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General| Model | SG40KTL |
|---|---|
| Type | String Inverter |
| Rated Power | 40 kW |
| Max. Input Voltage | 1100 V |
| Number of MPPTs | 2 |
| Max. Input Current per MPPT | 26 A |
| Rated AC Output Power | 40 kW |
| Max. AC Apparent Power | 44 kVA |
| Rated AC Voltage | 400 V |
| Rated Grid Frequency | 50 Hz / 60 Hz |
| THDI | < 3% |
| Power Factor at Rated Power | 1 |
| Adjustable Power Factor Range | 0.8 leading - 0.8 lagging |
| Max. Efficiency | 98.6% |
| European Efficiency | 98.4% |
| DC Switch | Yes |
| Protection Class | IP65 |
| Communication | RS485, Ethernet |
| MPPT Voltage Range | 200 V - 1000 V |
| AC Voltage Range | 310 V - 480 V |
| Operating Temperature Range | -25°C to +60°C |
| Cooling | Natural Cooling |
Explains warning and informational symbols used in the manual.
Explains symbols found on the inverter's physical body.
Describes the purpose and intended application of the SG40KTL inverter.
Explains the LCD display panel, its components, and functions.
Describes the function and operation of the DC switch for input current disconnection.
Outlines the step-by-step procedure for installing the inverter.
Criteria and considerations for choosing an optimal installation site.
Instructions for connecting the inverter to the AC grid.
Details on connecting the inverter to the AC grid and cable requirements.
Instructions for connecting the inverter to PV arrays.
Instructions and diagrams for grounding the inverter system.
Instructions for establishing communication connections.
Checklist of items to inspect before starting the inverter.
Step-by-step guide for starting up and configuring the inverter.
Guides through setting country code and protective parameters during commissioning.
Steps to safely disconnect the inverter from power sources.
Guides on diagnosing and resolving issues with the inverter.
Explains how to troubleshoot based on LED indicator status.
Provides a table of fault codes and their solutions.
Outlines routine maintenance tasks and procedures for the inverter.
Describes regular maintenance checks and their periodicity.
Detailed instructions for specific maintenance tasks, like fan servicing.
Information on how to contact Sungrow for support and service.
How to set protective parameters based on country codes.
Guides to selecting the correct country code for protective parameters.
Overview of advanced protection features and their settings.
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