elma TT Current Transformers Isolation transformer 623851 - elma TT IZ3182, The Elma TT IZ3182 is an isolation transformer designed for automation and safety applications. It provides a 1 x 230 V to 400 V output with a power capacity of 250 VA and a current of 1.10 A. This transformer is commonly used in universal transformer and power transformer setups. Elma TTIZ3182 Isolation Transformer 230V 250VA 1.10A Welded Base Plate