20 Technical guide VUC | 1ZSC000562-AAX en, Rev. 1
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Rated phase step voltage
The maximum permitted step voltage is limited by the
electrical strength and the switching capacity of the diverter
switch. The rated phase step voltage is a function of the rated
through current as shown in the diagrams below.
Fig. 36. Rated phase step voltage for type VUCG.
Fig. 37. Rated phase step voltage for type VUCL.
VUCL.N,B,E,T
Step voltage (V)
Rated through-current (A)
VUCG in the short version has a 220 mm shorter diverter
switch housing, see dimension drawings in this document.
For short versions, there might be restrictions in applications
other than network.
VUCG.N,B,E,T
Short version
Step voltage (V)
Rated through-current (A)
VUCG.E,T
Short version
VUCG.N,B,E,T
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