DK-21 Single Phase Fully Automatic 4 Pole Pump Panel is designed for efficient and reliable control of single-phase submersible and water pump motors. The panel provides both automatic and manual operating modes, allowing convenient control according to the application requirement. The panel is equipped with an electronic control circuit, contactor-based switching arrangement, starting and running capacitors, terminal connections and electrical protection components. These components are neatly arranged inside a sturdy metal enclosure to provide organized wiring and convenient maintenance. The front panel includes a digital display and operating indicators for easy monitoring, along with ON, AUTO/MAN and OFF controls. The 4-pole switching arrangement provides effective switching and isolation of the connected motor circuit. DK-21 is suitable for residential, agricultural, borewell, irrigation and general water pumping applications where reliable single-phase pump control is required.