6SB2072-1AA00-0AA0 变压器LV200-AW/2/SP1 6SB2072-2AA00-0AA0 电压测量装置 6SB2072-4AA00-0AA0 变流器LA1500-T/SP48 6SB2072-5AA00-0AA0 变流器 LA3000-T 6SB2072-5BA00-0AA0 变流器LA3000-T/SP1 6SB2072-6AA00-0AA0 变流器LT4000-