TU-BPJ1 series mining explosion-proof and intrinsically safe inverter (Exd[ib] Ⅰ Mb) is designed for occasions containing explosive gases in coal mines, oil and gas chemical industry, military industry and other industries. The power is AC660V or AC1140V, covering 22kW~1000kW, and can drive asynchronous Motors and permanent magnet synchronous motors are available in two-quadrant and four-quadrant models.