Model unit A, B, C, D, E, F, G SF-52: 58, 66.5, 4.5, 26, 40.5, 52, 39mm SF-65: 73.5, 83.5, 4.5, 3 Model unit A, B, C, D, E, F, G SF-52: 58, 66.5, 4.5, 26, 40.5, 52, 39mmApplicationsSFIM's SF, DND, SFC series meters and direct acting indicating analogue electricalmeasuring instruments. They are suitable to be used on the distribution, the controlpanel of power plant and the different apparatus to ...