Model Number
VMD423-D-1 B73010020
Type 1
voltage relay VMD423-D-1
Type 2
coupling device VMD423-D-1
Type 3
insulation fault locator VMD423-D-1
Type 4
Residual current monitor VMD423-D-1
Type 5
universal measuring device VMD423-D-1
Type 7
signal converter VMD423-D-1
Type 8
Smart charge controller VMD423-D-1
condition
original and new VMD423-D-1