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ABB VD4 Addendum Manual

ABB VD4
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21
Overall dimension and ratings
VD4-36kV vacuum circuit breaker
cradle retrofit solution
VD4-36kV cradle retrofit solution
Ur 36kV
Ir 1250A
Isc 31.5kA
880
984
784
853
946
367 480
114
248
320
4
424
57
736
944
4
1020
300 300
978

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ABB VD4 Specifications

General IconGeneral
TypeVacuum Circuit Breaker
Rated VoltageUp to 36 kV
Rated Short-Circuit Breaking CurrentUp to 63 kA
Frequency50/60 Hz
StandardsIEC 62271-100
ApplicationMedium voltage power distribution
Rated Short-Time Withstand CurrentUp to 63 kA for 3 seconds
Mechanical LifeUp to 30, 000 operations
InstallationFixed / Withdrawable
Operating MechanismSpring-operated
Rated Current630 A / 800 A / 1250 A / 1600 A / 2000 A / 2500 A / 3150 A / 4000 A
Electrical LifeUp to 10, 000 operations at rated current
Control Voltage24 V DC, 48 V DC, 110 V DC, 220 V DC, 110 V AC, 230 V AC

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