SG40CX - Battery charger Sungrow - Free user manual and instructions
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| Product Type | Grid-Tied Solar Inverter with Battery Charger |
| Model | SG40CX |
| Brand | Sungrow |
| Rated AC Power | 40 kW |
| Max. PV Input Power | 52 kW |
| Max. PV Input Voltage | 1000 V |
| MPPT Voltage Range | 200 V - 800 V |
| Battery Voltage Range | 350 V - 550 V |
| Max. Charging Power | 30 kW |
| Max. Charging Current | 50 A |
| AC Output Voltage | 3/N/PE, 380/400/415 V |
| AC Output Frequency | 50/60 Hz |
| Efficiency (Max.) | 98.2% |
| Cooling Method | Intelligent forced air cooling |
| Operating Temperature Range | -25°C to +60°C |
| Dimensions (W x H x D) | 800 x 600 x 300 mm |
| Weight | Approx. 55 kg |
| Ingress Protection Rating | IP66 |
| Communication Interfaces | RS485, Wi-Fi, Ethernet, Optional 4G |
| Display | LCD touch screen |
| Warranty | 5 years (extendable) |
Frequently Asked Questions - SG40CX Sungrow
What is the maximum PV input power for the SG40CX?
The maximum PV input power is 52 kW, allowing oversizing of the solar array.
Can the SG40CX operate without a battery?
Yes, it functions as a standard grid-tied inverter even without a battery connected.
What types of batteries are compatible?
It supports high-voltage lithium-ion batteries, typically from Sungrow or compatible brands, with a voltage range of 350 V to 550 V.
How do I install the inverter?
Installation should be performed by a qualified electrician following the manual. Ensure proper mounting on a wall or structure, adequate ventilation, and correct wiring of AC, DC, and communication cables.
What does the LCD touch screen display?
The screen shows real-time power generation, battery status, grid parameters, event logs, and allows configuration of settings.
Is the SG40CX suitable for outdoor installation?
Yes, it has an IP66 ingress protection rating, making it dust-tight and protected against strong water jets.
How do I clean and maintain the inverter?
Regularly inspect and clean the cooling fins with a soft brush or compressed air. Keep the display clean and ensure no obstruction of ventilation openings.
What should I do if the inverter shows an error?
Refer to the manual's troubleshooting section. Common errors include grid faults, insulation issues, or communication loss. Contact Sungrow support if the issue persists.
Can the inverter be monitored remotely?
Yes, via the iSolarCloud app or web portal using Wi-Fi or Ethernet. Optional 4G module enables remote monitoring without local network.
What safety certifications does the SG40CX have?
It complies with international standards such as IEC 62109, EN 50549, and VDE-AR-N 4105 for grid connection and safety.
User questions about SG40CX Sungrow
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USER MANUAL SG40CX Sungrow
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Product information
Brand : Sungrow
Model : SG40CX
Category : Battery charger