销售VD4真空断路器新VD4真空断路器是ABB驰名的灭弧室和浇注柱研发和制造技术，以及***的操动机构研发、设计和生产技术的***结合。VD4中压真空断路器的灭弧室被整体浇注在环氧树脂中。整体浇注的极注结构更坚固，可为真空灭弧室提供更加充分的保护，并可消除灰尘和潮气对灭弧室的外绝缘能力的影响。灭弧室将开关的主触头***密封在真空环境中，构成开断灭单元/可选型D412.16.25P=210H=310CDX6081216R251176,698P=275H=310CDX6081216R251276,698VD412.16.32P=210H=310CDX6081216***1178,312P=275H=310CDX6081216***1278,312VD412.16.40P=210H=310CDX6081216R401186,476P=275H=310CDX6081216R401286,476VD412.20.25P=210H=310CDX6081220R251179,119P=275H=310CDX6081220R251279,119VD412.20.32P=210H=310CDX6081220***1180,734P=275H=310CDX6081220***1280,734VD412.20.40P=210H=310CDX6081220R401192,534P=275H=310CDX6081220R401292,534VD412.25.25P=275H=310CDX6081225R251283,273VD412.25.32P=275H=310CDX6081225***1289,108VD412.25.40P=275H=310CDX6081225R4012106,804VD412.32.25（*）P=275H=310CDX6081232R2512117,652VD412.32.32（*）P=275H=310CDX6081232***12117,826VD412.32.40（*）P=275H=310CDX6081232R4012118,001VD412.40.25（**）P=275H=310CDX6081240R2512144,265VD412.40.32（**）P=275H=310CDX6081240***12144,457VD412.40.40（**）P=275H=310CDX6081240R4012144,648)