This ABB Control Transformer Kit provides reliable power conversion for your control systems. With a 50VA rating and dual primary/secondary voltage options, it's designed for versatile applications. Built with a copper winding and a Class B insulation for durability and performance..The ABB PS-50-208/120 is a 50VA control transformer kit featuring a 208 VAC primary voltage and a 120 VAC secondary voltage. It is constructed with a copper winding and offers Class B insulation (130°C) with an 80°C temperature rise. The transformer operates at 50/60Hz frequency and has additive polarity. It is UL listed, CSA approved, and CE compliant. Physical dimensions include A: 3.00 in, B: 2.50 in, C: 3.27 in, D: 2.50 in, and E: 2.50 in. Mounting holes measure 0.21 x 0.625 in.