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Kbz9 Mine Explosion Proof Vacuum Feeding Switch - China

price: contact company for price

Product Introduction

KBZ9 series mine explosion proof feed switch (hereinafter referred to as feed switch) is suitable for underground coal mine contains explosive gas (methane) mixture, as main switch or branch switch in the power supply system, with the frequency of 50Hz, voltage of 1140V/660V and current of 200A to 400A. And also can be used as the large capacity motor for starting without frequently controlling. Meanwhile the signals from wind and electricity interlock control will be introduced.

Implement standards of feed switch: Q/ZD06-2006«Mine Explosion Proof Vacuum Feed Switch»and MT 871-2000«Mine Explosion Proof and Low-voltage AC Vacuum Feed Switch».

Main Parameter

a)Rated working voltage;1140 (660)V, 660(380)V

b)Rated working current;200, 400A

c)Rated working system; long-term

d)Max breaking capacity;1140V, 7.5kA

e)Operation mode;Manual closing or opening

f) The acting time of leakage resistance pass through 1KΩ; as a branch switch≤30ms;as a main switch≤100ms(no delayed),


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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