Explosion-Proof Overvoltage Protector

Explosion-Proof Over-Voltage Protector

Applicable voltage ：3~35KV

Description
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Special purpose surge arrester is consisted of four star connection element and base. It is mainly used in power plant, substation and plant power system. For generator, transformer (including electric furnace transformer), switch, generatrix, motor and other electric equipment except limiting atmospheric overvoltage protection, also can limit over-voltage of power system operating at the same time, reliable protection of electrical equipment insulation. This product can be used as 3~35KV neutral point grounding overvoltage protection of electrical equipment in the ac power system.

Scope of application

Operating temperature is -40℃~+40℃，altitude less than 1000m，maximum wind speed less than 35m/s,power supply frequency is 48 Hz~62 Hz, supply for absorber power frequency voltage between terminals shall not exceed absorber of continuous operating voltage

Test method and the attention items

1.DC 1mA reference voltage test, test values shall conform to the requirements of Table1.

2.leakage current value of 0.75 times DC1mA reference voltage must less than 50μA;

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1. The user should provide the relevant system rated voltage, primary system diagram and cabinet size diagram as the basis for the design of the overvoltage monitoring and suppression cabinet. 2. The size of the cabinet can be finalized only after it is designed by our company’s engineers and signed and confirmed by the user.
3. The user should clarify the functions of the device (including basic functions and optional functions). If there are any special requirements, they should be put forward when ordering.
4. If you need other additional accessories or spare parts, please indicate the required “name, specifications and quantity” when ordering

Packaging, transportation and storage
1. Packaging: Generally, it is packaged in wooden boxes, and the base of the cabinet should be fixed on the bottom plate of the packaging box;
2. Transportation: It is not suitable to be transported over long distances on highways below level three. The packaging can be dismantled when necessary. Important components should not be transported by road as much as possible; 3. Storage: When not used for a long time, it should be stored in a dry and ventilated warehouse and should not be outdoors for a long time. store.

Installation, commissioning and maintenance

1. Our company is responsible for drawing design and parameter selection according to the user’s requirements. After the equipment is assembled and debugged, it can only be shipped out of the factory after passing the inspection by professional inspectors. If the user needs it, our company can be responsible for on-site guidance and debugging services, and the user will provide necessary cooperation and assistance;
2. The equipment does not require maintenance and repair when it is working normally;
3. As long as the user abides by the rules of storage and use, if the product is damaged and cannot work properly due to quality reasons within 12 months from the date of shipment, the company will replace or repair the product free of charge for the user;
4. The company implements lifelong maintenance of equipment and provides spare parts at preferential prices for a long time.

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