電氣元件及箱柜標(biāo)示符號:電流表???PA??電線,電纜,母線??W
電壓表???PV??直流母線??WB
有功電度表???PJ??插接式(饋電)母線??WIB
無功電度表???PJR??電力分支線??WP
頻率表???PF??照明分支線??WL
相位表???PPA??應(yīng)急照明分支線??WE
最大需量表(負荷監(jiān)控儀)???PM??電力干線??WPM
功率因數(shù)表???PPF??照明干線??WLM
有功功率表???PW??應(yīng)急照明干線??WEM
無功功率表???PR??滑觸線??WT
無功電流表???PAR??合閘小母線??WCL
?????控制小母線??WC
聲信號???HA??信號小母線??WS
光信號???HS??閃光小母線??WF
指示燈???HL??事故音響小母線??WFS
紅色燈???HR??預(yù)告音響小母線??WPS
綠色燈???HG??電壓小母線??WV
黃色燈???HY??事故照明小母線??WELM
藍色燈???HB??避雷器??F
白色燈???HW??熔斷器??FU
?????快速熔斷器??FTF
連接片???XB??跌落式熔斷器??FF
插頭???XP??限壓保護器件??FV
插座???XS??電容器??C
端子板???XT??電力電容器??CE