Siemens 7-GMI-500-1200-66 Vacuum Breaker
Technical Parameter
Rated voltage: 12kV.
Rated current: 1200A.
Rated short-circuit breaking current: 66kA.
Rated short-circuit closing current: 66kA.
Rated power frequency withstand voltage: 42/48kV to ground/fault.
Rated lightning impulse withstand voltage: 75/85kV to ground/fracture.
Mechanical lifespan: 30000 cycles.
Structure and dimensions
Structural features: Adopting optimized vacuum switch technology, it has stable insulation performance and constant contact resistance.
Size: The specific size is not explicitly mentioned in the search results, but size information for similar models (such as the 3AH5 series) can be found in Siemens’ relevant technical documents.
application area
Medium voltage distribution: suitable for medium voltage distribution systems with a voltage level of 12kV.
Special applications: such as generator outlets, electric arc furnace transformers, and other special occasions.
Industry and infrastructure: widely used in power distribution, infrastructure, and industrial fields.
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