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    Drop Type Composite Jacket Zinc Oxide Lightning Arrester

    Ensure robust surge protection for your power infrastructure with the Drop Type Composite Jacket Zinc Oxide Lightning Arrester. Designed for AC transmission lines (10kV-220kV), this arrester combines zinc oxide (ZnO) varistors and a high-strength composite silicone rubber jacket to clamp lightning overvoltages swiftly, reducing system tripping rates by 65%+. Its drop-type (suspension) design allows easy installation on transmission towers, while the gapless structure ensures maintenance-free operation for over 25 years. Ideal for coastal grids, mining zones, and mountainous regions, it withstands extreme temperatures (-50°C to +80°C), UV radiation, and salt spray corrosion.
  • Category:
    Lightning Arrester
  • Browse number:
    26
  • Release time:
    2024-10-22 01:48:34
  • Share:
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Overview 

Throwable and detachable Lightning Arresters are ingeniously installed on the drop out mechanism of the drop out fuse after people modify the Zinc oxide lightning arrester, achieving the ability to use insulation to pull the switch without interruption of power The control stick facilitates the inspection, maintenance, and replacement of lightning arresters, ensuring smooth operation of the power line and greatly reducing the workload and time of power maintenance personnel. It is particularly suitable for places where power outages are not allowed, such as postal and telecommunications, airports, stations, hospitals, and bustling commercial areas. The other performance of the product is the same as that of the distribution type lightning arrester.

The Drop type lightning arrester has added a detachment device. After the lightning arrester is struck and electrified, if the appearance of the lightning arrester is not damaged, it is difficult to detect it manually with the naked eye, which makes it difficult to find the fault point for repair On the one hand, it is time-consuming, and on the other hand, it inherits the characteristics of Detachable lightning arresters. After an overcurrent fault occurs, the lightning arrester is still connected to the power grid, and when replacing it with a new one, either live operation or power outage due to line disconnection is required Causing trouble for repair and replacement work, and also delaying the restoration time of the power grid.

When an abnormal fault occurs in this drop type lightning arrester, the power frequency short-circuit current is used to activate the disconnector, causing the grounding Terminal of the disconnector to automatically disconnect, causing the lightning arrester components to flip over and exit operation to prevent accidents Further expand and make it easy for maintenance personnel to detect and replace in a timely manner. The flipping principle is similar to that of a fuse, where the melting of a fuse causes the melting tube to flip over. Our company has adopted Thermal explosive disconnector has the advantages of fast action speed, wide action current range, and the ability to withstand specified current surges and action loads.

 


Parameter Table

Model

system voltage

(KV)

Rated voltage

(KV)

Continuous operation

Voltage (KV)

UImAD.C

≮KV

Nominal discharge current

Residual voltage VKV

2ms square wave pass

Flow capacity (A)

YH5WS-10/30DL61081530100
YH5WS-10/30DL-TB61081530100
YH5WS-17/50DL10171362550100
YH5WS-17/50DL-TB10171362550100
YH5WZ-17/45DL10171362445100
YH5WZ-17/45DL-TB10171362445100


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