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Three-phase Thermal Overload protection for Power Transformers, Two Time Constants 49T(1) RET620 Protection Relay
Three-phase  thermal  overload  protection RELAY for  power  transformers
 two  time  constants  49T(1)










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  18694970015

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  sales@njzndq.com 

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Nanjing Zhuneng Electric Co., Ltd

Mobile number: 18694970015

WeChat: power1411913

Email: sales@njzndq.com

Address: Building 16, Liandong U Valley Industrial Park, No.24 XuefuRoad, Jiangbei New District, Nanjing, Jiangsu, China

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