POWER METER LED DIN RAIL
能量监测器（功率计） LED - 红色字符 显示 DIN 轨道
得捷:
POWER METER LED DIN RAIL
Allied Electronics:
KW8M Eco-Power Meter, 1PH 2-Wire / 1PH, 3PH 3-Wire System, 100-120/200-240VAC
Electro Sonic:
Main Unit Of ECO-Power Meter With Built In Memory