Three-Phase AC & DC Auto-Switching Submersible Pump, 0.3HP–30HP
Cloudsun Pump solar submersible pumps feature industrial engineered design.
It operates reliably even in the most remote areas. It is suitable for domestic water supply, agricultural irrigation and livestock watering.
This design delivers steady water flow, powerful water pressure and low maintenance costs, while ensuring long-term durability.
High Performance Functions in Solar Submersible Pump Controller
Intelligent Solar Irrigation Pump Controller
✅ Advanced MPPT technology with over 99% tracking efficiency
✅ Compatible with solar submersible pumps and solar surface pumps
✅ Supports AC/DC hybrid operation for continuous water supply
✅ Automatic start and stop based on solar radiation levels
✅ Dry-run protection to prevent pump damage
✅ Water tank full protection and low water level protection
✅ Over-voltage, under-voltage, overload, and overheating protection
✅ Suitable for deep well pumping, irrigation, livestock, and residential water systems
✅ Easy installation and maintenance-free operation
Technical Snapshot
Three-Phase AC & DC Auto-Switching Submersible Pump, 0.3HP to 30HP
Max Power
Product Overview
Cloudsun solar submersible pumps convert sunlight into electricity using an array of solar panels, powering a submersible brushless DC motor installed in a well or borehole. The motor drives an impeller or auger pump to efficiently lift water to the ground.
- Domestic water supply for households and communities
- Agricultural irrigation for crops, greenhouses and farms
- Drinking water systems for rural livestock
- Deep wells and boreholes for continuous water extraction
/ Trust, Performance, Simplicity /
01
True Off-Grid Operation
02
3 HP – 30 HP
Scalable for small farms
Compatible with large irrigation systems.
03
MPPT & Intelligent Control
Maximizes solar energy harvest
Delivers reliable pump performance.
04
Low Operating Cost
05
Minimal maintenance for harsh environments
06
Reduced Carbon Footprint
Eco-friendlier solutions for our future
MPPT Controller Function
The controller can monitor the following situations and provide automatic protection：
① Pump water shortage protection；
② Pump blockage and overload protection；
③ High voltage input protection；
④ Low voltage input protection；
⑤ Pump phase loss protection；
⑥ Short circuit protection；
⑦ Overheat protection；
⑧ Positive and negative polarity reverse protection.
DC MPPT Controller Wiring Diagram
This wiring diagram clearly shows the complete connection layout of the solar pumping system, including solar panels, BLDC submersible pump, float level switches and the MPPT controller. Follow the step-by-step wiring guide for safe, correct installation.
0.3 HP – 30 HPThree-Phase AC & DC Auto-Switching Submersible Pump
+ Commonly used for 3-wire pumps
External controllers are generally matched with 3-wire submersible pumps, which do not come with built-in start capacitors. The control box houses start capacitors, run capacitors, relays and other protective components required for motor startup.
+ Protection Functions
External controllers are usually equipped with overheat protection.
This protector automatically shuts down the pump when overheating occurs. It also safeguards the pump against overcurrent and dry-run caused by low water levels.
+ Easy Maintenance
Since the controller is installed above ground, troubleshooting and maintenance become far simpler and more cost-effective. Technicians can test or replace components inside the control box without pulling the entire pump out of the well.
+ Upgrade Flexibility
External controllers are much easier to upgrade or replace if you need to add new features or advanced controls, such as Variable Speed Drives (VSD) for higher efficiency and constant water pressure.
+ Durability & Cost
The control box shields sensitive electronic components from the harsh underground well environment. However, pumps fitted with external controllers usually carry a higher upfront cost than those with integrated controllers.
|Advantages of the Pump
Features
- High-efficiency BLDC Motor
- Filled & Sealed Water-filled Motor
- Wide Voltage & Head Range
- Smart Controller with Full Protection Functions
- Stainless Steel Body & Corrosion-resistant Components
- Fully Automatic Operation, No Operator Required
Benefits
- 15–20% higher energy efficiency, reducing the cost of solar panels
- Zero oil leakage, longer service life and safer operation
- Compatible with various well depths and solar setups
- Built-in protection against dry run, overcurrent, overvoltage and overheating
- High durability under harsh working conditions
- Set-and-forget operation with extremely low maintenance costs
/ SAMKING
Permanent Magnet
Advanced Motor & Winding System
/Premiu
● 304 stainless steel shaft prevents breakage and corrosion.
● Outlets, connectors and cylinders are made of 304 stainless steel or copper components.
● Silicon carbide + graphite mechanical seal for high reliability and long service life.
● Japan NSK bearings reduce friction and enhance axial load capacity.
● Dual-bearing rotor support delivers superior stability under high-lift working conditions.
Advantages of the Controller
Ingress Protection Rating: IP65
Ambient Temperature: -15°C to +60°C
Voltage: 40–90 Vmp / 100 Voc
MPPT Function: Maximizes solar energy utilization with efficiency up to 98%
Display: LED screen showing voltage, current, power and rotating speed
Control Modes: Automatic speed regulation or manual control
Protections: Overvoltage, undervoltage, overcurrent, short circuit, dry-run and overheat protection
Soft Start: Prevents inrush current to protect the motor
Automatic Operation: Automatically starts and stops according to sunlight and water demand
/ Related Model
DC Solar Pump
● Runs directly on solar power.
● Perfect for off-grid areas without power grid access.
● High-efficiency BLDC motor with stable performance.
● Applications: Domestic water supply, irrigation, livestock watering
● Max Head: [158 m] | Max Flow Rate: [21.1 m³/h] | Power: [1.3 HP / 1500 W]
● Related Models: 3SPW1-11P, 4SPW2-7P
Single-Phase AC/DC Auto-Switch Submersible Pump
● Automatically switches between solar power and grid electricity on low-sunlight days.
● Supports AC input 90–240V and DC input.
● Guarantees uninterrupted water supply under all weather conditions.
● Application scenarios: farms, residential households, public institutions.
● Max Head: 180 m | Max Flow Rate: 51.6 m³/h | Power: 3 HP / 2200 W
● Related Model: 4YYA3－180-3
Three-Phase AC/DC Auto-Switch Submersible Pump
● Designed for demanding users and deep borehole wells.
● Automatic switchover between solar power and grid electricity, with solar energy prioritized.
● Features high head, large flow rate and robust construction.
● Applications: agricultural irrigation, residential community water supply systems, industrial use.
● Max Head: 200 m | Max Flow Rate: 115 m³/h | Power: 30 HP / 22000 W
● Related Model: A/D-4SPW3-20P
Three-Phase AC High-Speed Submersible Pump
● 50% lighter and far more compact in size compared with conventional deep well pumps.
● Saves 20%–30% electricity, equipped with variable-frequency motors made of NdFeB magnets.
● Delivers high head, large flow rate and boasts robust structure.
● Applications: agricultural irrigation, community water supply systems, industrial water projects.
● Max Head: 20 m | Max Flow Rate: 45 m³/h | Power: 30 HP / 22420 W
● Related Model: 250YGS200-40/1-30
Solar Surface Pump
● Automatically switches between solar power and mains electricity under low sunlight conditions.
● Compatible with 90–240V AC and DC input power.
● Ensures uninterrupted water supply in all weather conditions.
● Application: farms, residential households, public institutions.
● Max Coverage Area: 2000–3900 ㎡ | Power: 2 HP / 1500 W
● Related Model: YYT-2200/220(380)(Z)
Solar Aerator Pump
● Automatically switches between solar power and mains electricity when sunlight is insufficient.
● Accepts 90–240V AC and DC input.
● Guarantees continuous aeration in all weather conditions.
● Application: fishery farming.
● Max Coverage Area: 2000–3900 ㎡ | Power: 3 HP / 2200 W
● Related Model: YYT-2200/220(380)(Z)
Quick Guide
Solar Water Pump
● Solar panels generate direct current by harnessing solar energy.
● The solar controller receives this power and optimizes voltage and current via its Maximum Power Point Tracking (MPPT) algorithm to drive the pump motor efficiently.
● The pump (3 HP – 30 HP) delivers water from water sources (wells, boreholes, surface water) to destinations (farmland for irrigation, water storage tanks, livestock drinking troughs).
● The system runs continuously as long as solar input is sufficient; storage or reserve tanks guarantee water supply even on low-sunlight days.
● Extremely low maintenance; engineered for long-term off-grid reliability.
\Main Advantages
Advantages of the Cloudsun Pump Solar Water Pump Kit
✅ Zero Infrastructure
Can be installed anywhere, even off-grid. No wiring, transformers or reliance on the utility grid required.
✅ Low Operating Costs
Fully solar-powered: zero fuel costs and nearly maintenance-free.
✅ Multi-source Water Intake
Draws water from wells, ponds, lakes or tanks, even at shallow depths of ≥ 1 meter.
✅ 24-Hour Water Supply
Paired with a water storage tank to guarantee round-the-clock water access.
✅ Easy & Safe Operation
The smart controller handles auto start/stop, speed adjustment and full system protection.
\Checklist
Installation & Commissioning
● Supply safety stainless steel cables and recommended PE pipes.
● Confirm borehole/well diameter and safe drop length.
● Mount the external controller inside a shaded, weatherproof enclosure (IP65 rated recommended).
● Wire solar panels in accordance with the controller’s voltage and current specifications.
● Perform dry-run test and verify readings shown on the controller (Voltage / Amps / Watts).
● Wire solar panels in accordance with the controller’s voltage and current specifications.
/ Reviews & Feedback
Hear From Our Customers
Household Water Use (Kenya)
We fully depend on solar energy for steady water supply at home. This water pump has worked reliably for over a year…
Agricultural Irrigation (Brazil)
This pump works even on cloudy days. Maintenance-free and reliable, it is ideal for our small farm…
Livestock Water Supply (Australia)
No more diesel costs. The system runs automatically every morning. We can now focus on farming without extra maintenance work…
/Applications
/ Services
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Pre-sales Support
· 24/7 service with response within 1 hour.
· Comprehensive solutions tailored to your requirements.
· Distributor, OEM & ODM support available.
Contract Execution
· Standardized services and inspections
· Strict product quality inspection
· Order & logistics tracking
After-sales Service
· 2-year warranty with 24-hour support
· Installation and maintenance assistance
· Online training provided
