Page 109 - 山东开川电力设备有限公司

DFWK-12
电缆分支箱
Cable branch box

型号及含义/Type and meaning

DFWK - □ □ □ K □
分支回路开关数，一台开关可省略不写/Switch numbers of branch circuit, one unit of switch can be neglected to write
分支回路带开关/Branch circuit with switch
分支回路数/Branch circuit numbers
出线回路数/Outlet circuit numners
进线回路数/Inlet circuit numbers
带开关电缆分支箱/ With cable branch box

功能特点/Function features

● 采用预制式带电可触摸硅橡胶电缆头，全密封、全绝缘、免维护，可靠保证人身安全；
● 结构紧凑，外形小巧美观，不锈钢双层箱体，使用寿命可达二十年以上；
● 在不影响主网运行的前提下，实现区域停电检修，减小停电范围；
● 可配一台或多台SF6负荷开关。接线方式灵活多样，分支 出线最多可达8回路；
● 可选避雷器、短路故障指示器、限流熔断器等，满足用户各种要求。

● It adopts pre-fabricated silicon rubber cable eand,is complete sealing and insulation and maintenance free so to assure personnel safety ;
● It is compart struxture ,good-lloking appearance and stainless steelo double layer case and the operation life is more than 20 years;
● Itcan achieve regional off maintenance with less off range at the condition of not affecting operation of main power grid;
● It can be equipped with one or more units of SF6 load switch and the wiring is flexible with brnch ouelte up to eight circuits ；
● The arrester,short circuit fault indicator and limit fuse can be selected so to meet customer’s various rquirements.

主要技术参数/Main technical data

名称 Name 参数Data

额定电压 Rated voltage 12kV
额定电流 Rated current 630A

工频耐压(相地) P.f withstand voltage ( phase to earth) 42kV/min
雷电冲击电压 Lightning impulse withstand voltage 75kV

额定开断电流 Rated breaking current 630A
额定短路开合电流(峰值) Rated short circuit making current(peak) 50kA

额定短时耐受电流 Rated short time withstand current 25kA/4S
额定峰值耐受电流 Rated peak withstand current 50kA
额定开断电容电流 Rated breaking capacitive current 45A

额定开断电感电流 Rated breaking inductive current 16A

满负荷开断次数 Breaking numbers at full load >100
分合闸机械操作次数 Mechanical operation numbers at opening and closing 2000

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