Solis 40kW S6-EH3P40K-H Three Phase Hybrid Inverter

Solis 40kW S6-EH3P40K-H Three Phase Hybrid Inverter – Overview

The Solis 40kW S6-EH3P40K-H Three Phase Hybrid Inverter is a powerful, high-voltage energy storage solution from the advanced S6 Series, engineered for large commercial and industrial hybrid solar systems. It boasts an impressive 80kW maximum PV input, a wide 150-800V battery voltage range, and dual independent battery ports supporting up to 140A charge/discharge current. With a 97.8% maximum efficiency, seamless <10ms switching, and a robust IP66 rating, this inverter delivers exceptional performance, scalability, and reliability for demanding energy requirements in Bangladesh.

Key Benefits

• 40kW rated output power with a maximum apparent output of 40kVA.
• 80kW recommended max PV array size with 2x rated PV input for maximum solar utilization.
• Seamless switching to backup power in less than 10ms for uninterrupted supply.
• Dual independent battery ports supporting high-voltage Li-ion batteries (150-800V).
• Max 140A (70A x 2) charge/discharge current for rapid battery cycling.
• 4 MPPT trackers with 8 input strings for flexible and complex PV array designs.
• 1.6 times peak apparent output power for 2 seconds in off-grid mode to handle heavy startup loads.
• Intelligent load prioritization to extend backup time for critical loads.
• Supports both DC and AC coupling for flexible retrofits and system expansions.
• Multi-unit parallel operation up to 500kW for massive system scalability.
• IP66 ingress protection for outdoor installation in harsh environments.
• 7-inch industrial-grade LCD screen with Bluetooth for easy local operation.
• SREDA Approved for net metering in Bangladesh.
• 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 large commercial and industrial use.

Technical Specifications

Ports & Interface Details

• PV Input: MC4 Quick connection plugs (4 MPPT trackers, 8 strings).
• Battery Input: Terminal connectors (2 independent battery ports).
• AC Grid & Backup: Terminal blocks for Grid, Backup, and Generator connections.
• BMS Communication: CAN/RS485 ports for battery communication.
• Meter/CT: Dedicated RS485 port for smart meter, 14-pin terminal block for CT connection.
• Parallel Communication: CAN-Parallel ports (P-A, P-B) for up to 6 inverters (up to 500kW).
• Remote Monitoring: USB COM port for Solis Data Logger (WiFi/LAN/4G).
• Other: DRM port, ATS 380V terminal, DI/DO ports for advanced control, ON/OFF switch, DC switch.

Intelligent Energy Management

• AI Integration: AI intelligently manages charging and discharging based on TOU (Time-of-Use) tariffs.
• Smart Load Management: Prioritizes power to critical loads connected to the backup port to extend backup time.
• Generator Input: Supports generator input across a wide range (20%-100% of rated power) with automatic On/Off control.
• Peak Shaving: Supports peak shaving control in both grid and generator conditions to limit power draw.
• AC Coupling: Supports retrofitting existing grid-tied solar systems to work with the hybrid inverter.
• Unbalanced Output: Allows independent power supply on each phase (up to 33% rated power per phase) to handle uneven load distribution.

Installation & Scalability

The Solis S6-EH3P40K-H is designed for robust installation with dimensions of 530 × 880 × 290 mm and a weight of 73 kg. It features IP66 ingress protection, making it suitable for outdoor installation, and operates efficiently in temperatures ranging from -25°C to +60°C. The system is highly scalable, supporting multi-unit parallel operation up to 500kW (Solis STS cabinet recommended for systems over 6 units). For parallel systems, the parallel communication cables (CAN) must not exceed 5 meters. Ensure a minimum clearance of 500mm around the inverter and 1000mm between the bottom of the machine and the ground for optimal heat dissipation and maintenance access.

SolisCloud App Monitoring

• Real-Time Data: Monitor PV generation, battery status, grid import/export, and load consumption from anywhere.
• Remote Control: Adjust work modes, battery settings, and TOU schedules remotely via the app.
• Smart Diagnosis: Receive detailed alarm codes and troubleshooting suggestions directly on your phone.
• Quick Commissioning: Step-by-step guidance for installers to set up the system quickly via Bluetooth.
• Plant Management: Create and manage multiple plants under one account, view historical yield data, and generate reports.
• Firmware Updates: Remotely upgrade inverter software to ensure optimal performance and access to new features.

Frequently Asked Questions (FAQ)

Q1. What is the rated output power of the Solis S6-EH3P40K-H?
The rated output power is 40kW, with a maximum apparent output power of 40kVA.

Q2. What is the maximum PV input power?
The recommended max PV array size is 80kW, with a max usable PV input power of 80kW.

Q3. What is the maximum efficiency?
The maximum efficiency is 97.8%, with a European efficiency of 97.4%.

Q4. How many MPPT trackers does it have?
It has 4 MPPT trackers with 8 input strings (Max input current: 40A per MPPT).

Q5. What is the battery voltage range?
The battery voltage range is 150 – 800V, designed for high-voltage Li-ion batteries.

Q6. What is the maximum continuous charging and discharging current?
The maximum charge/discharge current is 70A per port (dual battery ports, total 140A).

Q7. What is the backup switching time?
The inverter switches to backup power in less than 10ms.

Q8. What is the ingress protection rating?
It has an IP66 rating, suitable for outdoor installation.

Q9. What is the operating temperature range?
The operating temperature range is -25°C to +60°C.

Q10. Does it support three-phase unbalanced output?
Yes, each phase can support up to 33% of the rated inverter power.

Q11. How many units can be connected in parallel?
It supports multi-unit parallel operation up to 500kW (up to 6 units without an STS cabinet).

Q12. What communication options are available?
It supports CAN, RS485, Ethernet, and optional Wi-Fi, Cellular, and LAN via the Solis Data Logger.

Q13. What warranty does it have?
It comes with a 5-year official warranty, extendable to 20 years.

Q14. Is it SREDA approved?
Yes, it is SREDA Approved for net metering in Bangladesh.

Q15. Does it have a built-in screen?
Yes, it features a 7-inch industrial-grade LCD screen with Bluetooth for local operation and monitoring.

Download Datasheet | Download User Manual | For manufacturer details, see the official page: Solis 40kW S6-EH3P40K-H

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