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    1/2 hp (400W) Water Well Pump, 48V

    $727.27
    1/2 hp submersible well pump has 47~50mmaximum head, 48V DC working voltage and pumps 800~1000 gallons per hour. 3-inch water well pump with an external DC controller is used for ponds, farms, fountains or pools. DC controller with LED display shows power, voltage, current and speed values.
    SKU: ATO-SWP-48V400
    *
    Free Shipping Worldwide
    Delivery date: 6-12 days

    Get a 400-watt deep well pump with 48V working voltage online. The water well pump has 800 ~1000 gph max. flow, 47 ~ 50m max. head. DC controller with LED display shows power, voltage, current and speed values.

    Well Pump Features

    Model 3DPC3-47-48-400 3DSC4-50-48-400
    Max. flow 3.0m3/h (800 gph, American system) 4.0m3/h (1057 gph, American system)
    Max. head 47m (154ft) 50m (164ft)
    Impeller structure Single-suction plastic impeller Single-suction stainless steel impeller
    Material of outlet/connector/oil cylinder Brass Stainless steel
    Power 400W (1/2 hp)
    Voltage 48V DC
    Length 60cm
    Inlet diameter 3 inch
    Outlet diameter 1.25 inch
    Internal motor Brushless DC motor
    Speed 4000rpm
    Material of shaft 304 stainless steel
    No water protection function The water pump stops working automatically when there is no water in the well, and it will automatically restart working 30 minutes later.
    Required open circuit voltage (VOC) of solar panel 100V DC
    Required power of solar panel ≥1.3*pump power
    Efficiency 45%
    Warranty 2 years
    Cable length 2m

    Controller Features

    Model DF-24
    Best MPPT voltage range 30-48V DC
    Max. input current 15A
    Working temperature -15~+60℃ (5~140℉)
    Display LED display can show power, voltage, current and speed value.
    Functions Automatic charging (for battery)
    Variable frequency
    Automatic power ON/OFF
    Soft start
    High voltage/low voltage/over-current/high temperature protection
    Protection class IP65

    Package included

    • 1 * Water well pump with 2m cable
    • 1 * DC controller
    • 1 * Stainless steel float switch (water level sensor for the tank)
    • 1 * Pump outlet joint connector
    • 1 * Splice kit for cable join
    • 1 * Splice kit for waterproof
    • 1 * User manual

    1/2 hp water well pump performance curves

    Max. Flow: 3.0m3/h, Max. Head: 47m, Model: 3DPC3-47-48-400

    400W 48V DC 3 inch water well pump performance curves

    Max. Flow: 4.0m3/h, Max. Head: 50m, Model: 3DSC4-50-48-400

    400W 48V DC 3 inch water well pump performance curves

    Tips: Protection functions of water well pump and DC controller

    • Over-current protection: When the water well pump model is mismatched or UVW three-phase in short-circuit connection.
    • Phase protection: UVW three-phase is in an open circuit.
    • Stall protection: When the pump model is mismatched. A pump extension cord is too long. Solar water pump power is too low. The pump bearing is stuck.
    • Low voltage protection: The input voltage of the solar pump is too low.
    • High voltage protection: The input voltage is too high.
    • Dry-run protection: Not all of the air in the pump is exhausted. There is no water in the deep well/pond.
    • High-temperature protection: The temperature of the DC controller MCU is more than 90℃.
    • Reverse connection protection: The wiring is wrong.
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