VD4G Medium Voltage Generator Vacuum Circuit Breaker
VD4G (up to 15 kV) is a medium-voltage vacuum circuit breaker designed specifically for generator applications up to 100 MVA. It can interrupt currents with delayed zero-crossing caused by generator-fed faults or synchronization issues with high-voltage grids. Its advanced interrupting technology withstands severe TRV stresses, ensuring strong protection for critical assets. The breaker delivers 30,000 overhaul-free mechanical operations
Technical Specifications
Rated voltage: up to 15 kV
Rated current: up to 4,000 A
Rated short-circuit current: up to 63 kA
Compact design suitable for standard MV switchgear
High generator-fed fault breaking capability
Special design enabling demanding breaking without additional opening
Rated current: up to 4,000 A
Rated short-circuit current: up to 63 kA
Compact design suitable for standard MV switchgear
High generator-fed fault breaking capability
Special design enabling demanding breaking without additional opening
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