1. Small size, light weight, can be suspended installation, effectively saving floor space.
2. Good sealing performance, moisture-proof and explosion-proof, no explosion risk.
3. High mechanical strength, not easy to damage, easy to transport and installation.
4. Good hydrophobicity and strong pollution resistance.

Product Description

Polymeric housed metal oxide arrester of 10-35kv with release is equipped with special insulated backing plate and mounting support,upper bolt of release is connected with the bottom of arrester directly,and the lower bolt is connected with the earth wire.

Release of arrester is aimed at automatic tripping when the arrester comes across failure,power frequency short-circuit current drives the release to operate,and earth terminal of release will trip automatically,so as to disconnect the failed arrester from the system ,operator should change it.In order to accomplish this object,the release must be featured with quick-acting characteristic and capability of withstanding prospective current impulse and operating duty.

Details Images

Structure feature

The release must be able to operate at fault current,and the operating characteristics are in accordance with requirements stipulated by standard Gb11032,we have carried out the operating ampere-second characteristic test at power frequency current 800A,200A,20A,and 5A (effective value) in High Power Test Station of Xi’an Electro ceramic Research Institute,test results as shown in the table.

Main technical parameters

Packing&Shipping

Company Introduction

China YIFA Holding Group Co.,Ltd.is a national high-tech enterprise group.It is among the top 500 Chinese enterprises,the top 500 Chinese leading mechanical enterprises and National Spark Plan enterprises.Known as a brand-name product and a famous trademark in Jiangxi Province,YIFA has been appointed as a major supplier by the State Grid,the China Southern Power Grid and national water system.We welcome new and old customers from all walks of life to contact us for future business cooperation relationships and mutual success.