Quality is an eternal theme. Market is the sea, the quality of the ship, the brand is a fan. The quality of today's and tomorrow's market. Build quality of the Great Wall, China Xing economy. For your business to provide multi-faceted services. ? PIR-400II magnetic starter intelligent integrated protection device for the second generation of intelligent integrated protection device for magnetic starter mine, covering 380V, 660V, 1140V, 3300V voltage rating, 5 ~ 630A rated current, all-digital tuning. With undervoltage | overvoltage | overload | short circuit | Unbalanced | break with | Wind Power | Gas | Temperature protection | leakage lockout protection; with fault memory and query capabilities; with four remote RS485 communication function; with test function menu . Certified by EMC testing and proof testing center. ? 1 ,? measurement technology parameters Rated current: 5 ~ 630A 2 ,? Rated voltage: 10VAC 3 ,? Rated frequency: 50Hz 4 ,? content measurement: U, I, R, temperature, gas 5 ,? Accuracy: ± 5 % 6 ,? switch input methods: optical isolation ,? power level measurement 7: 6 ‰ precision environment 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 local standard Host a current transformer 3 power a set of connectors