? PIR-800II feed Intelligent integrated protection device for my company's second-generation intelligent protection system for mine feed switch covers 380V, 660V, 1140V voltage rating, 5 ~ 1000A rated current, all-digital tuning. With undervoltage | overvoltage | overload | short circuit (phase-sensitive) | Unbalanced | break with | Wind Power | Gas | close circuit voltage monitoring | metering electrical degrees | Temperature protection | leakage blocking | leakage protection | selective leakage and other protection; with four remote RS485 communication function; with fault memory and inquiries; with test functions via the menu. It is the highest market share of domestic products. Certified by EMC testing and proof testing center. Note: For side shell electric sub-closing rated current mine 1 ,? Feed Switch Measurement parameters: 5 ~ 1000A 2 ,? Rated voltage: 10VAC 3 ,? Rated frequency: 50Hz 4 ,? measurement content: UA, UB , UC, Usys, I, R, U0, I0, cosφ, temperature, gas 5 ,? Accuracy: ± 3% 6 ,? the switch input methods: optical isolation 7 ,? electrical metering degree: Accuracy 6 ‰ Ambient 1 , altitude does not exceed 2000m, pressure is 80kPa ~ 110kPa 2, ambient temperature of -5 ℃ ~ + 55 ℃ 3, ambient air relative humidity less than 95% (+ 25 ℃ when) 4, no obvious damage to the insulation of the atmosphere 5, to prevent dripping local standard configuration PIR-800II (one) ??????????????????????? PIR-800IIF (split) ???? ? Host a ?????????????????????????????????? host a summation current transformer 1 ?? ????????????? zero sequence current transformer a current transformer 3 ??????????????????????? current transformer is 3? 1 ?????????????????????????????????? power supply connector 1 set a ?? ????????????????????????????? display a ?????????????????? ?????????????????????????????? data lines a ???????????????? ???????????????????????????????? connector as set ???