... introductionBPJ1 series of mining flameproof and intrinsically safe AC inverter is a type of high-tech products combining with ... 40°CRelative humidity<90%, condensation is not allowedProtectionsOverload, instaneous power, phase-off, overvoltage, undervoltage, short circuit, over-current, leakage etc ... natural coolingInstallationFloor-standing mining explosion-proof and intrinsically safe AC inverter