VARIABLE TRANSFORMER E4 2422 530 13407 Approved by SEV 1) Core Size Molded type code B4 2} Application “This pane model is used for industrial and professional equipment. ) Description The transformer is molded in reinforced. polyester resin The construction is rugged and professional, the winding s protested by molding The mounting hole pattern is simple, the support area is relatively wide and therefore fhe transformer can be mounted on thin chassis or panels.