EF-20x10mm Series Unit: in mm Catalog No 1) Catalog Number System : ) VXX XX-XX X X X X Ta:5 stands for T50B, 7 stands for T70B P: Encapsulated transformer Series No. Secondary Circuitry Stack Thickness Input voltage Code:AJ=230v50Hz EI size -V: VDE type 2) Inherently short-circuit proof safety isolating transforme 3) * - Inherently short-circuit proof isolating transformer 5) Weight per unit: approximate 35gm