THHN / THWN-2 / MTW
应用及描述
THHN/THWN型导体,按照国家电气规范,通过导管安装,适用于在商业/工业系统中服务,馈线和分支电路配线
THHN类电缆适用于温度不超过90°C干燥的环境中。
THWN类电缆适用于温度不超过90°C干燥的环境,75°C潮湿的环境中或不超过75°C的油/冷却液中。
THWN – 2类电缆适用于温度不超过90°C干燥或潮湿的环境中,不超过75°C的油/冷却液中。
MTW类电缆适用于潮湿的环境使用,温度不超过60℃的油/冷却液中,温度不超过90℃的干燥环境中(仅限于NFPA 79规定的75°C导体的载流量)。
导体温度不超过105°C的干燥环境中,AWM类电缆可用作设备线,额定电压为600伏。
标准及认证
UL 83 - 热固性材料绝缘线缆
CSA C22.2 No. 75-03
UL 1063 (MTW) - 机床电线电缆(多股)
UL 758 (AWM)
ICEA S-95-658/NEMA WC 70
电缆结构
导体: 多股柔软退火铜,ASTM B8 B类
绝缘: 坚硬,耐热,防潮聚氯乙烯(PVC)加尼龙涂层绝缘
颜色: 黑色,其他颜色可选
电缆参数
线规股数标称绝缘厚度
Inch/mm标称护套厚度
Inch/mm标称电缆外径
Inch/mm
标称电缆重量
Lbs/kft kg/km1410.0150.380.0040.100.112.7915221210.0150.380.0040.100.123.0523341010.0200.510.0040.100.153.81375414190.0150.380.0040.100.112.79162412190.0150.380.0040.100.133.30243610190.0200.510.0040.100.174.3239588190.0300.760.0050.130.225.5963946190.0300.760.0050.130.266.60981454190.0401.010.0060.150.338.381572343190.0401.010.0060.150.369.141932872190.0401.010.0060.150.399.912403571190.0501.270.0070.180.4310.923004461/0190.0501.270.0070.180.4711.943765602/0190.0501.270.0070.180.5213.214676953/0190.0501.270.0070.180.5714.485818644/0190.0501.270.0070.180.6416.267241077250370.0601.520.0080.200.6917.538551272300370.0601.520.0080.200.7619.3010221521350370.0601.520.0080.200.7920.0711911772400370.0601.520.0080.200.8521.5913452001500370.0601.520.0080.200.9423.8816682482600610.0701.780.0090.231.1027.9419942967750610.0701.780.0090.231.1629.4624653668