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: 4016Z series combination of intelligent integrated protection switch (hereinafter referred to as the protector), is a leading design success using advanced microprocessor technology, can be used in explosive gas (methane) environment and coal dust coal mine intelligent multi-functional integrated protection, with 380V, 660V, 1140V voltage level of the various models combined switch starter and load centers supporting the use, in order to achieve a variety of protection and control functions of the above logic power supply system It is a very suitable model protection in China is widely used in the coal industry. ? 1 ,? measurement technology parameters Rated current: 10 ~ 500A ?? 2 ,? Rated voltage: 20VAC 3 ,? Rated frequency: 50Hz ??? 4 ,? measuring content: UA, UB, UC, I, R, cosφ, U0, I0, temperature, gas 5 ,? Accuracy: ± 3% 6 ,? switch inputs: optically isolated 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 keyboard standard configuration where a board a substrate 1 to 2 ( a pilot on board and its (optional, available with 10 loops), 1 to 9 driver board) transformers (drive plate number * 3) above is the introduction of this product, if you have any questions please call counseling, can also visit the site inspection.