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    Product Introduction

    1.The advanced CPU technology is adopted in the protector, which has enhanced the independence

    of individual parts of function and the practicability of the system.Besides, the high- resolution A/D converter and and the detection method of single range measuring are also used in the device, which

    has greatly enhanced the accuracy of data collection.

    2.It adopts blue-backlight Chinese LCD monitor, which enable data and all operations more intuitive.

    3.It has the function which can detect and display a power factor and imbalance degree of each phase

    current as well as electricity consumption and real-time clock and so on.

    4.It can provide protection in such cases as overload, short circuit, electricity leakage, insulation monito

    ring, overvoltage, undervoltage, three-phase imbalance etc.

    5.It has the RS485 communication function, 2-999 pieces of protectors can be connected into a network, accessing a local area network or the Internet

    through the couple .

    Main Parameter

    Rated voltage 6kV

    Maximum working voltage 7.2kV

    Rated current 200A

    Rated frequency 50Hz

    Rated short-circuit breaking current 10kA

    Rated(peak) short-circuit switching current 25kA

    Rated peak withstanding current 25kA

    Rated short-time withstanding current 10kA

    Rated thermal stable time 2s

    Rated breaking times of the short-circuit current 16 times

    Company Contact:

    • Phone: 008618653763332

    • Address: No.69 Huoju Road, New & High Zone, Jining, China

    • Email: Email

    Published date: October 8, 2013 -

    • Business Description: Shandong China Coal Industrial&Mining Supplies Group Co.,Ltd

      (hereinafter referred to as china coal) is a group company, which is a

      collection of e commerce, machinery manufacturing, software, research

      and development, modern logistics of large diversified industrial group.

      The group has 100 million yuan registered capital , with more than 1100


      China coal is a professional manufacturing base of mines support equipment, transport equipment, lifting equipment, spray equipment, drilling equipment, ventilation equipment, lifting equipment and other products, as well as research and development new product and mine construction products with advanced high technology.

      In order to development of international trade , expansion overseas market, china coal established international trade branch company and import and export branch company. China coal actively expand foreign trade channels based on a good market image, brand, modern information platforms and capital protection. Based on the trading diversification strategy, the group established a chain loop trading system which is with import and export trade of the mining equipment as a core, the resources and market as the elements. China coal also formed a overseas sales team, that covers English, French, German, Portugal, Italy, Russian, Korean, Japanese, Arabic, and more than 10 language professionals to explore broader international markets on the Internet. At present, the group signed up for "china coal" trademark in the European Union, United States, Russia, United Kingdom, Taiwan, Macao, Singapore, Indonesia, Israel, and other countries, also get the right to use the trademark of the United Kingdom and Taiwan. Hundreds kinds of products such as tunnel boring machine, coal cutter machine etc. is exported more than 60 countries and regions which are the United States, Australia, Germany, Russia, Spain, France, Canada, United Kingdom, Italy, Portugal, Georgia, Austria, and Colombia. China coal is to establish long term, broader economic and trade cooperation and strategic partnership with a number of large state owned enterprises and customers, and won the unanimous approval of them.

      China coal has succeeded in passing a number of certification systems which are ISO9001, 2008 quality management system certification, United States ANAB management system certification, United Kingdom international authoritative certification bodies UKAS quality management system certification, SGS certification (made in China), Alibaba GIS certification. She has also obtained a variety of honor which are China excellent enterprise of mechanical industry, China equipment manufacturing operation top 10 enterprises, national reputation for quality assured supplier, China credit certification system demonstration unit, national quality trustworthy product for conformity assessment, national consumer satisfaction units, China AAA level quality trustworthy enterprise and Chinese e commerce company credit rating AAA level credit Enterprise.

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