Solis S6-EH3P(29.9-60)K-H(21A) Three Phase High Voltage Energy Storage Inverter

  1. Hybrid Inverter
  2. Solis Hybrid Inverter

Solis S6-EH3P(29.9-60)K-H(21A) Three Phase High Voltage Energy Storage Inverter

  • Category: Solis Hybrid Inverter
  • Features
    • Introducing the Solis S6-EH3P(29.9-60)K-H(21A) Series – a high-voltage, three-phase energy storage inverter designed for commercial applications and compatible with 3Φ 380V/400V grids. This inverter series delivers a maximum charge and discharge current of 84A + 84A (60K) across two independently controlled battery ports. It also features four integrated MPPTs with a string current capacity of up to 21A, ensuring superior power performance. Whether for on-grid or off-grid use, the S6-EH3P(29.9-60)K-H(21A) series supports parallel operation of up to ten units, with a backup port capable of handling 1.6 times overload for short durations. Thanks to its wide battery voltage range, the series is compatible with a broad selection of batteries and supports peak shaving control in both self-use and generator modes - delivering flexible, efficient, and scalable energy storage for commercial installations.

Product Description

S6-EH3P(29.9-60)K-H(21A)

Introducing the Solis S6‑EH3P(29.9‑60)K‑H(21A) Series, high‑voltage three‑phase commercial energy storage inverters compatible with 3‑phase 380V/400V power grids.

Built for commercial energy storage scenarios, this inverter series comes with two independent battery ports, delivering up to 84A + 84A maximum battery charge‑discharge current for the 60K model. Equipped with four integrated MPPT trackers supporting up to 21A per string, it achieves outstanding PV power harvesting performance.

Supporting both on‑grid and off‑grid operating modes, the Solis S6‑EH3P(29.9‑60)K‑H(21A) allows up to 10‑unit parallel connection for system scalability. Its dedicated backup output port withstands short‑term 1.6× overload to secure critical load power supply.

Boasting an extensive battery voltage operating range, the inverter works with a wide variety of high‑voltage battery packs. It enables peak‑shaving control under self‑consumption mode and generator‑back‑up mode alike. Ideal for commercial sites, this storage inverter delivers flexible, high‑efficiency and expandable energy storage solutions.

Product Unique Features

Supports up to 100kW PV input to maximize solar energy utilization

Accepts maximum 21A per string input current for seamless compatibility with high‑power PV modules

Works with 100‑314Ah battery modules to lower total system costs

Enables rapid battery charging with up to 168A maximum charging current

Features two independent battery ports for flexible system configuration and straightforward capacity expansion

Provides 160% overload capacity for 2 seconds under off‑grid mode, enabling reliable heavy‑load startup

Flexible control logic for weak‑grid and genset‑hybrid applications to cut down project investment costs

SolisCloud integrated platform: smart remote control, AI‑driven optimisation and real‑time fault troubleshooting

Combined PV‑storage integration supports demand‑side management and anti‑reverse flow functionality

Delivers dynamic reactive power compensation to boost grid power factor and minimize reactive power charges

Product Leading Features

Supports both DC‑coupling and AC‑coupling to enable flexible system retrofits and capacity expansion

Implements battery reserve management to deliver dependable backup power across multiple operating scenarios

Intelligent load prioritisation extends power supply duration for critical backup loads

Versatile 3‑in‑one interface allows seamless integration of grid‑tied PV systems, wind power and diesel generators

Completes on‑grid to off‑grid mode transition within 10 ms, guaranteeing seamless uninterrupted power supply

Enables multi‑unit parallel operation up to 600 kW. Solis STS cabinet is recommended for systems with more than 6 inverter units

Technical Specifications

Models 29.9K 30K 40K 49K 50K 60K
Input DC (PV side) Recommended max. PV array size 59.8 kW 60 kW 80 kW 98 kW 100 kW 100 kW
Max. usable PV input power 59.8 kW 60 kW 80 kW 98 kW 100 kW 100 kW
Max. input voltage 1000 V
Rated voltage 600 V
Start-up voltage 180 V
MPPT voltage range 150 - 850 V
Max. input current 3×42 A 3×42 A 42 A 4×42 A 4×42 A 4×42 A
Max. current per DC input 42 A
Max. short circuit current 3×60 A 3×60 A 4×60 A 4×60 A 4×60 A 4×60 A
MPPT number / Max. input strings number 3/6 3/6 4/8 4/8 4/8 4/8
Battery Battery type Li-ion
Battery voltage range 150 - 800 V
Max. charge / discharge current 80 A×2 80 A×2 80 A×2 80 A×2 80 A×2 84 A×2
Number of battery port / Number of BMS port 2
Max. charge / discharge current of each port 80 A 80 A 80 A 80 A 80 A 84 A
Communication CAN / RS485
Output AC (Grid side) Rated output power 29.9 kW 30 kW 40 kW 49 kW 50 kW 60 kW
Max. apparent output power 29.9 kVA 30 kVA 40 kVA 49 kVA 50 kVA 60 kVA
Rated grid voltage 3/N/PE,220V/380V,230V/400V
Rated grid frequency 50 Hz / 60 Hz
Rated grid output current 45.4 A / 43.2 A 45.6 A / 43.3 A 60.8 A / 57.7 A 74.5 A / 70.7 A 76 A / 72.2 A 91.2 A / 86.6 A
Power factor >0.99 (0.8 leading - 0.8 lagging)
THDi <3%
Input AC (Grid side) Max. input power 59.8 kW 60 kW 60 kW 98 kW 100 kW 100 kW / 105 kW
Input voltage range 304 - 460 V
Max. input current 90.8 A / 86.4 A 91.2 A / 86.6 A 121.6 A / 115.4 A 149 A / 141.4 A 152 A / 144.4 A 152 A / 152 A
Output AC (Back-up) Rated output power 29.9 kW 30 kW 40 kW 49 kW 50 kW 60 kW
Max. apparent output power 1.6 times rated power,2 s；1.15 times rated power,10 s
Back-up switch time <10 ms
Rated output voltage 3/N/PE,220V/380V,230V/400V
Rated frequency 50 Hz / 60 Hz
Rated output current 45.4 A / 43.2 A 45.6 A / 43.3 A 60.8 A / 57.7 A 74.5 A / 70.7 A 76 A / 72.2 A 91.2 A / 86.6 A
Max. AC passthrough current 45.4 A / 43.2 A 45.6 A / 43.3 A 60.8 A / 57.7 A 74.5 A / 70.7 A 76 A / 72.2 A 91.2 A / 86.6 A
THDv (@linear load) <2%
Input AC (Generator side) Max. input power 29.9 kW 30 kW 40 kW 49 kW 50 kW 60 kW
Rated input current 45.4 A / 43.2 A 45.6 A / 43.3 A 60.8 A / 57.7 A 74.5 A / 70.7 A 76 A / 72.2 A 91.2 A / 86.6 A
Rated input voltage 3/N/PE,220V/380V,230V/400V
Rated input frequency 50 Hz / 60 Hz
Efficiency Max. efficiency 97.70%
EU efficiency 97.30%
BAT charged by PV / AC max. efficiency 98.59%/97.89%
Battery discharged efficiency 97.50%
Protection Surge protection DC Type III / AC Type III
Output over current protection Yes
Insulation resistance monitoring Yes
Residual current detection Yes
Integrated PV switch Yes
DC reverse-polarity protection Yes
Protection class / Overvoltage category I/ PV III, battery II, AC III
Integrated AFCI2.0 Optional
Anti-islanding protection Yes
General Data Max. power per phase (grid & back-up) 33% rated power
Dimensions (W × H × D) 530 × 880 × 250 mm
Weight 76 kg
Inverter topology Transformerless
Self-consumption <35 W
Operating temperature range -25 ~ +60℃
Relative humidity 0 - 100%
Ingress protection IP66
Cooling concept Intelligent redundant fan-cooling
Max. operation altitude 4000 m
Grid connection standard<sup>①</sup> G99,VDE-AR-N 4105/VDE V0124,EN 50549-1/EN 50549-10,PTFREE,VDE 0126/XP C15/VFR2019,NTS 631/RD169/UNE 217002,CEI 0-21,CEI 10-6,C10/11,NRS 097-2-1,TOR,EIFS 20182,IEC 62116,IEC 61727,MEA,PEA,PORTARIA Nº140/PORTARIA Nº515
Safety / EMC standard IEC/EN 62109-1/-2,IEC/EN 61000-6-2/-4,EN 55011
Features PV connection MC4 connector
Battery connection Terminal connector
AC connection OT terminal
Display 7.0" LCD display & Bluetooth + APP
Communication interface Standard:WIFI+LAN+Bluetooth,CAN-BMS×2,CAN-Parallel×2,RS485-Meter,RS485,DRM,DI×3,DO×3; Optional:4G