... speed. Reliable start-up performance. Small impact on the power grid. 1.Product Introduction BPJ1 series of mining flameproof and intrinsically ... ~+40°CRelative humidity<90%, condensation is not allowedProtectionsOverload, instaneous power, phase-off, overvoltage, under voltage, short circuit, over-current, leakage ... -standing Explosion-proof and intrinsically safe AC inverter for mine use