National New Year folks Hello everyone, I 宁浩博 mining company Ji Machinery Co., Ltd. with its strong technology, excellent product quality, satisfactory service, in the market enjoy a high reputation. Intelligent integrated protection with excellent quality, trusted by the user. First-class products, good service is our consistent aim! The company is willing to friends and the community work together for common development! The staff warmly welcome the global community of companies and individuals to negotiate business for a better future! You have any questions about the company and products need advice, you can call the telephone company and we look forward to your sincere cooperation. Let me take you to understand this product:? PIR-III high-voltage power distribution intelligent integrated protection device can be used to mine high voltage distribution switchgear and high-voltage magnetic starter, covering 6kV, 10 kV voltage level, 5 ~ 630A rated working current; all-digital tuning and calibration; with undervoltage | overvoltage | overload | short circuit | Equilibrium | leakage protection (ground fault protection) | Protection insulation surveillance; with RS485 or CAN bus in the form of four remote communication function; with calendar clock ; with fault memory and query capabilities; experiment with the menu function. Functional, well-targeted, long-term stable and reliable operation. Certified by EMC testing and proof testing center. Measurement parameters 1 ,? Rated current: 5 ~ 630A 2 ,? Rated voltage: 100VAC 3 ,? Rated frequency: 50Hz 4 ,? content measurement: U, I, R, U0, I0 5 ,? Accuracy: ± 5% 6 ,? switch input methods: optical isolation 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 ℃ pm) 4, no obvious damage to the insulation in atmospheres 5, 6 place to prevent dripping, installed in 6kV or 10kV distribution equipment explosion chamber for explosive gas (methane mixture) in the standard configuration PIR- mine III-RK ?????????????????????? PIR-III-RX host a ????????????????? ?????????? ???? host a zero-sequence current transformer a ???????? zero sequence current transformer a current transformer 2 ?????? ?????????? monitor displays a ??????????????????????? a data line two data lines 2 ??? ????????????????????? a terminal element terminal element one? These are the introduction of this product, if you have any questions please contact us, it can be company site visits.