HDFW - 12 series of outdoor high voltage cable connection box (outdoor box type ring network cabinet, switch type cable connection box) is used for power cable connection and tapping, within the product USES the high performance of SF6 gas insulation sulfur hexafluoride load switch and a touch screen type cable type joint, has strong active load and no load of cable current open and close short circuit current.Lightning arresters and ground fault indicators can be installed according to user requirements.
Each ring wire in this series is equipped with a load switch or vacuum circuit breaker.Any branch loop is free to exit and put into operation, and the other loop is unaffected.A fuse can also be attached to the load switch.When a branch circuit has a short circuit fault, the fuse on the branch circuit can quickly disconnect the fault circuit, and impact the tripping device of the load switch to make it open. The fault circuit is isolated, so as to ensure the power supply connectivity of the non-guaranteed branch circuit.
Each switch is permanently sealed and maintenance-free (i.e., 30 years).No bare electric rest, moisture, dust, condensation.Manual spring energy storage operating mechanism can be added with electric operating mechanism and control unit to realize electric and remote operation (optional), and FTU can also be installed to realize automatic distribution network.
HDFW-12系列户外高压电缆分接箱（户外箱式环网柜、 开关型电缆分接箱）是用于电力电缆的联接和分接，产品采用内装SF6绝缘气体的高性能六氟化硫负荷开关和可触摸屏蔽型电缆型接头，具有较强的有功负载及空载电缆电流的开断能力和短路电流的关合能力． 并可根据用户要求配装避雷器及接地故障指示器。
该系列产品中每条环网线上都装有负荷开关或真空断路器。任何一条分支回路都可以自由地退出和投入运行，其它环网回路不受影响。负荷开关上还可以附装熔断器。当某分支回路发生短路故障时，该支回路上的熔断器可快速断开故障回路，并撞击负荷开关的脱扣器使之分闸，故障回路被隔离， 这样便保证了非保障分支回路的供电连接性。
每一个开关都是终身密封和免维护的（即30年）。 无 裸露带电休，防潮、防尘、 凝露。手动弹簧储能操作机构可加电动操作机构和控制单元，实现电动及远距离操作（选装），亦可加装FTU，实现配网自动化。
Outdoor box: with 2.5mm thick stainless steel plate welding forming, according to user requirements for the appearance of mirror or sand spray (camel gray or environmental protection green}.
Within the framework;It is welded by steel plate and profile and cast by hot plating.The load switch and the cable connector of incoming and outgoing wires are fixed on the cabinet frame and installed in the outdoor box.
△ switch room: installed SF6 load switches, the switch models are fln36-12d, fln48-12d, sfg-12 and fully enclosed SF6 load switchgear or vacuum circuit breaker.
Cable access cabinet: touchable shielded cable connector with live display.
Cable out room: according to the number of out branch assembly of the corresponding number of cable joints and cable fixed cabinet.
△ 户外箱：用2.5mm厚的不锈钢板焊接成形，按用户要求外表分为镜面或砂面喷塑（驼灰色或环保绿色｝。
△内框架；用钢板、 型材焊成并进行整体热镀铸处理。负荷开关及进、出线电缆接头固定在柜架上面，整体安装在户外箱内，操作机构室、 电缆进、 出线室内为全封闭小室。
△ 开关室：内装 SF6负荷开关，其开关型号分别为 FLN36-12D、 FLN48-12D、 SFG-12 型及全封闭充气式 SF6负荷开关柜或真空断路器。
△电缆进线室：内装可触摸屏蔽型电缆接头有带电显示器。
△电缆出线室：按照出线分支多少装配相应数量的电缆接头及电 缆固定柜架。
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HDFW-12 outdoor high voltage cable connection boxHigh voltage cable box