... No.CH-3.5BZ4,CH-3.5BZ6,CH-5BZ4,CH-5BZ6, CH-3.5BZ4-A,CH-3.5BZ6-A,CH-3. ... BVoltage220v/380vPower3.5kw*4,3.5kw*6,5kw*4,5kw*6,3.5kw*3+5kw*3, 3.5Kw*4+1.9kwWorking ... low power protect4.Prevent lampblack5.Prevent oil pollution erosion6.Waterproof7.No fire,no flame,cool working condition.8.Triple ... , they will work. Installation condition Working voltage:3 phase 5 line/380vMaximum wave voltage:340-380vWorking ...