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On-grid / 25–40 kW

KSG-25~40KT-M1

KSG Series is a three-phase on-grid inverter platform covering 30 kW to 40 kW, purpose-built for rooftop solar installations. With 1100 V DC input, up to 98.7% efficiency, and an IP66-rated enclosure, it combines high power capacity, flexible DC configuration, and intelligent connectivity in a compact, lightweight design.

KSG-25~40KT-M1
Key Features
98.7% Peak Efficiency
Class-leading conversion efficiency for maximum energy harvest and faster return on investment.
DC/AC Ratio up to 1.5
Enables significant oversizing for greater yield in high-irradiance and high-temperature conditions.
Smart Connectivity
WiFi logger standard, 4G logger optional, with real-time monitoring and remote diagnostics.
Transformerless Topology
Proven three-phase design with comprehensive protection for stable long-term performance.
On-grid / 25–40 kW
Backgound image for On-grid / 25–40 kW

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Datasheet
Certifications
User Manual
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Datasheet
 - Datasheet_KSG-(30-40)KT-M1_EN_V2.pdf
 - Datasheet_KSG-30KT(40KT)-M1_CZ-V1
User Manual
 - User Manual_KSG-(25-40)KT_EN_V1.0
 - User Manual_KSG-(25-40)KT_EN_V1.0
 - 4256-8331_KSG(25-40K) User Manual KSTAR English (LCD version)
 - 4257-1826_KSG(25-40K-M6) User Manual KSTAR (English)
Certifications
 - Certificate_EN 62109-1&EN 62109-2_KSG-(25-40)KT-M0_EN_V1.0
 - Certificate_EN 62109-1&EN 62109-2_KSG-(25-40)KT-M0_EN_V1.0
 - Certificate_CEI 021_KSG-(25-40)KT-M0_EN_V1.0
 - Certificate_EN IEC 61000_KSG-(25-40)KT-M0_EN_V1.0
 - Certificate_ EN 50549-1_KSG-(25-40)KT-M0_EN_V1.0
 - Certificate_G99 1-8_KSG-(25-40)KT-M0_EN_V1.0
 - Certificate_UNE 217002_KSG-(25-40)KT-M0_EN_V1.0
 - Certificate_NTS V 2.1_KSG-(25-40)KT-M0_EN_V1.0
 - Certificate_VDE 0126-1-1_KSG-(25-40)KT-M0_EN_V1.0

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