1516 |
| MCU-260L.3-150 | 150 | 24.7 | 39.6 | 26.2 | 16.92 | FC-EMH™ | 8.2 | 107.5 | 1997 |
260-LED.6 — 6.6 kV (FC-EMH™ Armour-Compensated Induction)
| Part No. | Cond. mm² | Cond. Dia. mm | Screen mm² | Dia. Over Screen mm | Pilot mm² | LED Power | Sheath mm | O.D. mm | Wt. kg/100 m |
|---|---|---|---|---|---|---|---|---|---|
| MCU-260L.6-016 | 16 | 17.9 | 16.3 | 19.1 | 2.76 | FC-EMH™ | 6.8 | 84.0 | 894 |
| MCU-260L.6-025 | 25 | 19.2 | 18.3 | 20.4 | 4.45 | FC-EMH™ | 7.1 | 87.5 | 1007 |
| MCU-260L.6-035 | 35 | 20.4 | 20.3 | 21.6 | 6.15 | FC-EMH™ | 7.4 | 91.0 | 1111 |
| MCU-260L.6-050 | 50 | 22.0 | 20.3 | 23.2 | 8.06 | FC-EMH™ | 7.7 | 95.5 | 1237 |
| MCU-260L.6-070 | 70 | 23.6 | 22.6 | 24.8 | 12.69 | FC-EMH™ | 8.1 | 104.0 | 1634 |
| MCU-260L.6-095 | 95 | 25.4 | 29.6 | 26.9 | 12.69 | FC-EMH™ | 8.5 | 110.0 | 1808 |
| MCU-260L.6-120 | 120 | 27.0 | 32.3 | 28.5 | 13.75 | FC-EMH™ | 8.9 | 115.0 | 2028 |
| MCU-260L.6-150 | 150 | 28.7 | 47.3 | 30.8 | 16.92 | FC-EMH™ | 9.3 | 121.0 | 2335 |
260-LED.11 — 11 kV (FC-EMH™ Armour-Compensated Induction)
| Part No. | Cond. mm² | Cond. Dia. mm | Screen mm² | Dia. Over Screen mm | Pilot mm² | LED Power | Sheath mm | O.D. mm | Wt. kg/100 m |
|---|---|---|---|---|---|---|---|---|---|
| MCU-260L.11-025 | 25 | 24.4 | 24.3 | 25.6 | 4.45 | FC-EMH™ | 8.5 | 107.0 | 1563 |
| MCU-260L.11-035 | 35 | 25.6 | 30.3 | 27.1 | 6.15 | FC-EMH™ | 8.8 | 111.0 | 1715 |
| MCU-260L.11-050 | 50 | 27.2 | 32.3 | 28.7 | 8.06 | FC-EMH™ | 9.1 | 115.5 | 1868 |
| MCU-260L.11-070 | 70 | 28.8 | 34.3 | 30.3 | 12.69 | FC-EMH™ | 9.5 | 120.5 | 2096 |
| MCU-260L.11-095 | 95 | 30.6 | 48.3 | 32.7 | 12.69 | FC-EMH™ | 10.0 | 127.5 | 2328 |
Note: Nominal dimensions ± manufacturing tolerances. MCU- prefix denotes underground coal series. Cable O.D. includes FC-ALC™ over-armour LED system. Weights approx. 10–15% above standard Type 260. LED Power: FC-CVD™ = capacitive divider (1.1 kV); FC-EMH™ = electromagnetic induction (≥ 3.3 kV). Induction pickup coil geometry compensates for magnetic-field attenuation by steel armour layer.
📋 AS/NZS 1802:2003 & Additional Standards Compliance Matrix
The TYPE 260-LED is certified to AS/NZS 1802:2003 — the primary standard governing electric cables for underground coal mining in Australia and New Zealand. This is not a general-mining standard. It imposes specific requirements beyond AS/NZS 2802:2000, including mandatory flame-propagation testing to stricter limits, earth-fault loop impedance control, pilot-circuit continuity monitoring, and methane atmosphere compatibility. The table below shows the full compliance matrix.
| Standard | Title / Scope | Applicability to TYPE 260-LED |
|---|---|---|
| AS/NZS 1802:2003 | Electric cables — Underground coal mining | PRIMARY. All construction, flame-propagation, earth-fault, pilot-circuit and armour requirements fully satisfied. |
| AS/NZS 60079.11 | Explosive atmospheres — Intrinsic safety ‘i’ | LED circuit: Ex ia IIC. FC-EMH™ galvanically isolated / FC-CVD™ capacitively limited. |
| AS/NZS 3808:2000 | Electrical equipment for coal mines — Intrinsic safety | LED circuit meets Group I (methane) IS requirements. Mandatory for underground coal. |
| IEC 60502-1/2 | Power cables with extruded insulation | EPR insulation, braid screen, armouring per voltage class to 11 kV. |
| AS/NZS 1125 | Conductors in insulated electric cables | Conductor material, stranding, resistivity. |
| QLD CMSH Act 1999 | Coal Mining Safety and Health Act 1999 (Queensland) | Compliant with QLD state legislation requiring AS/NZS 1802-certified cables for underground coal. |
| NSW WHS (Mines) Reg 2014 | Work Health and Safety (Mines) Regulation 2014 (New South Wales) | Compliant with NSW state legislation requiring AS/NZS 1802-certified cables for underground coal. |
🏆 Eight Key Operational Advantages: Armoured LED Feeder for Underground Coal
1. World’s First Multi-Voltage Illuminated Armoured Coal Feeder: The TYPE 260-LED is the only armoured, illuminated feeder cable in the world covering 1.1–11 kV and certified to AS/NZS 1802:2003 for underground coal mine service. No one else has cracked the armour-plus-LED combination for coal. FC-ALC™ over-armour architecture plus dual FC-EMH™/FC-CVD™ energy harvesting — it’s a genuine world first.
2. Uncompromised Impact Protection: Pliable galvanised steel wire armour is fully retained. The LED system adds zero compromise to crush, impact, and rodent protection. Identical mechanical performance to the standard Type 260 your sparkies already know and trust. If a rib spall hits this cable, the armour does its job exactly as it always has.
3. Plug-and-Play for Underground Coal: No external DC supplies. No gate end box modifications. No additional infrastructure. It’s a straight drop-in replacement — disconnect the old 260, connect the 260-LED, energise, and she glows. Your mine electricians won’t need any retraining or new procedures.
4. Feeder Route Visibility in Coal Mines: This is the big one for safety. Illuminated feeders allow personnel to trace energised cable routes through longwall gate roads and panel entries without portable lighting. During isolation, re-routing, and emergency evacuation, you can see exactly where every energised feeder runs — from a distance, in complete darkness, without a torch. That’s a step change in underground cable management.
5. Intrinsically Safe for Methane Atmospheres: Cold light source. Galvanic isolation (HV) or capacitive limiting (LV). AS/NZS 3808 and AS/NZS 60079.11 compliant for Group I atmospheres. No sparks, no hot surfaces, no ignition risk — the LED system is inherently safe for the gassiest underground coal environment.
6. Enhanced FC-SPM™ with MOV Backup: Four-layer surge protection including MOV for feeder switching transients. PTC auto-reset. Zero maintenance for full cable service life. The MOV layer is specifically there because feeder circuits cop much heavier transients than shuttle-car circuits — this cable is built for the feeder environment.
7. Live Cable Indication: Immediate visual energisation status — glow means live, no glow means isolated. Critical for LOTO procedures in complex underground feeder networks where you’ve got multiple feeders running through the same gate road. No more tracing cables by hand with a torch to figure out which one’s still got juice.
8. Full State Regulatory Compliance: Satisfies QLD CMSH Act 1999 and NSW WHS (Mines) Regulation 2014 requirements for AS/NZS 1802-certified underground coal armoured feeder cables. No regulatory risk. No prohibition notices. Full legal compliance. Your SSE and mine manager can sign off with confidence.
⛏️ Application Scenarios: Longwall Gate Roads, Panel Entries, and Main Headings
Challenge: A typical longwall panel has multiple armoured feeder cables running along the gate roads — the maingate carries 6.6 kV and 3.3 kV feeders for the longwall power supply, BSL (boot-end switching location), and panel distribution board. The tailgate carries additional feeders and earth cables. In a congested gate road, you’ve got feeders, monorail infrastructure, ventilation ducting, and conveyor structure all competing for space. During a longwall move or panel changeover, electricians need to identify and isolate specific feeder cables in this congested environment — in the dark, under time pressure, with production waiting. Tracing the wrong cable and isolating the wrong feeder is a genuine safety risk and a production disaster.
Solution: TYPE 260-LED for all armoured feeder cables in the gate road. Every energised feeder glows red. During isolation, the target feeder goes dark while all other feeders remain illuminated — providing immediate, unambiguous visual confirmation that the correct cable has been isolated. During emergency evacuation, personnel can visually follow the illuminated feeder routes through the gate road to identify their position and navigate toward the crib room or escapeway.
Challenge: The main headings of an underground coal mine carry the 11 kV incoming supply feeder cables from the surface substation to the underground main distribution switchboard. These cables can run for several kilometres through the mine’s main headings. The 11 kV feeders are critical infrastructure — a fault on the incoming supply affects the entire mine. During planned outages, maintenance, or fault investigation, electricians and engineers need to trace the 11 kV feeder route through the main headings. In older mines with decades of cable installations, there can be multiple decommissioned cables running alongside the live feeder, making identification difficult.
Solution: TYPE 260-LED for the 11 kV incoming supply feeder. The live feeder glows red continuously, visually distinguishing it from decommissioned cables in the same heading. During planned outages, the 11 kV feeder extinguishing provides mine-wide visual confirmation that the incoming supply has been isolated — visible to anyone in the main heading without requiring communication from the substation.
Challenge: Panel entries in underground coal mines are busy spots — they’re where the gate road meets the main heading, and they typically house the panel distribution board, transformer, and multiple outgoing feeders to face equipment, pumps, and auxiliary gear. Multiple 1.1 kV armoured feeder cables radiate from the panel entry into the gate roads and face area. During shift changes, equipment breakdowns, or fault investigation, electricians working at the panel entry need to quickly identify which feeder goes where and whether it’s still energised.
Solution: TYPE 260-LED for all 1.1 kV auxiliary feeders from the panel entry. The glowing cables create a visual map of the panel’s power distribution — you can stand at the distribution board and see exactly which feeder routes are energised and which have been isolated. During emergency situations, the illuminated feeder network provides immediate spatial awareness of the panel’s electrical layout.
📊 TYPE 260-LED vs TYPE 275-LED: Armoured Feeder vs Reeling Cable — Picking the Right One
The TYPE 260-LED and TYPE 275-LED are both certified to AS/NZS 1802:2003 for underground coal mining, but they serve completely different roles in the mine’s electrical system. Specifying the wrong cable type is not just an engineering error — it’s a potential safety hazard and a regulatory non-compliance. Here’s a straightforward comparison to keep things clear.
| Feature | TYPE 260-LED (Armoured Feeder) | TYPE 275-LED (Reeling Cable) |
|---|---|---|
| Primary Function | Fixed/semi-permanent power distribution feeder | Dynamic reeling cable for mobile equipment |
| Armour | Pliable galvanised steel wire armour — high impact/crush protection | No armour — flexible construction for reeling duty |
| Voltage Range | 1.1 kV – 11 kV (multi-voltage) | 1.1 kV only |
| Energy Harvesting | Dual: FC-CVD™ (1.1 kV) + FC-EMH™ (≥ 3.3 kV) | FC-CVD™ S-variant only (1.1 kV) |
| LED Architecture | FC-ALC™ over-armour (LEDs outside steel armour) | Standard under-sheath (no armour to bypass) |
| Surge Protection | FC-SPM™ 4-layer (incl. MOV for feeder transients) | FC-SPM™ 3-layer (motor switching transients) |
| Sheath | FC-TPU™ A-Series (armour grade, point-load resistant) | FC-TPU™ S-Series (shuttle-car grade, 50,000+ flex cycles) |
| Conductor Range | 6 mm² – 150 mm² | 16 mm² – 50 mm² |
| Typical Applications | Longwall gate roads, main headings, panel entries, outbye feeder runs | Shuttle cars, underground coal pumps, auxiliary face equipment |
| AS/NZS 1802 | Yes — underground coal certified | Yes — underground coal certified |
Need an armoured feeder cable with LED visibility for gate roads, main headings, or panel entries? → TYPE 260-LED. Available from 1.1 kV to 11 kV. Steel wire armour for impact protection. FC-ALC™ over-armour LED architecture.
Need a reeling cable with LED visibility for shuttle cars, pumps, or face equipment? → TYPE 275-LED. 1.1 kV. FC-TPU™ S-Series sheath rated 50,000+ flex cycles. FC-CVD™ S-variant for flicker-free load tracking.
Want the full underground coal mine lit up with LED cables — feeders and reeling? → TYPE 260-LED for all armoured feeder runs + TYPE 275-LED for all reeling cable applications. Same red LED visibility, same FeiChun technology platform, same plug-and-play deployment. Your entire underground cable network glows when energised.
❓ Frequently Asked Questions: Armour, Multi-Voltage LED, Underground Coal Procurement
Q1: How does the LED light get through steel wire armour?
It doesn’t go through the armour — it goes around it. FeiChun’s FC-ALC™ (Armoured LED Cable) architecture places the LED strip outside the steel armour, in a dedicated annular channel between the armour outer surface and the translucent FC-TPU™ A-Series outer sheath. The FC-ASB™ aramid stress-relief braid protects the LED circuits from mechanical damage. The result is unobstructed 360° glow — the steel armour doesn’t block a skerrick of light.
Q2: Does the LED system compromise the armour’s impact protection?
Not one bit. The pliable galvanised steel wire armour is identical to the standard Type 260. All LED components are added outside the armour layer. The cable delivers identical crush, impact, and rodent protection to the standard Type 260 your mine has been using for years. The LED system adds visibility; it takes nothing away from mechanical protection.
Q3: Can the TYPE 260-LED replace our existing standard Type 260 armoured feeders?
Straight swap. The TYPE 260-LED is a direct drop-in replacement for standard Type 260 armoured feeder cables at any voltage class and conductor size. No external DC supplies, no gate end box modifications, no coupler changes, no additional infrastructure. Disconnect the old cable, connect the TYPE 260-LED, energise, and she glows. Your sparkies won’t need retraining or new procedures — it terminates and handles exactly like a standard 260.
Q4: How does the FC-EMH™ system harvest energy through steel armour at 3.3–11 kV?
The FC-EMH™ pickup coil sits inside the armour, close to the phase conductors. The coil uses extended winding geometry with a higher turn count compared to the unarmoured cable equivalent — this compensates for the partial magnetic shielding effect of the steel armour. At higher voltages (6.6 kV and 11 kV), the stronger source magnetic field provides ample harvesting margin despite the armour attenuation. The system is designed so that even at the minimum load conditions, there’s enough harvested energy for reliable LED operation across the full cable length.
Q5: What happens to the LEDs during a feeder circuit breaker trip or earth fault?
When the feeder is de-energised — whether by normal circuit breaker operation, earth-fault trip, or emergency isolation — the LEDs extinguish immediately. The FC-EMH™ (HV) and FC-CVD™ (LV) systems have no significant energy storage; they operate in real-time from the supply. Glow = live. No glow = isolated. The FC-SPM™ four-layer surge protection (including the MOV backup) protects the LED circuit from the transient voltage spike accompanying the trip event. After re-energisation, the LEDs illuminate normally with no maintenance or inspection required.
Q6: What’s the minimum order and how do I get a quote?
Contact FeiChun’s mining division directly at [email protected] or [email protected] for project-specific pricing, minimum order quantities, and lead time estimates. As a direct factory manufacturer, FeiChun offers competitive pricing without distributor markups and can accommodate custom specifications including non-standard lengths, project-specific marking, and mine-specific termination requirements. If you’re speccing a longwall move, a panel changeover, or a full-mine feeder upgrade, get in touch early — custom manufacturing lead times apply for the larger conductor sizes and higher voltage classes.
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Standards & References
- AS/NZS 1802:2003, “Electric cables — Reeling and trailing — For underground coal mining,” Standards Australia / Standards New Zealand.
- AS/NZS 2802:2000, “Electric cables — Trailing and reeling — For mining and general use,” Standards Australia / Standards New Zealand.
- AS/NZS 60079.11, “Explosive atmospheres — Equipment protection by intrinsic safety ‘i’,” Standards Australia / Standards New Zealand.
- AS/NZS 3808:2000, “Electrical equipment for coal mines — Intrinsic safety,” Standards Australia / Standards New Zealand.
- IEC 60502-1, “Power cables with extruded insulation and their accessories — Cables for rated voltages from 1 kV up to and including 3 kV,” International Electrotechnical Commission, Geneva.
- IEC 60502-2, “Power cables with extruded insulation and their accessories — Cables for rated voltages from 6 kV up to and including 30 kV,” International Electrotechnical Commission, Geneva.
- AS/NZS 1125, “Conductors in insulated electric cables and flexible cords,” Standards Australia / Standards New Zealand.
- Coal Mining Safety and Health Act 1999 (QLD), Queensland Parliamentary Counsel.
- Work Health and Safety (Mines and Petroleum Sites) Regulation 2014 (NSW), NSW Government.
- Anhui Feichun Special Cable Co., Ltd., “TYPE 260-LED Self-Powered LED Illuminated Armoured Feeder Cable — Technical Data Sheet FC-TDS-260LED-2026-7C6B9FDF, Rev. A1, Section 1B,” Hefei, March 2026.
