YB2 Flameproof Three-Phase Induction Motor applies to the working place of the factories which ... contain the explosive gas mixture Flameproof Three-Phase Induction Electric Motor YB2 Rated Voltage (V) 380,660,1140,380 ... 2~8 Cooling Model IC410/IC411Insulation GradeF Flameproof Three-phase Induction Electric Motor YB2