Ji 宁浩博 mining Electric Co. to the quality of the market, to be effective management, work hard, work, create quality products, adhere to the principle of the supremacy of credibility for the community to provide first-class products, reasonable prices. PIR-700-type feeder intelligent integrated protection as follows: Product Features: This device is used to feed mine intelligent switches, covering 380V, 660V, 1140V voltage level, 20 ~ 630A rated current, all-digital tuning. With undervoltage | overvoltage | overload | short circuit | Unbalanced | break with | Wind Power | Gas | metering analog electrical degrees | leakage lockout | leakage protection | selective leakage protection function; with four remote RS485 communication function; with fault memory and query capabilities; experiment with the menu function. An economic product. Testing by EMC test and proof testing center. Note: For side shell electric sub-closing switch using mine environment by feeding an altitude of no more than 2000m, the air pressure is 80kPa ~ 110kPa 2, the ambient temperature is -5 ℃ ~ + 55 ℃ 3, ambient air relative humidity less than 95% (+ 25 ℃ when) 4, no obvious damage to the insulation of 5 atmospheres, to prevent dripping place measuring technical parameters 1, Rated current: 20 ~ 630A 2, Rated voltage: 10VAC 3, Rated frequency: 50Hz 4 measuring content: U, I, R, U0, I0 5, Accuracy: ± 3% 6, the switch input methods: optical isolation 7, measurement power level: 6 ‰ precision than is PIR-700 feeder intelligent integrated protection device For more information, if you feed PIR-700 intelligent integrated protection device price, manufacturer, model, pictures have any questions, please contact us at: 186-1368-7339 our high-quality products are sold to Beijing, Tianjin, Hebei Shanxi Changzhi, Datong, Jilin, Heilongjiang, Shanghai, Jiangsu, Zhejiang, Anhui, Fujian, Jiangxi, Shandong, Huaibei ,, Hubei, Hunan, Guangdong, Guangxi, Hainan, Chongqing, Sichuan, Guizhou, Yunnan, Tibet, Shaanxi, Gansu, Qinghai, Ningxia, Xinjiang, Liaoning, Cangzhou, Zhangjiakou, and other parts of the country.