High Voltage Zinc Oxide Lightning Arrester

Zinc oxide detachable outdoor high-voltage arresters are used to protect electrical equipment such as distribution transformers and cable heads from atmospheric overvoltage damage.

The zinc oxide detachable outdoor high-voltage arrester is a distribution-type zinc oxide arrester that is modified and cleverly installed on the drop-type mechanism of the drop-out fuse. In the case of uninterrupted power, the arrester can be easily operated with the help of the insulated switching lever. Detection, repair and replacement not only ensure the smooth flow of lines, but also greatly reduce the work intensity and time of power maintenance personnel. It is especially suitable for places where power outages are not suitable, such as postal and telecommunications, airport stations, hospitals, bustling commercial areas, etc. Other properties of the product are the same as those of distribution type arresters.
The second generation zinc oxide detachable outdoor high-voltage arrester adds a disconnector. When the arrester fails abnormally, the power frequency short-circuit current is used to make the disconnector operate, so that the ground terminal of the disconnector automatically disconnects, and the arrester element falls down and exits operation. This prevents further accidents and makes it easy for maintenance personnel to find out in time for maintenance and replacement. The principle of falling is similar to that of a fuse, where the fuse is blown and causes the fuse tube to fall.
Our company adopts the current international RW12 type drop mechanism, which has reliable contact, flexible opening and closing, and adopts advanced accessories such as composite pillars and stainless steel covers, which have the advantages of good anti-fouling and anti-corrosion. There are two types of disconnectors: hot melt type and thermal explosion type. The hot melt type disconnector is simple and economical; the thermal explosion type disconnector has the advantages of fast action speed, wide operating current range, and can withstand specified current impact and action load.

1. The arrester unit can be loaded and unloaded at any time while it is powered on, especially suitable for places where power outages are unfavorable.

2. With a disconnector, when the arrester unit fails, it can automatically fall down and exit operation, and the faulty line can operate normally.

3. Due to the failure of the unit, the unit will fall and form an obvious mark, which is easy to find and repair and replace in time.

4. The lightning arrester adopts a composite jacket, and the drop mechanism adopts a composite pillar, which has good hydrophobicity and strong stain resistance.

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