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■Equipment Profile:

    The utility control cabinet has the functions of overload, short circuit, phase absence protection and complete state display. It also has single pump and multi-pump control mode, various switching modes of main and standby pumps and various starting modes. It can be widely used in power plant supply and drainage control, air compressor system control, as well as in agricultural industry and agriculture production, water supply, drainage, fire control and other occasions.

■Control type:

    1. Level control: The control cabinet is equipped with high-performance float switch, which can automatically control the opening and stopping of water supply and drainage pumps according to the change of liquid level.

    2. Pressure control: The external electric contact pressure gauge or pressure controller can automatically turn on and off the pump according to the change of the pressure of the pipe network. This type is widely used in domestic water supply and fire booster system.

    3. Constant Pressure Control: External pressure transmitter is connected by frequency converter startup mode, and frequency converter is automatically adjusted to supply water under constant pressure according to the change of pressure in pipeline network.

■Start-up mode:

    The starting mode of pump control cabinet can be divided into full pressure starting, soft starting and frequency conversion starting.