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new 145 kv sf6 circuit breaker Greenland

new 145 kv sf6 circuit breaker Greenland

145 kV Vacuum Circuit Breaker and Clean Air Instrument this technology offers similar and partially even extended switching performance compared to existing sf6 technology at 145 kv: a rated short-circuit breaking current of up to 40 ka, a rated current of up to 3150 a, operating temperatures from -60deg c up to +55deg c without any additional heating systems, and up to 30 full short-circuit

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