Rudrashakti electronics offers a range of electrical equipment such as pf/kvr controller [apfc relay]. These pf/kvr controllers are available with salient features such as 415 v ac voltage, 50 hz [110 vac on request]; 5a ct secondary [1a on request]current; 5a 230 v ic resistive o/p switching capacity; model pfr 941 for equal kvar, 4/8/12/16/20/24 stage control steps, model pfr 942 for unequal kvar, 4/8/12/16 stage control steps and 144 mm x 144 mm front, 138 mm x 138 mm panel cut-out size.