C.R.I. Control Boxes are made of hi-tech components and designed to perfection with various features to give ultimate protection to the prime movers such as Submersible motors; Centrifugal pumps etc. (All the C.R.I. single-phase submersible motors are supplied with suitable control boxes, which is mandatory). Different types of single-phase and three-phase control boxes are available which can be selected according to the control measures and features required.