3-inch DC Solar Centrifugal Pump ARL-4SPW16-4P

3-inch DC Solar Centrifugal Pump ARL-4SPW16-4P

The 3-inch DC Solar Centrifugal Pump ARL-4SPW16-4P is a high-performance 3-inch DC solar centrifugal pump, designed for efficient water management. It features a powerful 3000W / 4.02HP BLDC motor and an external MPPT controller, enabling it to achieve a maximum head of 48 meters and an impressive flow rate of 33 cubic meters per hour. The pump body is constructed from durable stainless steel 304, and it utilizes a plastic impeller. With its encapsulated water-filled motor, the ARL-4SPW16-4P ensures no pollution risk and boasts a longer operational life, further enhanced by its soft-start running feature and robust thrust bearing system. This model is ideal for demanding applications, offering reliable power and comprehensive protection features.

Key Features:

• High Efficiency Motor: Equipped with a 3000W / 4.02HP BLDC high-efficiency, encapsulated water-filled motor.
• Durable Construction: Built with a stainless steel (AISI 304) pump body, with 316 stainless steel as an optional material for the pump end, ensuring longevity and resistance to corrosion.
• External MPPT Controller: Features an external controller with MPPT function for optimized solar power utilization and comprehensive protections (Dry-Run, Reverse, Phase Loss, Over-Voltage, Low-Voltage, Over-Current, Over-Load, Over-Power, Over-Temperature, Stall, Error Display). The controller has an IP65 rating.
• Wide DC Voltage Range: Operates within a DC voltage range of 60-380V, with an optimal voltage of 40-90Vmp/100Voc.
• Comprehensive Protection: Includes positive and negative pole reverse connection alarm, dry protection (no additional float sensor required), over-load, over-current, over-voltage, and low-voltage protection.
• Informative Display: The controller provides a clear display of voltage, current, power, and speed.
• Included Accessories: Comes with a 1* 3inch DC solar centrifugal pump with 1* 1.5m cable, 1* Pump controller with MPPT function, 1* Electric float switch for water tank, 1* Waterproof adhesive tape, 1* PVC electrical adhesive tape, and 1* PTFE tape.
• System Advantages: Incorporates a non-return valve, soft start running for extended system life, and a wide range of accessories for ease of use.
• Certifications: CE, TUV, SUD, UL, ISO9001, ISO14001 certified.
• Warranty: 2 Years.

Technical Specifications:

• Product Model: ARL-4SPW16-4P
• Power: 3000W / 4.02HP
• Power Type: DC
• Max Head: 48 meters
• Max Flow: 33 m³/h
• Outlet Size: 2 inches
• Pump Length: 0.81
• Impeller Material: Plastic
• Impeller Type: Centrifugal
• Pump Body Material: Stainless Steel 304
• Motor Type: Water-Filled, PMSM / BLDC motor
• Motor Material: AISI 304
• Insulation Class: F
• Enclosure Class (Motor): IPX8
• Enclosure Class (Controller): IP65
• DC Voltage Range: 60-380V
• Optimal Voltage (Controller): 40-90Vmp/100Voc
• Max Voltage (Motor): DC Max. VOC 100V
• Optimal Voltage (Motor): DC Best. Vmp 40-90V
• Max DC Current: 15A
• Max Submersion: 150m
• Max Water Temperature: 40°C
• Motor Efficiency: Max. 85%
• Controller MPPT Efficiency: Max. 98%
• Required Cooling Flow (Motor): 0.5L/s
• Max Speed (Plastic Impeller): 4500 RPM
• Max Speed (SS304 Impeller): 4000 RPM
• Max Speed (Helical Impeller): 4000 RPM
• Recommended Max Input (System): Max. 0.6kW
• Minimum Well Diameter: Min. 3 inches
• Pump Discharge: Rp 1.25
• System Efficient Max: 98%
• Bearing System: Thrust bearing system
• Gross Weight (Pump+Controller): 10.5 KG
• Net Weight (Pump+Controller): 8.5 KG
• Dimension (Pump+Controller): 61mm x 36mm x 16mm

What’s Included:

• 1* 3inch DC solar centrifugal pump with 1* 1.5m cable
• 1* Pump controller with MPPT function
• 1* Electric float switch for water tank
• 1* Waterproof adhesive tape
• 1* PVC electrical adhesive tape
• 1* PTFE tape

Not Included (Self-Prepare):

• Suitable solar panels (Recommend using 550W solar panels in series).
• A stainless steel wire (safety cable) to hold pump in bore.
• Poly pipe from pump to water tank.
• Pump outlet joint connector.
• Wire power cable (2 wires plus earth).

Notes:

• The Controller is IP 65 Rated; however, it is recommended that it is not mounted in direct sunlight.
• VOC (V) Volts open circuit nothing connected; Vmp (V) Volts maximum power point under load.
• Exceeding limits may cause serious harm or irreparable damage.

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