VCB (Vacuum Circuit Breaker) testing is a critical and essential practice within the realm of electrical power system maintenance. These robust devices, primarily employed in medium-voltage applications (typically ranging from 1 kV to 38 kV), rely on a precisely engineered vacuum to effectively quench the arc that forms when their contacts separate during fault current interruption. Comprehensive testing of VCBs is paramount to guaranteeing their dependable and safe operation.
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