38 Technical guide VUC | 1ZSC000562-AAX en, Rev. 1
Dimensions, type VUCL
The design, technical data and dimensions are subject to
alteration without notice. The dimension drawings in this
guide show overall dimensions. For detailed information,
see the dimension drawings in the website www.abb.com/
electricalcomponents.
Impulse withstand voltage to earth (kV) H1 (mm) H3 2) (mm)
380 1415 1500
650, 750 1615 1700
1050, 1175 1815 1900
For mounting on active part H1+85 H3+100
Table 21. Diverter switch housings.
For tap-changer
type
Max rated
through-
current (A)
H2, size III (mm) H2, size F (mm)
VUCL.N 700, 1000,
1300
1160 1491
VUCL.E, T
5)
700, 1000 552 791
1300 856 791
VUCL.B
6)
700, 1000,
1300
Single-phase unit
H22 = 552
Single-phase unit
H22 = 791
Two-phase unit
H21 = 856
Two-phase unit
H21 = 1141
Table 22. Tap selectors.
1) Shielding rings are used only for insulation levels 650-275 kV and higher.
2) Space required for lifting the diverter switch, excluding the lifting equipment.
3) Dimension without shielding-ring.
4) For tie-in resistor switch add 370 mm.
5) VUCL.T consists of three single-phase units.
6) VUCL.B consists of one single-phase unit and one two-phase unit.
7) Space required for protective equipment.
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