电动机P=额定电流I*2断路器的电流=1.5~1.8*I接触器的电流=1.5*I热继电器的电流=1.3*I融断器熔丝按额定电流1.5-2.5*I导线选型序号电机功率电机电流(A)YJV电缆载流量（A）VV电缆载流量（A）电缆型号电缆（150米范围内）电缆（250米范围内）电缆（350米范围内）电缆外径YJV重量(kg/km)穿管管径(mm)电缆规格线路压降电缆规格线路压降电缆规格线路压降YJVYJV22爆炸危险环境，电缆在空气中敷设，周围环境空气温度40℃（二、四、六极电机）10.55~1.5KW3.42921YJV-0.6/1KV4X2.524X2.53.54X2.54.671416210DN2022.2KW52921YJV-0.6/1KV4X2.52.943.674X43.451518290DN2533KW6.82921YJV-0.6/1KV4X2.544X43.354X44.691518290DN2544KW8.82921YJV-0.6/1KV4X2.53.884X44.344X64.071719380DN3255.5KW11.63829YJV-0.6/1KV4X43.434X63.834X65.361719380DN3267.5KW15.43829YJV-0.6/1KV4X44.554X65.094X104.41922570DN32711KW22.64937YJV-0.6/1KV4X64.484X104.64X164.082325810DN40815KW30.36852YJV-0.6/1KV4X103.714X163.924X165.492325810DN40918.5KW35.96852YJV-0.6/1KV4X104.394X164.653X25+1X164.2726281210DN501022KW42.59169YJV-0.6/1KV4X163.34X165.53X25+1X165.0626281210DN501130KW56.911687YJV-0.6/1KV3X25+1X162.93X25+1X164.843X35+1X164.9628301530DN501237KW70.4144109YJV-0.6/1KV3X35+1X162.633X35+1X164.383X50+1X254.4430332010DN651345KW84.2175133YJV-0.6/1KV3X50+1X252.273X50+1X253.793X50+1X255.330332010DN651455KW103224170YJV-0.6/1KV3X70+1X352.073X70+1X353.453X70+1X354.8334372570DN651575KW140271207YJV-0.6/1KV3X95+1X502.213X95+1X503.683X95+1X505.1538403718DN801690KW166314240YJV-0.6/1KV3X120+1X702.173X120+1X703.613X120+1X705.0543.5444634DN8017110KW203360277YJV-0.6/1KV3X150+1X702.253X150+1X703.763X150+1X705.2647485940DN10018132KW2422*2242*170YJV-0.6/1KV2-(3X70+1X35）2.432-(3X70+1X35）4.052-(3X95+1X50）4.453874362xDN8019160KW2922*2242*207YJV-0.6/1KV2-(3X95+1X50）2.32-(3X95+1X50）3.832-(3X95+1X50）5.373874362xDN8020185KW3382*3142*240YJV-0.6/1KV2-(3X120+1X70）2.212-(3X120+1X70）3.682-(3X120+1X70）5.1543.592682xDN8021200KW3652*3142*240YJV-0.6/1KV2-(3X120+1X70）2.382-(3X120+1X70）3.972-(3X120+1X70）5.5643.592682xDN8022220KW3972*3602*277YJV-0.6/1KV2-(3X150+1X70）2.22-(3X150+1X70）3.672-(3X150+1X70）5.1447118802xDN10023250KW4602*4102*316YJV-0.6/1KV2-(3X185+1X95）2.212-(3X185+1X95）3.682-(3X185+1X95）5.155253147602xDN10024280KW5