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Solis 20kW S6-EH3P20K-H Three Phase On-Grid Hybrid Inverter
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Solar Inverters by SOLIS

Solis 20kW S6-EH3P20K-H Three Phase On-Grid Hybrid Inverter

Product ID: 19226
Brand: SOLIS
Warranty: 5 Years
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৳310,000 ৳321,500 Save ৳11,500
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Solis 20kW S6-EH3P20K-H Three Phase Hybrid Inverter – Overview

The Solis 20kW S6-EH3P20K-H Three Phase Hybrid Inverter is a high-performance, high-voltage energy storage solution from the advanced S6 Series, designed for commercial and large residential hybrid solar systems. It supports a massive maximum PV input power of 40kW, a wide battery voltage range of 120-800V, and provides a seamless backup switching time of less than 10ms. Featuring a 7-inch industrial-grade LCD screen, IP66 ingress protection, smart load management, and advanced AI integration, this inverter ensures reliable, intelligent, and scalable energy management for demanding applications in Bangladesh.

Key Benefits

  • 20kW rated output power with a maximum apparent output of 20kVA.
  • 40kW recommended max PV array size with 160% DC oversizing for maximum solar utilization.
  • Seamless switching to backup power in less than 10ms for uninterrupted supply.
  • High-voltage battery support (120-800Vdc) with a 50A max charge/discharge current.
  • 4 MPPT trackers with 4 input strings for flexible PV array design.
  • 1.6 times peak apparent output power for 10 seconds in off-grid mode to handle heavy startup loads.
  • Supports three-phase unbalanced output, allowing up to 40% of rated power per phase.
  • AI intelligently manages charging and discharging based on TOU (Time-of-Use) tariffs.
  • Built-in control for SG-ready heat pumps and seamless integration with VPP/EMS platforms.
  • Supports up to 6 units in parallel for scalable system expansion.
  • IP66 ingress protection for outdoor installation in harsh environments.
  • 7-inch industrial-grade LCD screen with ZEITLER components for easy local operation.
  • 5-Year Official Warranty (extendable to 20 years).

This hybrid inverter is suitable for solar panels and can be connected with solar batteries to build a dependable three-phase hybrid solar energy system for commercial and large residential use.

Technical Specifications

Parameter Value
Input DC (PV side)
Recommended max. PV array size 40 kW
Max. usable PV input power 32 kW
Max. input voltage 1000 V
Rated voltage 600 V
Start-up voltage 160 V
MPPT voltage range 200 – 850 V
Max. input current 4 × 20 A
Max. current per DC input 20 A
Max. short circuit current 4 × 30 A
MPPT number / Max. input strings number 4 / 4
Battery
Battery type Li-ion
Battery voltage range 120 – 800 V
Max. charge / discharge current 50 A
Number of battery port / Number of BMS port 1 / 1
Communication CAN / RS485
Output AC (Grid side)
Rated output power 20 kW
Max. apparent output power 20 kVA
Rated grid voltage 3/N/PE, 220 V / 380 V, 230 V / 400 V
Rated grid frequency 50 Hz / 60 Hz
Rated grid output current 30.4 A / 28.9 A
Power factor > 0.99 (0.8 leading – 0.8 lagging)
THDi < 3%
Input AC (Grid side)
Max. input power 30 kW
Input voltage range 304 – 437 V / 320 – 460 V
Max. input current 45.6 A / 43.3 A
Output AC (Back-up)
Rated output power 20 kW
Max. apparent output power 1.6 time of rated power, 10 s
Back-up switch time < 10 ms
Rated output voltage 3/N/PE, 220 V / 380 V, 230 V / 400 V
Rated frequency 50 Hz / 60 Hz
Rated output current 30.4 A / 28.9 A
Max. AC passthrough current 45.6 A / 43.3 A
THDv (@linear load) < 3%
Input AC (Generator side)
Max. input power 20 kW
Rated input current 30.4 A / 28.9 A
Rated input voltage 3/N/PE, 220 V / 380 V, 230 V / 400 V
Rated input frequency 50 Hz / 60 Hz
Efficiency
Max. efficiency 97.7%
EU efficiency 97.5%
BAT charged by PV / AC max. efficiency 98.5% / 97.2%
Battery discharged efficiency 97.2%
Protection
Surge protection DC Type II / AC Type II (Optional)
Output over current protection Yes
Insulation resistance monitoring Yes
Residual current detection Yes
Integrated PV switch Yes
DC reverse-polarity protection Yes
Protection class / Over voltage category Yes
Anti-islanding protection Yes
General Data
Max. power per phase 40% rated power
Dimensions (W × H × D) 563 × 546 × 250 mm
Weight 35.2 kg
Inverter topology Transformerless
Self-consumption < 25 W
Operating temperature range -25 – +60°C
Relative humidity 0 – 100%
Ingress protection IP66
Noise emission (typical) < 65 dB(A)
Cooling concept Intelligent redundant fan-cooling
Max. operation altitude 2000 m
Grid connection standard EN 50549-1/-10, VDE4105, CEI 0-21, CEI 0-16, NC-RFG TypeB, NRS 097-2-1, LTU-1, G99, PEA
Safety / EMC standard IEC/EN 62109-1/-2, IEC/EN 61000-6-1/-2/-3/-4
Features
PV connection MC4 connector
Battery connection Lever terminal
AC connection OT terminal
Display 7.0″ LCD display & Bluetooth + APP
Communication interface Standard: WIFI-HAN-Bluetooth, CAN-BMS, CAN-Parallel×2, RS485-Meter, RS485, DRM, DI, DO×3
Warranty 5 years (extendable to 20 years)

Ports & Interface Details

  • PV Input: MC4 connectors (4 MPPT trackers, 4 strings).
  • Battery Input: Lever terminals for high-voltage battery connection.
  • AC Grid & Backup: OT terminals for Grid, Backup, and Generator connections.
  • BMS Communication: CAN port for battery communication.
  • Meter/CT: RS485-Meter port.
  • Parallel Communication: 2 CAN-Parallel ports for up to 6 inverters.
  • Remote Monitoring: Standard WIFI-HAN-Bluetooth, optional 4G/LAN dongle.
  • Other: DRM, DI, and DO (x3) ports for advanced control, ON/OFF switch, DC switch.
Disclaimer:
Product descriptions and technical specifications on this website may be generated with the assistance of AI and are provided for reference purposes only. Actual product features, performance, and specifications may vary — please verify all details directly with the official manufacturer's website before purchase. We do not manufacture; we are a seller and are not responsible for discrepancies in product features, behavior, or specifications.

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