Control Panel


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.


Power Range 0.5 – 3 HP Single phase, 0.5 – 125 HP Three phase
Method of connection Single Phase : Capacitor Start & Capacitor Run (CSCR) –
Capacitor Start & Run (CSR)
Three Phase : Direct On Line Starter (DOL) : 0.5 – 125 HP
Star Delta Starter (SD) : 7.5 – 125 HP
Degree of Protection Degree of Protection : IP 55 & IP 52


  • Incorporated with surge arresters to protect the pumping system from Lightning/High voltage surges
  • Technically advanced, highly sensitive pump protection relay (PPR) enables immediate tripping of power supply in overload and under load conditions
  • Protects the pumpsets against dry running by sensing the current
  • Quick tripping in phase failure and imbalancing voltage conditions
  • Control boxes with PPR, comprises of auto start provision and phase sequence protection
  • An option for float switch is provided in control boxes with PPR, for the automatic operation of the pumpset based on water level
  • Provision of Ammeter and Voltmeter to check the Current and Voltage in specific models
  • Attractive powder coated sheet metal enclosure.

Materials of Construction

Part Name Material
Body MS- Power coated / Stainless Steel / Plastic


  • Controlling & protecting all kinds of prime movers especially submersible motors , Centrifugal pumps etc, used for various applications.



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