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电缆护层保护接地箱
电缆护层保护接地箱
Protective earthing box for cable protective layer
单相接地保护箱
Single-phase grounding protection box
三相六线接地保护箱
Three phase six wire grounding protection box
以下为厂家参数
The following is the manufacturer's parameters
2电缆护层交叉互联箱
2 cable shield cross interconnected box
电缆护层交叉互联保护接地箱内含有电缆护层保护器、连接铜排、铜端子等，用于电缆护层的保护接地。电缆护层交叉互联保护接地箱外壳及连接螺栓全部采用不锈钢材料，耐腐蚀性能优良。
The cable interlayer protection interconnect box contains cable
sheath protector, connecting copper bar, copper terminal and so on,
which is used for the protective grounding of cable sheath. The cross
connection protection layer of the cable sheath is made of stainless
steel and the corrosion resistance is excellent.
电缆护层交叉互联保护接地箱导电连接全部采用螺栓压紧结构，安装简单，便于预防性试验时拆装。内部保护器选用硅橡磁针氧化锌电阻片保护器。导电连接件全部镀锡处理，导电性能可靠。绝缘支撑件均采用防潮处理。(公众号：输配电线路)
The cross connection protection layer of cable sheath, the
conductive connection of the grounding box is all made of bolt pressing
structure, and has simple installation, which is convenient for
disassembly and assembly during preventive test. The internal use of
silicone rubber needle protector Zinc Oxide resistance sheet protector.
The conductive connectors are all tinned, and the conductivity is
reliable. The insulation support is moisture-proof. (public number:
transmission and distribution line)
电缆交叉互联保护接地
Cable cross interconnected protection grounding
3电缆护层保护器
3 cable protector
电缆护层保护器应用于单芯电力电缆线路中，限制电缆金属护层上的感应过电压，确保电缆护层绝缘不被过电压击穿。(公众号：输配电线路)
The cable protector is applied to the single core power cable line,
limiting the Induced Overvoltage on the metal shield of the cable to
ensure that the insulation of the cable shield is not broken through by
overvoltage. (public number: transmission and distribution line)
电缆护层保护器采用ZnO压敏电阻作为保护元件，没有串联间隙，保护特性好，具有优良的伏安特性曲线。
The cable sheath protector adopts ZnO varistor as protection
element. It has no series gap, good protection characteristic and
excellent volt ampere characteristic curve.
4护层绝缘监视箱/电缆接地环流监测箱
4 shield insulation monitoring box / cable earthing circulation monitoring box
The insulation monitoring box of the protective layer is used for
the high voltage single core power cable line, detecting the ground
current of the metal sheath of the power cable and monitoring the good
condition of the ground insulation of the cable sheath. The insulation
monitoring box of the protective layer can alarm when the cable sheath
is broken, and a over current relay protection device is set up. The
user can adjust the action current of the device; with a knife switch,
the fault cable can be cut through switch switch when the fault is
broken. (public number: transmission and distribution line