控制电缆

The operative standard for this product is GB9330. we also can supply cables according to IEC, DIN, BS standard. Use requirements 1.Rated voltage U0/U: 450/750V. 2.The max. long-term permitted operating temperature: 70 is for PVC insulated cable; 85 is for XLPE insulated cables. 3.Laying temperature of cables should be not less than 0. 4.The allowable bending radius for cables: It should be not less than 6 times of outer diameter for non. armored of screened flexible cables, and it should be not less than 12 times of outer diameter for armored or copper tape screened cables. Main technology characteristic 1.Conductor D.C resistance and insulation resistance shall be according to GB9330-88 at 20 2.Cable shall withstand voltage of 3000V for 5 minutes. 3. Flame-retardant control cables shall pass category AB and C burning test specified in GB/T1 8380. 4. Fire-resistance control cables shall pass category A,B and C burning test specified in GB 12666.6. 5.Low-smoke low-halogen and low-smoke halogen-free control cables can meet the test requirement of GB/T18380,GB/T17650 and GB/T17651. 6.Flame-separated flame retardant control cables shall category pass A of burning test specified in GB/T18380.