3-inch DC Solar Centrifugal Pump ARL-4SPW14-4-A

3-inch DC Solar Centrifugal Pump ARL-4SPW14-4-A

The 3-inch DC Solar Centrifugal Pump ARL-4SPW14-4-A is a high-efficiency 3-inch DC solar centrifugal pump designed for reliable water pumping solutions. Featuring a powerful 3000W / 4.02HP BLDC motor and an external MPPT controller, this pump delivers a maximum head of 48 meters and a maximum flow of 24.4 cubic meters per hour. Built with durable stainless steel (AISI 304) for both the impeller and pump body, the ARL-4SPW14-4-A is an encapsulated water-filled motor system ensuring no pollution risk and a longer lifespan with its soft-start running feature and thrust bearing system.

Key Features:

• High Efficiency Motor: Equipped with a 3000W / 4.02HP BLDC high-efficiency, encapsulated water-filled motor.
• Robust Construction: Made with stainless steel (AISI 304, 316 optional) for the impeller and pump body, ensuring durability and corrosion resistance.
• External MPPT Controller: Features an external controller with MPPT function for optimized solar power utilization and various protections (dry-run, reverse, phase loss, over-voltage, low-voltage, over-current, over-load, over-power, over-temperature, stall). The controller is IP65 rated.
• Wide Voltage Range: Supports DC voltage range of 300-380V and AC voltage range of 150-240V, with optimal DC voltage at 40-90Vmp/100Voc.
• Comprehensive Protection: Includes positive and negative pole reverse connection alarm, dry protection (no additional float sensor required), and protection against over-load, over-current, over-voltage, and low-voltage.
• Informative Display: Controller displays voltage, current, power, and speed for easy monitoring.
• Easy Installation: Comes with essential accessories including 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), BLDC High Efficiency Motor, External Controller, Powered by DC Power Only, Voltage/Current/Power/Speed Display, Encapsulated water filled motor (No pollution risk), Soft start running makes system’s life longer, Thrust bearing system, Positive and negative pole reverse connection alarm, Over-load/Over-current/Over-voltage/Low-voltage protection, Dry protection (No additional float sensor required), A wide range of accessories.
• Certifications: CE, TUV, SUD, UL, ISO9001, ISO14001 certified for quality assurance.
• Warranty: 2 Years.

Technical Specifications:

• Product Model: ARL-4SPW14-4-A
• Power: 3000W / 4.02HP
• Power Type: AC/DC
• Max Head: 48 meters
• Max Flow: 24.4 m³/h
• Outlet Size: 2 inches
• Impeller Material: Stainless Steel
• 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: 300-380V
• Optimal Voltage (Controller): 40-90Vmp/100Voc
• AC Voltage Range: 150-240V
• Max DC Current: 15A
• Max Voltage (Motor): DC Max. VOC 100V
• Optimal Voltage (Motor): DC Best. Vmp 40-90V
• 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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