... V series: 600/1000v, K series: 450/750v, B series: 450/750v) 2. Max. long term working temperature: a. flame-retardant ... fluoroplastic insulation & sheath: 200oC & 260oC, fluoroplastic insulation: 105oC, flame-retardant PE & sheath : 90oC& 125oC. c. low smoke&halogen, ... PVC insulation & sheath: 70oC, low smoke & halogen, flame-retardant polyolefin insulation & sheath: 90oC &125oC. 3. Min.environment ...