Indoor High-Voltage Permanent Magnetic Vacuum Circuit Breaker
Indoor High-Voltage Permanent Magnetic Vacuum Circuit Breaker
VS1-12M 4-7-#2581
ISO9001-2000, CE
Circuit-Breaker Failure Protection
Circuit Breaker
Fixed
Vacuum
High-Speed Circuit Breaker
Manual Type
High Voltage Circuit Breakers
12kv
Product Description
Rated voltage: 12kV Maximum working voltage: 630kV Rated current: 1,250A Rated short circuit breaking current: 20kA Rated short-circuit closing current: 50kA Rated peak values withstand current: 50kA 4S rated short-circuit withstand current: 20kA Frequency voltage (about rated breaking): 40kV Rated sequence of operation: /-0.3-180-/ Life of machine: 1,000 times Rated short-circuit breaking current breaking times: 50 times Operating mechanism rated closing voltage: 110, 220V DC Contact travel: 11, ±1mm Over travel: 3.5, ±0.5mm Three-phase, bounce time: ≤2ms Contractor closing bounce time: ≤2ms Average opening speed: 0.9 to 0.12m/s Average closing speed: 0.4 to 0.8m/s Maximum operation of voltage: ≤0.05s Minimum operation of voltage: ≤0.08s Closing time: 0.1s Each phase main loop resistance: 60uΩ Moving and static contacts, allowed to wear a cumulative thickness: 3mm
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