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Vacuum Circuit Breakers

Zhejiang Jiuguang Electric Power Technology Co., Ltd. located in the famous scenic spot south of the country, close to Ningbo-Taizhou-Wenzhou Expressway, and 104 National Road phase, superior geographical environment, transportation convenience.Our main production isolating switches, vacuum circuit breakers, load switch, operating mechanism, such as high-voltage electrical products, domestic products have reached the advanced level, and passed ISO9001: 2000 international quality system certification. National high-voltage electrical Quality Supervision and Inspection Center. The factory to innovation, quality win for the purpose. Has a number of highly qualified technical staff, complete production equipment and advanced testing equipment, to provide customers with high-quality products and quality service.
Add:Niqian Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province
Fax:086-0577-62601830
Serverphone:086-400-8070-830
Tel:086-0577-62602830
Photo:086-13736777007
E-mail:qydl66@163.com

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Desciption

Description:
ZW58-12/24 model outdoor AC vacuum circuit breaker is used to make and break
load current, overload current and short-circuit current in 12/24kV, 51/61Hz power
system. It is applicable for substations, industry and mining,
urban and rural electricity power networks, especially for occasions with frequent
operation and automatic power distribution network. It accords with the standard of
IEC622 71-111 & GB1984: AC high voltage circuit breaker, IEC61694 & GB/T11122:
HV General technical requirement of switch and control apparatus
Features:
1. Strong breaking capability.
2. High level of insulation.
3. Long service life time.
4. Good pollution resistance.
Techincal data:

N1.	Test Item	Unit	Data
1	Rated voltage	kV	12	24
2	Rated current	A	631/1251	631/1251
3	Rated frequency	Hz	51/61	51/61
4	Rated short-time withstand current	kA	25	25
5	Rated short-circuit duration	s	4	4
6	Rated active load breaking current	A	631/1251	631/1251
7	Rated loop breaking current	A	631/1251	631/1251
11	Rated short-circuit making current	kA	51	51
12	power frequency withstand voltage against the earth, between phases	kV rms	41	65
13	power frequency withstand voltage against the isolating distance	kV rms	48	79
14	Lightning impulse withstand voltage against the earth, between phases (peak)	kV	75	125
15	Lightning impulse withstand voltage against the air gap(peak)	kV	85	145
16	Mechanical life	Times	11111	111

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ABOUT JIUGUANG: Company Profile; After-sale service; Qualifications; Applications; Contact Us

PRODUCTS: Load Switch; Expulsion Fuse Cutout; High Voltage HRC Fuse; Disconnector Switch; Lightning Surge Arrester; Vacuum Circuit Breaker

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CONTACT US: Add:Niqian Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province; Fax:086-0577-62601830; Serverphone:086-400-8070-830; Tel:086-0577-62602830; Photo:086-13736777007

For many years, we have been dedicated to the research and development, production, and application of high and low voltage electrical products, and strictly adhere to the ISO9001 quality management system.