S6-EH3P(15-20)K-H_Solis Three Phase High Voltage Energy Storage Inverters

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S6-EH3P(15-20)K-H

15K/20K

S6-EH3P(15-20)K-H series three-phase energy storage inverter, suitable for large residential and small commercial PV energy storage systems. This series of products support generator networking and parallel operation of multiple inverters; 4 MPPT design, is perfect for large rooftop PV energy storage systems with more roof orientation and complex structure. Products with multiple flexible load capacity, including UPS level switching; 10second 160% surge power backup overload capability, and adapt to three-phase unbalanced load，half-wave load, more friendly and reliable power supply for the load.

Datasheet Download

S6-EH3P(15-20)K-MY-Flyer-V2.3

Compatible Battery

Solis-Battery-Matching-GLOBAL-Pamphlet.pdf

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Three Phase High Voltage Energy Storage Inverter

Leading Features

Supports up to 4 MPPTs, suitable for multi-orientation and occlusion, to improve power generation
Supports PV input up to 160% of the inverter's rated DC power, maximising solar utilisation
Supports up to 20A PV input current, compatible with future higher-power PV modules
160% overload for 10s in off-grid mode, ensuring stable startup of motors, water pumps and air conditioners
Seamless on/off-grid switching in under 10ms, guaranteeing an uninterrupted power supply
Support three-phase unbalanced output, each phase supports output max. 40% rated inverter power
Supports both DC and AC coupling—making it easy to expand PV, charge batteries, and power loads reliably, even in off-grid conditions
Multiple methods of generator connection and auto control, enabling flexible local deployment
Support max 6 units in parallel, for expanding system capacity
Smart Load management with prioritisation, extending backup time for critical loads
Customizable battery backup level for uninterrupted power
Supports PV-only off-grid operation, reducing upfront costs
SolisCloud: Smart remote control, AI optimisation, and instant troubleshooting - all in one platform
7-inch industrial-grade LCD screen, providing a larger, user-friendly interface for local operation
Ingress protection IP66, adapting to harsh ambient conditions

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Specification Download
Certificate Download
Manual download

S6-EH3P(15-20)K-MY-Flyer-V2.3

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Solis_certificate_EN 62109-1(-2)_S6-EH3P(12-20)K-H(-ND-H)&S6-EH3P(8-12)K-LV-H(-ND-H)_Safety_V03

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Solis_certificate_IEC&EN 62109-1(-2)_S6-EH3P(12-20)K-H(-ND-H)&S6-EH3P(8-12)K-LV-H(-ND-H)_Safety_V03

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CE_S6-EH3P(12-20)K-H(-ND-H)_S6-EH3P(8-12)K-LV-H(-ND-H)

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Solis_certificate_IEC&EN 62109-1(-2)_S6-EH3P(12-20)K-H(-ND-H)&S6-EH3P(8-12)K-LV-H(-ND-H)_Safety_V02

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Solis_certificate_IEC 61000-6-1(-2)(-3)(-4)&IEC 61000-3-2(-3)(-11)(-12)&IEC 62920_S6-EH3P(12-20)K-H(-ND-H)&S6-EH3P(8-12)K-LV-H(-ND-H)_EMC_V02

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Solis_certificate_EN_IEC_61000-6-1(-2)(-3)(-4)_IEC_61000-3-2(-3)(-11)(-12)_IEC_62920_S6-EH3P(12-20)K-H_EMC_V01

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Solis_certificate_EN IEC 61000-6-1(-2)(-3)(-4)&EN 55011&EN 62920&EN 301489&EN 300328&EN 50663&EN 62109_S6-EH3P(12-20)K-H(-ND-H)&S6-EH3P(8-12)K-LV-H(-ND-H)_RED_V02

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Solis_certificate_EN 62109-1(-2)_S6-EH3P(12-20)K-H(-ND-H)&S6-EH3P(8-12)K-LV-H(-ND-H)_Safety_V02

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Solis_certificate_EN 50549-1&EN 50549-10_S6-EH3P(12-20)K-H(-ND-H)&S6-EH3P(8-12)K-LV-H(-ND-H)_EUR_V02

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Solis_Manual_S6-EH3P(12-20)K-H-EU_EUR_V1.5(20260414)

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S6-EH3P(12-20)K-H_QIM_Quick_installation_V1.1(20260104)

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