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Automatic switching between pumping and grid-connected generation paths
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Up to 880V DC maximum PV input voltage
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IP65 protection for demanding outdoor operating environments
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RS485/CAN communication for system integration and monitoring
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Built-in protection with unattended automatic operation
Solar Pumping System
PV Automatic Switching Device
Detailed Description
Product description
The intelligent automatic switching device prioritizes power supplyto the pump inverter. When the pump is not operating at fullcapacity, the system automatically redirects surplus PV power -including the full solar output if available – to the grid-tied inverter, ensuring 100% utilization of daytime solar energy with no waste.
Product Parameters
| Model |
HG-AS40K |
HG-AS80K |
|
PV Input Parameters |
||
|
Max.DC Input Volt |
880V |
|
|
Recommended MPPT Volt. |
400-850V | |
|
Maxi. DC input current |
4*20A |
8*20A |
|
Rated DC input current |
30A |
|
|
NO. of PV input channels |
4 |
8 |
|
DC Output Side |
||
|
Maximum Matched Grid-Connected Inverter Power |
40KW |
80KW |
|
Maximum matching power for water pump inverters |
37KW | 75KW |
|
Rated output current |
60A | 120A |
|
System |
||
|
IP Rating |
IP65 |
|
|
Operating Temp. |
-25~60°C |
|
| Display |
LED |
|
|
Communication |
RS485/CAN |
|
|
Dimension(W*H*D) |
605*470*180(mm) |
725*570*180(mm) |
|
Weight |
15.5kg |
20kg |
Production line
Application Scenarios
Packaging
Main Unit x1
Series Connection Cable x1
Manual x1
Warranty Card x1
FAQs：
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What does the automatic switching device do?
It directs PV power to a compatible solar water pump inverter or grid-tied inverter according to system operating conditions, helping utilize available solar energy more effectively.
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Can it support simultaneous water pumping and grid-connected generation?
Yes. When PV generation is sufficient, the system can supply the water pump and route surplus solar energy to the grid, subject to compatible inverter configurations and system design.
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What are the key installation specifications?
The HG-AS40K and HG-AS80K models support a maximum PV input voltage of 880V DC, a recommended operating voltage range of 400–850V, IP65 protection, and an operating temperature range of -25°C to 60°C. Confirm model-specific current ratings and inverter compatibility before installation.
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