Product Details
Metal Oxide 54KV 5KA Class 2 Surge Polymer Housing Lightning
Arrester for High Voltage Circuit
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.
Technical Specification:
1. The composite-sheath metal-oxide arrester applied in AC system.
1.1 Typical product parameters of composite-sheath metal-oxide
arrester used under low-voltage.
( standard: IEC60099-4, GB11032-2000, JB/T8952-1999)
Type | YH5W5-54/136 |
Rated voltage---------kV | 54 |
MCOV ----------------kV | 43.2 |
Nominal Current-------kA | 5 |
Residual voltage of steep impulse----at 5kA(kV) | 148 |
8/20µS Residual voltage of lightning impulse current kV(Peak
value)-----at 5kA(kV) | 136 |
Residual voltage of switching impulse current kV (peak value)----at
1kA (kV) | / |
1mA D.C reference voltage (kV) | 77 |
Line discharge level | 1 |
2mS long duration impulse current A | 400 |
4/10µS High current impulse kA | 100 |
Lightning impulse withstand kV | 250 |
Power frequency voltage withstand(dry/wet)kV | 140 |
0.1S TOV--------------kV | 64.8 |
1S TOV----------------kV | 62.1 |
10S TOV---------------kV | 59.4 |
1200S TOV-------------kV | 54 |
Creepage distance ----mm | 2070 |
Material employed in series non-linear resistor | Zinc Oxide |
Ambient condition:
1. Ambient temperature: -40 °c ~40 °c;
2. Sun-rays radiation: the influences of max sun-rays radiation
(note: 1.1kW/M2) have been taken into consideration through quality
pre-heated method in type test. If existing any other heat sources
around arrester, parties shall negotiate to decide whether to use
or not;
3. Altitude: not over 1000m;
4. Power supply frequency: 48Hz~62Hz;
5. The P.F. voltage which bring pressure to bear between arrester
terminals shall not exceed continuous operation voltage of
arrester;
6. Earthquake intensity: not over 7 degree;
7. Wind speed: not over 35m/s.
Company Profile
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.