1.CBQ53 Explosion-proof Electromagnetic Resistant Starter 2.Can be used in Zone1and2 places ... 4.OEM 5.CE,CB CBQ53 Explosion-proof Electromagnetic Resistant StarterCBQ53 Explosion-proof Electromagnetic Resistant Starter (ⅡB,ⅡC) can be used ... ⅡB,ⅡC group explosive atmosphere. in addition, CBQ53 Explosion-proof Electromagnetic Resistant Starter is suitable for IEC60079 standard request. CBQ53 Explosion ...