3-inch DC Solar Centrifugal Pump ARL-4SPW16-2P

3-inch DC Solar Centrifugal Pump ARL-4SPW16-2P

The 3-inch DC Solar Centrifugal Pump ARL-4SPW16-2P is an efficient 3-inch DC solar centrifugal pump designed for various water pumping needs. Featuring an 1800W / 2.41HP BLDC motor and an external MPPT controller, this pump provides a maximum head of 21 meters and a substantial flow rate of 27.8 cubic meters per hour. Constructed with a durable stainless steel 304 pump body and a plastic impeller, the ARL-4SPW16-2P utilizes an encapsulated water-filled motor for pollution-free operation and extended lifespan, further enhanced by its soft-start running and thrust bearing system.

Key Features:

• High Efficiency Motor: Equipped with an 1800W / 2.41HP BLDC high-efficiency, encapsulated water-filled motor.
• Durable Construction: Features a stainless steel (AISI 304) pump body for corrosion resistance.
• External MPPT Controller: Includes an external controller with MPPT function for optimal 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 is IP65 rated.
• Wide DC Voltage Range: Operates within a DC voltage range of 60-380V, with an optimal voltage of 40-90Vmp/100Voc.
• Comprehensive Protection: Offers a range of protective features including 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: Stainless Steel-AISI 304 (316 Optional) pump end, BLDC High Efficiency Motor, External Controller, Powered by DC Power Only, Encapsulated water filled motor (No pollution risk), Soft start running for longer system life, Thrust bearing system.
• Certifications: CE, TUV, SUD, UL, ISO9001, ISO14001 certified.
• Warranty: 2 Years.

Technical Specifications:

• Product Model: ARL-4SPW16-2P
• Power: 1800W / 2.41HP
• Power Type: DC
• Max Head: 21 meters
• Max Flow: 27.8 m³/h
• Outlet Size: 2 inches
• Impeller Material: Plastic
• Impeller Type: Centrifugal
• Pump Body Material: Stainless Steel 304
• Pump Length: 0.61
• 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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