... .CH-3.5BZ4,CH-3.5BZ6,CH-5BZ4,CH-5BZ6, CH-3.5BZ4-A,CH-3.5BZ6-A,CH-3.5BZ4 ... -B,CH-5BZ6-BVoltage220v/380vPower3.5kw*4,3.5kw*6,5kw*4,5kw*6,3.5kw*3+5kw*3, 3 ... and tested to withstand the rigors of a commercial kitchen restaurant environment.Note *Special specification ... a magnet sticks to the bottom of your pots and pans, they will work. Installation condition Working voltage:3 ...