ZZ
WB741
delivery time: 30 days
SN
MODEL
Function description
1
WB740
DC operating circuit plug-in
2
WB741
3
WB743
4
WB742
AC operation circuit plug-in
5
WB750
Voltage parallel plug-in
6
WB751
Voltage switching plug-in
7
WB770
Main transformer body protection plug-in
8
WB771
Export reset plug-in
