P0900ES-FOXBORO

P0900ES-FOXBORO

化学腐蚀。电缆直接埋在有酸碱作用的地区，往往会造成电缆的铠装、铅皮或外护层被腐蚀，保护层因长期遭受化学腐蚀或电解腐蚀，致使保护层失效，绝缘降低，也会导致电缆故障。化：单位的电缆腐蚀情况就相当严重长期过负荷运行。超负荷运行，由于电流的热效应，负载电流通过电缆时必然导致导体发热，同时电荷的集肤效应以及钢铠的涡流损耗、绝缘介质损耗也会产乍附加热量，从而使电缆温度升高。长期超负荷运行时，过高的温度会加速绝缘的老化，以至绝缘被击穿。尤其在炎热的夏季，电缆的温升常常导致电缆绝缘薄弱处首先被击穿，因此在夏季，电缆的故障也就特别多。

NEW Sundstrand-Saue?r-Danfoss Hydraulic 45 Pump 83

NEW Sundstrand-Saue?r-Danfoss Hydraulic 45 Pump 96

Sundstrand-Saue?r-Danfoss Hydraulic Series CPD Pump GW

Sundstrand-Saue?r-Danfoss Hydraulic Series CPD Pump GT

Sundstrand-Saue?r-Danfoss Hydraulic Series CPD Pump GU

Sundstrand-Saue?r-Danfoss Hydraulic Series CPD Pump GV

Sundstrand-Saue?r-Danfoss Hydraulic Series CPD Pump GS

84 Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump

88 Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump

87 Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump

81 Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump

85 Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump

82 Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump

86 Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump

83 Sundstrand-Saue?r-Danfoss Hydraulic Series CPB Pump

Sundstrand-Saue?r-Danfoss Hydraulic Series CPD Pump A11

Sundstrand-Saue?r-Danfoss Hydraulic Series CPD Pump A13

Sundstrand-Saue?r-Danfoss Hydraulic Series CPD Pump A12