International standard EI-Lamination which is used for tansfrmers Customize dimensions are available. Model No: EI A, for examples: EI 8-28, Dimension: mm (EI mono-phase) EI Lamination outside structure &code number EI-28EI-28.2EI-30EI-35EI-40EI-33EI-38.4EI-39EI-41EI-42EI-48EI-54EI-57EI-60EI66EI78EI75EI76.2EI78EI94EI-84EI-85.5EI-96EI-100EI-102EI-105EI-114EI-120EI-144EI-132EI-133.2EI-150EI-152.4EI ...