“镇流器 Tank Level and Draft Sensor Barrier I.S BARRIER DETAILS // 型号。: D1014D // Power source DC 24V, Max power consumption: 3.30w foe two channel with 30V supply voltage, Protection class IP20″ 压载舱通风头 DN 200MM, 铸钢, 8 螺栓24MM, TYPE APPR BALLAST.