Mine Explosion Proof Watt Hour Meter Box - China

Product Introduction

The watt-hour meter box is composed of the explosion-proof joint box and shell.

It's equipped with

the three-phase three-wire active(reactive) watt-hour meter, current transformer and voltage transformer

and so on.

The watt-hour meter box is mainly used to calculate active or reactive electric power energy in the

AC power system, with the frequency of 50Hz, current of 200A or 400A, and voltage of 380V or

660V in the coal mine well or other industrial enterprises, with the surrounding medium containing

explosive gases(methane).

Main Parameter



Model Rated voltage(V) Voltage transformer ratio Rated current(A) Current transformer ratio Input current cable OD, φmm

DBB-200/660(380)S 380/660 (380/660)100 200 200/5 56-63

DBB-400/660(380)S 400 400/5

Company Contact:

• Posted By: Shandong China Coal Industry & Mining Group Co.,Lt

• Phone: 008618653763332

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

• Email:

• Website: https://www.chinacoalintl.com

• 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.
  
  Our Products:
  
  - coal mining explosion proof headlight
  
  - mining head lamp ce rohs ul str
  
  - mining cap lamp light
  
  - explosion proof exit sign
  
  - bcj explosion proof emergency lighting
  
  Our Products:
  
  - coal mining explosion proof headlight
  
  - mining head lamp ce rohs ul str
  
  - mining cap lamp light
  
  - explosion proof exit sign
  
  - bcj explosion proof emergency lighting