123-5703, RS PRO, RS PRO 500VA 4 Output Chassis Mounting Transformer, 4 x 0-55-60V ac, IEC 61558-2-4, Brand RS Pro, Primary Voltage Rating 230 → 400V ac, Secondary Voltage Rating 4 x 0-55-60V ac RS PRO 500VA 4 Output Chassis Mounting Transformer, 4 x 0-55-60V ac, IEC 61558-2-4