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12kV indoor vacuum circuit breaker, high voltage medium voltage fixed or drawer type
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Product: Views:23512kV indoor vacuum circuit breaker, high voltage medium voltage fixed or drawer type 
Unit price: Negotiable
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Delivery date: Since the payment date Days delivery
Valid until: Long-term effective
Last updated: 2017-10-18 22:47
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Model Number: VS1-12/630 Brand Name: YUFLY Key Specifications/Special Features: 1: Effective Arc-extinguish2: Long electrical lifetime3: Maintenance free4: Safe and reliable operation5: Sealed spark chamberOperational:1: Fixed type or drawer type2: Phase distance: 150/210/275mm
Item Unit Data
Rated voltage kV 12
Rated current A 630
Rated short circuit breaking current kA 20
Rated short circuit making current kA 50
Rated short time withstand current kA 20
Rated short circuit duration time s 4
1 min P.F withstand voltage kV 42
Lightning impulse withstand voltage kV 75
Rated operating sequence O-0.3s-CO-180s-CO
Mechanical lifetime Times 20000
Rated operation voltage V 220V DC AC