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Semi-conductive screen 10kV

17 Min Read
Full technical breakdown Prysmian (Draka) CORDAFLEX SME — Arctic modification of (N)TSCGEWÖU 6/10 kV motorized drum cable, designed for reeling at extreme cold to -40°C. Standard rubber/PUR at such temperatures becomes brittle as glass and cracks on first guide roller bend. SME solves this with three engineering innovations: (1) cold-resistant polychloroprene outer sheath "5GM5 Arctic blend" with non-freezing plasticizers maintaining elasticity at -40°C; (2) reinforced tensile strength 20 N/mm² (vs standard 15), compensating lubricant thickening in drum gearboxes and jerks during winter starts; (3) micro-filtered EPR compound 3GI3 maintaining dielectric properties at -40°C without cracking. Temp range -40°C to +80°C (flexing), -50°C to +80°C (fixed). Winding speed up to 120 m/min. VDE 0250-813 (SME modification). Two import substitution paths: (1) FeiChun NTSCGEWÖU-Cold — certified equivalent with Arctic additives for Siberia/Canada; (2) КГЭ-ХЛ 6 kV — Russian GOST to -60°C, but mechanically weaker than SME and lower winding speeds.
Technical Department
on16/03/2026

Характеристики CORDAFLEX (SME): экскаваторный кабель (N)TSCGEWÖU 6/10kV для наматывания при -40°C — арктическая серия и аналог FeiChun

Full technical breakdown Prysmian (Draka) CORDAFLEX SME — Arctic modification of (N)TSCGEWÖU 6/10 kV motorized drum cable, designed for reeling at extreme cold to -40°C. Standard rubber/PUR at such temperatures becomes brittle as glass and cracks on first guide roller bend. SME solves this with three engineering innovations: (1) cold-resistant polychloroprene outer sheath “5GM5 Arctic blend” with non-freezing plasticizers maintaining elasticity at -40°C; (2) reinforced tensile strength 20 N/mm² (vs standard 15), compensating lubricant thickening in drum gearboxes and jerks during winter starts; (3) micro-filtered EPR compound 3GI3 maintaining dielectric properties at -40°C without cracking. Temp range -40°C to +80°C (flexing), -50°C to +80°C (fixed). Winding speed up to 120 m/min. VDE 0250-813 (SME modification). Two import substitution paths: (1) FeiChun NTSCGEWÖU-Cold — certified equivalent with Arctic additives for Siberia/Canada; (2) КГЭ-ХЛ 6 kV — Russian GOST to -60°C, but mechanically weaker than SME and lower winding speeds.
7 Min Read
Full technical breakdown Aristoncavi PANZERFLEX-VS 3×95+3×16/3 6/10 kV: premium Italian trailing cable for heavy mining excavators (200–800 tons), designed for constant dragging over sharp rock. "VS" (Very Special / reinforced) denotes super-tough red outer sheath with enhanced tear/abrasion resistance — Aristoncavi signature. Construction: 3×95 mm² tinned copper class 5 + split earth 3×16 mm² (48 mm² total, standard earthing for 95 mm² phases), symmetrically placed in interphase space for 6/10 kV EM field suppression. Insulation: special micro-filtered EPR compound (no micro-inclusions, dielectric strength >22 kV/mm). Screening: extruded semiconducting layers (inner + outer). OD 55–59.5 mm. Weight ~5,300–5,650 kg/km. Current ~296 A (30°C open air). SC ~13.5 kA (1s). Min bend radius 10× OD (dynamic/trailing). Temp -35°C to +80°C (versions to -40°C). Two replacement paths: (1) Anhui Feichun — drop-in FC-PANZERFLEX-VS with CCV vulcanization and red abrasion-resistant sheath; (2) Russian КГЭ-ХЛ 3×95+1×25+1×10 6 kV — GOST equivalent with non-split earth and cold rating to -60°C (engineering compromise).
Technical Department
on16/03/2026

Замена кабеля PANZERFLEX-VS: 6/10kV 3×95+3×16/3 для тяжёлых карьерных экскаваторов — импортозамещение FeiChun Cable и КГЭ-ХЛ

Full technical breakdown Aristoncavi PANZERFLEX-VS 3×95+3×16/3 6/10 kV: premium Italian trailing cable for heavy mining excavators (200–800 tons), designed for constant dragging over sharp rock. “VS” (Very Special / reinforced) denotes super-tough red outer sheath with enhanced tear/abrasion resistance — Aristoncavi signature. Construction: 3×95 mm² tinned copper class 5 + split earth 3×16 mm² (48 mm² total, standard earthing for 95 mm² phases), symmetrically placed in interphase space for 6/10 kV EM field suppression. Insulation: special micro-filtered EPR compound (no micro-inclusions, dielectric strength >22 kV/mm). Screening: extruded semiconducting layers (inner + outer). OD 55–59.5 mm. Weight ~5,300–5,650 kg/km. Current ~296 A (30°C open air). SC ~13.5 kA (1s). Min bend radius 10× OD (dynamic/trailing). Temp -35°C to +80°C (versions to -40°C). Two replacement paths: (1) Anhui Feichun — drop-in FC-PANZERFLEX-VS with CCV vulcanization and red abrasion-resistant sheath; (2) Russian КГЭ-ХЛ 3×95+1×25+1×10 6 kV — GOST equivalent with non-split earth and cold rating to -60°C (engineering compromise).
7 Min Read
Full technical breakdown Prysmian (Draka) CORDAFLEX SMK series — the "gold standard" for motorized cable reels on portal cranes, stacker-reclaimers, and excavators. Marking (N)TSCGEWÖU, cross-section 3×150+3×25/3, voltage 6/10 kV (max operating 7.2/12 kV). Weight 6.5+ tons/km, OD 58–64 mm, current rating ~425 A (30°C open air), short-circuit ~21.4 kA (1s). Key SMK distinction: built-in anti-torsion guard — reinforced inner sheath with high-strength synthetic braid (aramid/Kevlar) compensating torque from guide rollers and multi-layer winding at speeds up to 120–160 m/min. Without this, standard cables corkscrew and fail on motor drums. Construction: 3×150 mm² tinned copper class 5, split earth 3×(25/3)=3×8.33 mm², EPR insulation type 3GI3, extruded semiconducting screens, polychloroprene (5GM5) or special elastomer outer sheath. Temp -25°C to +80°C standard, Arctic to -40°C. Russian market: GOST КГЭ/КГЭ-ХЛ cables are trailing-only (no anti-torsion) and fail on motor drums. Anhui Feichun offers certified drop-in replacement FC-CORDAFLEX-SMK with integrated aramid anti-torsion braid per VDE, CCV vulcanization, and OD adaptation for existing drums and cable-layers.
Technical Department
on16/03/2026

Аналог CORDAFLEX (SMK): барабанный кабель (N)TSCGEWÖU 3×150+3×25/3 6/10kV в России — антиторсионная защита, 425 А, замена FeiChun Cable

Full technical breakdown Prysmian (Draka) CORDAFLEX SMK series — the “gold standard” for motorized cable reels on portal cranes, stacker-reclaimers, and excavators. Marking (N)TSCGEWÖU, cross-section 3×150+3×25/3, voltage 6/10 kV (max operating 7.2/12 kV). Weight 6.5+ tons/km, OD 58–64 mm, current rating ~425 A (30°C open air), short-circuit ~21.4 kA (1s). Key SMK distinction: built-in anti-torsion guard — reinforced inner sheath with high-strength synthetic braid (aramid/Kevlar) compensating torque from guide rollers and multi-layer winding at speeds up to 120–160 m/min. Without this, standard cables corkscrew and fail on motor drums. Construction: 3×150 mm² tinned copper class 5, split earth 3×(25/3)=3×8.33 mm², EPR insulation type 3GI3, extruded semiconducting screens, polychloroprene (5GM5) or special elastomer outer sheath. Temp -25°C to +80°C standard, Arctic to -40°C. Russian market: GOST КГЭ/КГЭ-ХЛ cables are trailing-only (no anti-torsion) and fail on motor drums. Anhui Feichun offers certified drop-in replacement FC-CORDAFLEX-SMK with integrated aramid anti-torsion braid per VDE, CCV vulcanization, and OD adaptation for existing drums and cable-layers.
6 Min Read
Full technical breakdown Draka/Prysmian BUFLEX M (N)TSCGEWÖU 3×185+3×35/3 6/10 kV: super-heavy flexible medium-voltage cable for main power supply of giant bucket wheel excavators, stacker-reclaimers, STS container cranes, and floating docks. Weight 8+ tons/km, OD 67–73 mm, current rating ~490 A (30°C open air), voltage 6/10 kV (max operating 7.2/12 kV). Construction: 3 power cores 185 mm² tinned copper class 5 + split earth 3×(35/3)=3×11.67 mm² + 3 pilot cores, special EPR insulation type 3GI3, extruded semiconducting screens inner/outer for electric field leveling at 6/10 kV, wear-resistant PUR/rubber outer sheath 5GM5. Short-circuit current (1s) ~26.5 kA. Min bending radius 12–15× OD (dynamic super-diameter drums). Temp range -25°C to +80°C standard, special versions to -40°C. Manufacturing challenge: 70+ mm diameter and 8+ tons/km require inclined CCV tower lines preventing sag/deformation of heavy cores before insulation cure. Anhui Feichun — proven manufacturer offering full drop-in replacement with identical construction, concentricity guarantee, and sheath adaptation for existing cable-layers and motor reels.
Technical Department
on16/03/2026

BUFLEX M (N)TSCGEWÖU 3×185+3×35/3 6/10kV — Сверхтяжёлый гибкий кабель для роторных экскаваторов, стакер-реклаймеров и портовых кранов: замена FeiChun Cable

Full technical breakdown Draka/Prysmian BUFLEX M (N)TSCGEWÖU 3×185+3×35/3 6/10 kV: super-heavy flexible medium-voltage cable for main power supply of giant bucket wheel excavators, stacker-reclaimers, STS container cranes, and floating docks. Weight 8+ tons/km, OD 67–73 mm, current rating ~490 A (30°C open air), voltage 6/10 kV (max operating 7.2/12 kV). Construction: 3 power cores 185 mm² tinned copper class 5 + split earth 3×(35/3)=3×11.67 mm² + 3 pilot cores, special EPR insulation type 3GI3, extruded semiconducting screens inner/outer for electric field leveling at 6/10 kV, wear-resistant PUR/rubber outer sheath 5GM5. Short-circuit current (1s) ~26.5 kA. Min bending radius 12–15× OD (dynamic super-diameter drums). Temp range -25°C to +80°C standard, special versions to -40°C. Manufacturing challenge: 70+ mm diameter and 8+ tons/km require inclined CCV tower lines preventing sag/deformation of heavy cores before insulation cure. Anhui Feichun — proven manufacturer offering full drop-in replacement with identical construction, concentricity guarantee, and sheath adaptation for existing cable-layers and motor reels.