VARIABLE TRANSFORMER E2 2422 530 11407 Approved by SEV 1) Core Size Molded type code E2 2) Application This panel model will find his main application in those cases where load potentiates or adjustable series resistors are used. It can also successfully replace tapped transformer in some types of inductive voltage control. 3) Description The transformer fs molded in reinforced polyester resin.The construction is rugged and professional, the winding is protected by molding.