A Spanish-made three-phase autotransformer from Manumag, green in color and in a metal casing designed for ground installation to raise or lower industrial electrical voltages. Transformer characteristics: • Device Type: Three-phase autotransformer. • Country of Origin: Spain (Manumag brand). • Usage: Electrical voltage conversion (such as raising or lowering voltage between 220V and 380V or 480V and vice versa). If you need assistance, can you clarify: • Capacity 20KV • Current voltage and required voltage 220/380/480 I can provide you with more accurate information regarding compatibility and usage. Please contact via WhatsApp only.