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RN1 Indoor Type High Voltage limit Current Fuse

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

The product is in overload or short-circuit protection for elctric transformer. The current limiting means that the fuse will cut off the circuit before the shortcircuit current reaches the peak value.
Fusing feature：
Current which passes the fuse when being 1.3 times of its specified electric current, Do not fusing for an hour; When the current through the fuse is 2 times of its specined electric current, fusing in an hour; Refer to its fusing feature curve in chart 1 when select the fuse.
◆Structure of fuse link
The fuse pipe is the main part of fuse,it is made by installing the fuse wire in the porcelain pipe,filling the quartz sand in the porcelain pipe and sealing to-ends of pipe.For the fuse pipe with rated current below 7.5Aand 35V rated voltage,its fuse wire is rolled on the special por-
celain core,referening to chart 2.a.for the fuse pipe with rated current above 7.5A,its fuse wire is hang in the porcelain pipe,referening to the chart.

3					6					11					35
Rated current A	21	111	211	311	411	21	75	111	211	311	21	51	75	111	211	7.5	11	21	31	41
Max breaking curent KV (effective vakue)	41					21					12					3.5
The mininum breaking current Express with specified electric current multipe	nuprovide	1.3				nuprovide	1.3				nuprovide	1.3				nuprovide	1.3
Three-phase maximum breaking capacity （MVA）	211
Weight	8	8.9	11.8	15.7	15.7	8.5	9.6	13.6	13.6	17	11	11.5	14.5	21	21	11	21	27	27	27

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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.