КОГРЭШ 3х6+1х2,5+1х2,5: вес, диаметр, паспорт PDF и полная расшифровка сверхгибкого шахтного кабеля 660В
Complete technical passport ultra-flexible screened mining cable КОГРЭШ 3×6+1×2.5+1×2.5 rated 660V 50Hz. Designation: К=Cable, О=Extra, Г=Flexible, Р=Rubber insulation/sheath, Э=Screened, Ш=Mine. Configuration: 3 power cores 6mm² (tinned copper Class 5 GOST 22483) + 1 earth 2.5mm² + 1 auxiliary/pilot 2.5mm². Construction: RTI-2-HL rubber insulation (natural/butadiene blend, -30°C standard / -50°C ХЛ cold-resistant), individual semiconductive screens RE-2 per phase (pre-emptive disconnect—methane explosion safety), polyester-reinforced central core REM-1, outer sheath oil-resistant polychloroprene RSN-1 2.5mm. Weight: 320–380 kg/km. OD: 13–16mm. Min bend radius: 3×OD (~39–48mm)—3–4× more flexible than standard mine cables. Bend cycles: 22,000 (6mm² section, ±π rad, 49N load). Manufactured per TU 16.K56.017-92 / TU 16.K180-099-2021, compliant GOST 31945-2012. Service life ≥2 years. Application: mine drill tools, perforators, lighting, mobile equipment in methane-bearing underground mines. Chinese equivalent: Feichun Cable full constructive copy GOST-compatible.

