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Kjj18 Mine Safety Ring Network Switch - China

price: contact company for price

KJJ18 Mine Safety Ring Network Switch Product Summarize

KJJ18 Mine Safety Ring Network Switch is KJ91N type (A) of coal mine safety monitoring system of the main equipment. Because of the bad coal mine working environment, the switch adopts redundant network, power network self-healing, break fast recovery and other advanced technology, great satisfaction in the coal mine complex extreme working conditions.

The switches for the mine intrinsically safe products, explosion-proof marks is Exib Ⅰ, can be applied in the coal mine gas and dust in dangerous places.

1, KJJ18 Mine Safety Ring Network Switch associated equipment: KDW660/18B Flameproof and Intrinsically Safe Explosion-proof type DC power supply: flameproof and intrinsically safe; Certificate of Conformity: 320110604;

2, KJJ18 Mine Safety Ring Network Switch mating equipment: KJ91N (A)-F type mine intrinsically safe monitoring sub-station.

Explosion-proof type: Mine intrinsically safe;

Certificate of Conformity 320110527;

KJJ18 Mine Safety Ring Network Switch Product Features

1, using industrial components and specially designed to ensure the high reliability of the product;

2, can be in extreme temperature range and stable work, can adapt to the industrial field of harsh working conditions;

3, provide double power supply is used to protect, when all the way power failure equipment can work normally;

4, network flexibility, can self-healing ring network composed of optical fiber, super Ethernet self-healing ring network, or photoelectric combination ring;

5, support electric automatic consultation function, do not need to configuration, can automatically consistent with the mouth is set to end electricity;

6, compatible with RS485 communication, TCP/IP mode;

7, have two way optical communication interface, which can realize ring network.

Explosion proof KJJ18 Mine Safety Ring Network Switch Technicals

1, switch Operating voltage 18±0.5V/12±0.5V。

2, Number of Ethernet interface optical signal interface 4;

Transport: full duplex TCP/IP transport protocol, the wavelength of 1310 nm single-mode fiber;

Adaptive transmission rate: 10/100;

Light emitting power:≤-5dBm;

The light receiving sensitivity ≤-20dBm;

To KJ91N (A) - maximum transmission distance between J data transmission interface: 20 km {use MGTSV - (2, 4, 6, 8, 10, 12) type A cable}.

3, Ethernet signal interface performance (the interface) interface quantity: 6;

Transport: full duplex TCP/IP transport protocol;

Transfer rate: 10/100 MBPS adaptive;

Signal voltage fengfeng value: 1 v to 5 v;

To the maximum transmission distance between substation equipment: 5 m (MHYVR cable, cable distribution parameters: distributed capacitance: 0.06 u F/km or less; stray inductance: 0.8 mH/km or less;

Dc resistance: 12.8 or less Ω/km).

4, Interface RS485 signal interfaces (the interface) quantity: 6;

Transport: half duplex RS485 signals, the double polarity;

Transfer rate: 2400 BPS;

Working voltage signal peak ≤12V;

To the maximum transmission distance between substation equipment: 10 km (MHYVR cable, cable distribution parameters: distributed capacitance: 0.06 u F/km or less; stray inductance: 0.8 mH/km or less; dc resistance: 12.8 or less Ω/km).

5, intrinsic safety parameters Ui DC18.3V;Ii 840mA;Ci 1.1µF;Li 0µH


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

    employees.

    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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