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Especificações

          About This Product

          Cable Structure

            Key Features

            How to Choose

            Aplicações

            Technical Data

            Comparison

            Frequently Asked Questions

            BTTZ is the classic rigid mineral-insulated cable: copper conductor, magnesium oxide powder insulation, copper tube outer sheath, all drawn together. Invented 1930s, still the gold standard but heavy, expensive, rigid, and prone to moisture absorption at cut ends. BBTRZ replaces the MgO powder with extruded mineral compound and the copper tube with LSZH polyolefin — flexible, drum-length, cheaper, easier to install. BTTRZ keeps the LSZH outer jacket but adds back a laser-welded seamless copper tape sheath underneath for hermetic moisture sealing and continuous earth path. Cost ranking: BBTRZ < BTTRZ < BTTZ.

            Is BBTRZ a real mineral insulated cable, or just “mineral insulated” in name?

            Installation & Handling Tips

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            Manufacturing Capability

            Why Source From sinopower Cable

            Behind every drum we ship sits a 38-year track record, five production bases under one MES system, and a documentation discipline that gets cables through customs without delays.

            Every cable tested twice before shipping

            Since 1987, our two-stage QC has been refined to a science: routine test on the production line, then full electrical and mechanical re-test before packing. Across 50+ export markets, our return rate stays under 0.3%.

            Five production bases, 470,000 m², synced via MES

            Tianjin, Liaoning, Heilongjiang, Shandong, and Xian — each base runs under one unified MES system. Same recipe, same protocols, same traceability, regardless of which plant ships your order.

            3,000+ SKUs, custom configurations welcome

            Standard sizes ship from inventory. Special voltage grades, color-coding, drum lengths, or armor configurations are routine — submit your spec and our team will quote the lead time honestly.

            Trusted by EPC contractors in 50+ countries

            We supply utilities, mining operators, port authorities, and large industrial OEMs across Europe, the Americas, Southeast Asia, the Middle East, and Africa.

            Full paperwork shipped with every order

            Every shipment includes factory test report, certificate of origin (COO), packing list, and bill of lading (B/L). Customer-nominated witness testing can be arranged before shipment.

            Our Track Record

            98.7%

            On-time shipment rate (last 24 months)

            < 0.3%

            Return rate across export markets

            25 days

            Typical sea freight Tianjin → Rotterdam

            100%

            Shipments with routine test report attached

            Logistics & Delivery

            Packaging, Shipping & Documentation

            What we handle on our side from production floor to the port of loading. Product-specific installation guidance is supplied with the datasheet that accompanies each order.

            Embalagem
            • Wooden or steel drums per IEC 62004
            • Coil packaging available for small cross-sections
            • Standard drum lengths plus custom lengths on request
            • Each drum labeled with type, voltage, cross-section, length, batch
            • Waterproof wrapping for export shipments
            • Cable ends sealed against moisture ingress
            • Private-label / OEM packaging available under NDA
            Shipping
            • FCL / LCL sea freight, air freight on request
            • Trade terms: EXW, FOB, CFR, CIF, DDP
            • Ports of loading: Tianjin / Qingdao / Shanghai
            • Typical sea freight to Rotterdam: 25 days
            • Lead time confirmed at order acknowledgement
            • Container loading photos sent before sailing
            Documentation
            • Factory routine test report (per applicable standard)
            • Commercial invoice and packing list
            • Certificate of origin (CO) — China Council, FORM A, FORM E available
            • Bill of lading (B/L) — original or telex release
            • Third-party inspection by SGS / BV / TÜV on request
            • Customer-nominated witness testing arranged before shipment
            型号: WDZ(A/B/C/D)-GYJS(F)
            导体标称截面/mm² 复合绝缘厚度/mm 平均外径上限/mm 20°C导体最大直流电阻/Ω/km 90°C最小绝缘电阻/MΩ·km 载流量/A(空气中-环境温度30°C) 成品参考重量(kg/km)
            额定电压 300/500V
            0.50.62.3361.5118.7
            0.750.62.524.51.21511.3
            10.62.718.11.11814.1
            额定电压 450/750V
            1.50.73.212.11.12320.0
            2.50.83.97.411.003131.2
            40.84.44.610.854245.8
            60.853.080.705464.0
            101.06.71.830.6578109.0
            161.07.81.150.50105164.0
            251.29.70.7270.50140257.3
            351.210.90.5240.43175346.1
            501.412.80.3860.43225472.6
            701.414.60.2680.35275666.5
            951.617.10.1930.35340911.2
            1201.618.80.1530.323651130.3
            1501.820.90.1240.324251428.6
            1852.023.30.09910.324901746.0
            2402.226.60.07540.325452305.5
            空气中敷设-载流量温度校正系数
            温度/°C101520253035
            系数1.141.1110.71.0410.96
            温度/°C404550556065
            系数0.920.880.840.80.750.7