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Solis S6-GC40K-US 40kW Specifications

ModelS6-GC40K-US
Rated Output Power40 kW
Max Apparent Power40 kVA
Max Efficiency98.8% (CEC: 98.3%)
MPPT Channels3 independent MPPTs
Max Input Strings6 strings
Max Input Current40A per string
MPPT Voltage Range180V-1000V
Max Input Voltage1000V DC
Start-up Voltage180V
Output Voltage480V three-phase with PE
Dimensions30.9×21.6×12.6 in
Weight47.8 kg (105.4 lb)
Ingress ProtectionTYPE 4X with C5 Anti-Corrosion
CoolingNatural cooling
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Solis S6-GC40K-US 40kW Three Phase Grid-Tied Inverter

SKU SOLIS-S6-GC40K-US-COM
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Solis Three Phase Grid-Tied Inverters

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The Solis S6-GC40K-US delivers robust commercial performance for large-scale three-phase installations with 40kW output capacity. This transformerless inverter features 3 independent MPPT channels with 40A string current capability, engineered for large commercial rooftop and ground-mount applications requiring maximum operational flexibility and energy yield. The unit achieves 98.8% maximum efficiency with 98.3% CEC efficiency for superior energy conversion in demanding commercial environments.

This model includes Type 4X environmental protection with C5 anti-corrosion rating, integrated AFCI protection, and built-in module-level rapid shutdown transmitters compatible with APS, Tigo, and NEP MLRSD systems.

Solis S6-GC40K-US Inverter Features

  • Large Commercial Power: 40kW output delivers optimal energy production for large commercial installations and industrial applications
  • Enhanced MPPT Technology: 3 independent MPPT channels with 40A string current maximize energy harvest from complex array configurations
  • Peak Efficiency Performance: 98.8% maximum efficiency with 98.3% CEC efficiency ensures minimal energy losses and maximum ROI
  • Advanced Grid Support: External power control interface with zero output power control supports grid stabilization and utility requirements
  • Professional Monitoring: String-level monitoring, I-V curve scanning, and comprehensive communication protocols optimize performance

Solis S6-GC40K-US Certifications

  • UL1741SB - Inverters, Converters, Controllers and Interconnection System Equipment for Use With Distributed Energy Resources
  • IEEE 1547-2018 - Standard for Interconnection and Interoperability of Distributed Energy Resources
  • UL1699B - Arc-Fault Circuit-Interrupters
  • UL1998 - Software in Medical Devices
  • California Rule 21 - Smart Inverter Requirements for Distributed Energy Resources
  • HECO Rule 14H - Hawaiian Electric Company Interconnection Standards
  • NEC 690.12-2020 - Rapid Shutdown of PV Systems Requirements
  • CAN/CSA C22.2 107.1-1 - General Use Power Supplies Canadian Standards
  • FCC Part 15 Class B - Radio frequency emission compliance
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Solis S6-GC40K-US Three Phase Commercial Inverter Review

The S6-GC40K-US represents robust large-scale commercial inverter technology with transformerless topology optimized for three-phase grid integration and advanced grid support functionality. The 3 independent MPPT channels with 40A string current capability accommodate the latest high-power commercial modules including bifacial technologies, while the comprehensive 180V-1000V MPPT range provides maximum design flexibility for large commercial rooftop and ground-mount configurations.

The S6-GC40K-US includes advanced safety systems with integrated AFCI protection, comprehensive ground fault monitoring, and anti-islanding protection calibrated for large commercial applications. The natural cooling design eliminates maintenance requirements while maintaining reliable performance under sustained commercial loads, complemented by Type 4X environmental protection with C5 anti-corrosion rating for long-term durability.

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