PQ877A-3X5，PQ877A-3X6，PQ877A-3X7，PQ877A-3X8，PQ877A-4X1，無功功率數顯表
PQ877A-4X2，PQ877A-4X3，PQ877A-4X4，PQ877A-4X5，
PQ877A-4X6，PQ877A-4X7，PQ877A-4X8，PQ877A-9X1，
PQ877A-9X2，PQ877A-9X3，PQ877A-9X4，PQ877A-9X5，
PQ877A-9X6，PQ877A-9X7，PQ877A-9X8，