Product Details
0.25~500kV Polymer(Pocelain) Housed Gapless Surge Arrestor
Lightning
Product characteristic:
1. Small size,Light weight,resistance to impact,no collision damage
during transportation,flexible installation,suitable for use in the
switch cabin.
2. Special structure,the overall compression molding,no air
gap,good sealing performance,moisture-proof and explosion-proof
3. Large creepage distance,good hydrophobicity,strong stain
resistance,stable performance and reduce operation maintenance.
4. Unique formula of zinc oxide varistor, small leakage
current,slow aging,long service life.
5. With DC reference voltage,rectangular flow capacity and high
current and large current withstand capacity are higher than
standard requirement.
Application: The zinc oxide arrester is mainly used to protect
distribution transformer,cable connector and electrical equipment
from being damaged by lightning impulse voltage and operating
over-voltage.
Usual Service Condition:
1) Environment temperature: -40--+40 degree
2) altitude: <1000m
3) 48HZ
4) Power frequency voltage should not be more than continuous
running voltag
5) Max wind speed should be less than 35m/s
6) Earthquake intensity should be less than 7 degree
7) If used in contamination area, should be noted in advance.
Polymer Surge Arrester

Company Profile
Hangzhou Yongde Electric Appliances Co.,Ltd
Hangzhou Yongde Electric Appliances Co.,Ltd was founded in 1993. As
a high-new-tech enterprise in Zhejiang province, it is about 15
kilometers from downtown area.
Our Company is one of the recommended model companies for national
power grid construction and transformation. We specialized in
manufacturing of 0.22-500kv metal oxide arrester of all types and
applications and 10-252kv outdoor high-voltage disconnecting
switch.
Currently, our company employs 180 Staffs, with 23
technically-titled and 15 senior technical title holders, who
organize a high standard scientific research and development team.
Every year we invest many research funds for new product
development and acquiring advanced production and testing equipment
each month.
Through developing new generations of high-tech products, the
technology and production level maintains a leading position in the
national level.
The newly developed GW37, GW38 series outdoor high-voltage
disconnecting switch have been proved by authorities, which has
achieved ideal operating results and won good praise from users.
Our company has a variety of CNC equipments of over a hundred
units. In 2001, our company passed the ISO9001 quality inspection,
and in August 2010 adopted itself to the ISO9001-2008 version of
reinspection.
The annual production capacity of the company is about Sixteen
million U.S Dollar, with well equipped means of inspection for raw
materials and purchased spare parts. Each procedure in the
manufacturing process is under strict control and supervision. The
inspection equipments and instruments are advanced and reliable
which effectively guaranteed our product quality.
Yongde holds the quality policy of being 'the technical forerunner,
supreme in quality, supremacy of customers, and innovative
progressing', so that our products and services successfully
satisfied our users. We warmly welcome friends and customers from
home and abroad to contact for exchanges and corporations. We also
welcome feedbacks from our user communities.