PowerLogic. Current transformer TI, type MB - for cables up to DM 26 mm and rail profile up to 12 x 40 / 15 x 32 mm. Transformer TI 300/5. Size_Ipn_5A 300, power VA GKl 0.5 4, power VA GKl 1 6. Dimensions (WxHxD) 60 x 85 x 63 mm. Transformer ratio of primary current lpn to secondary current Isn of 5 A for measuring devices. Rated operating voltage Ue max. 720 V, frequency 50-60 Hz. Safety factor 40-4000 A FS 95%.