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10kv Permanent Magnet Vacuum Circuit Breaker 630A 20ka 50Hz Long-Life Indoor AC, Find Details and Price about 10kv Permanent Magnet Circuit Breaker Vacuum 630A Circuit Breaker from 10kv Permanent Magnet Vacuum Circuit Breaker 630A 20ka 50Hz Long-Life Indoor AC - Dongshengyuan (Guangdong) Intelligent Electrical Co., Ltd.