Vacuum Circuit Breaker VD4/R with Spring Operated Mechanism

VD4/R are used in secondary MV distribution and in small transformer substations. They are available in fixed version with right-hand side operating mechanism. Circuit-breakers with rated voltage up to 24 kV can be fitted with current sensors and PR521 overcurrent release and can be used in unmanned substations without auxiliary power supply.

Ratings
Rated voltage (kV)12 - 24
Rated current (A)630 - 1250
Rated breaking current (kA)12,5 - 25

Related links

Documentation and downloads

Catalogue
VD4/R - MV vacuum circuit-breakers for secondary distributionEnglish
3.23 MB
Circuit diagram
VD4/R - Circuit diagram, VD4 - Uniair - VD4/SEnglish
Italian
4.41 MB
VD4/R - Circuit diagram, VD4/R - VD4/Uniair-FEnglish
Italian
0.68 MB
VD4/R - Circuit diagram, VD4/S with PR 512/PEnglish
Italian
0.51 MB
Dimension Drawing
VD4/R - Overall dimensions, VD4/L p. 230English
Italian
0.32 MB
VD4/R - Overall dimensions, VD4/L p. 300English
Italian
0.32 MB
VD4/R - Overall dimensions, VD4/R p.230English
Italian
0.34 MB
VD4/R - Overall dimensions, VD4/R p.300English
Italian
0.34 MB
VD4/R - Overall dimensions, VD4/SEnglish
Italian
0.17 MB
VD4/R - Overall dimensions, VD4/UniairEnglish
Italian
0.36 MB
VD4/R - Overall dimensions, VD4/Uniair-2REnglish
Italian
0.36 MB
VD4/R - Overall dimensions, VD4/Uniair-AEnglish
Italian
0.31 MB
VD4/R - Overall dimensions, VD4/Unimix-FEnglish
Italian
0.20 MB
VD4/R - Overall dimensions, VD4/Unimix-FEnglish
Italian
0.20 MB
VD4/R - Overall dimensions, VD4/Unimix-REnglish
Italian
0.23 MB
Leaflet
VD4/R -Medium voltage vacuum circuit-breakers for secondary distributionEnglish
0.19 MB
Manual
VD4/R - VD4/L - VD4/UniAir - VD4/UniMix - Installation and maintenance instructionsEnglish
3.69 MB
Presentation
VD4/R - MV vacuum circuit-breakers for secondary distribution (presentation)English
0.33 MB
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