How to mounting VS1 type medium voltage vacuum circuit breaker (VCB)
2023-06-27
How to mounting VS1 type medium voltage vacuum circuit breaker (VCB), into metal clad switchgear panel with draw-able type KYN28 cubicle
VCB in testing position, VCB and cubicle door were interlocked;
VCB and Earthing Switch were interlocked;
Earthing switch and cubicle back door were interlocked;
Total five interlocked design for safety.
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What's the test sequence for VCB operation testing?
