
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.
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.