Description
xSolis 10kW Three Phase Hybrid Solar Inverter High Voltage S6-EH3P10K2-H
The Solis S6-EH3P10K2-H is a 10kW three phase high voltage hybrid solar inverter designed for solar PV and battery storage installations. It connects solar panels, the grid and a compatible high voltage lithium battery system, allowing solar energy to be used during the day, stored in the battery and discharged when needed.
Suited to three phase residential, agricultural and light commercial properties, it supports solar self-consumption, backup power and off-grid operation. The 1000V PV input, dual MPPT design and wide battery voltage range give installers genuine flexibility in system design.
High Solar Input for Maximum Energy Harvesting
The 10kW model supports a recommended maximum PV array size of up to 20kW, with a maximum usable PV input power of 16kW. With a maximum PV input voltage of 1000V, a rated PV voltage of 600V and a wide MPPT operating range from 200V to 850V, the inverter gives professional installers flexible solar string design options. The dual MPPT design provides 2 independent trackers with 2 PV string inputs, which helps where panels face different orientations.
Designed for High Voltage Battery Storage
The S6-EH3P10K2-H works with high voltage lithium battery systems in the range of 120V to 600V. It delivers up to 10kW battery charge and discharge power at up to 50A, with communication via CAN and RS485 for safe, intelligent battery management.
Fast Backup and Off-Grid Support
On-grid to off-grid switching happens in less than 10ms, which keeps essential loads running during a grid outage. In off-grid mode the inverter handles up to 160% overload for 60 seconds, which is enough to start motors, water pumps, compressors and similar inductive loads without tripping.
Flexible System Expansion
Up to 6 units can be run in parallel, allowing the system to grow with the site. Three phase unbalanced output is supported, with each phase able to carry up to 50% of rated power, which reflects how loads actually behave in most real installations rather than ideal lab conditions.
Generator and Existing PV Support
The inverter supports grid side generator access, useful on sites where the grid supply is limited or unreliable. It can also integrate with existing grid-tie PV systems for export control and off-grid use.
Smart Monitoring with SolisCloud
SolisCloud provides remote monitoring, system control and AI-assisted optimisation. Installers and owners can check energy flows, track performance and troubleshoot issues without a site visit.
Applications
- Three phase residential solar battery storage systems
- Commercial solar PV and energy storage installations
- Farms, workshops and small industrial buildings
- Solar self-consumption and peak shaving systems
- Backup power systems with high voltage lithium batteries
- Sites requiring generator backup or off-grid support
Installation Notes
The S6-EH3P10K2-H is a high voltage battery inverter. It must only be used with compatible high voltage lithium battery systems and is not suitable for standard 48V battery banks. Three phase grid connection requires compliance with G99 (UK) or equivalent local regulations. Installation, commissioning and grid connection must be completed by a qualified MCS-accredited installer. Correct DC fusing, AC protection, surge protection and earthing are required for all installations.
Specifications
xModel Information
| Parameter | Value |
| Model | S6-EH3P10K2-H |
| Inverter Type | Three Phase High Voltage Energy Storage Inverter |
| Rated Power | 10kW |
Input DC – PV Side
| Parameter | Value |
| Recommended Maximum PV Array Size | 20kW |
| Maximum Usable PV Input Power | 16kW |
| Maximum Input Voltage | 1000V |
| Rated Voltage | 600V |
| Start-up Voltage | 160V |
| MPPT Voltage Range | 200V to 850V |
| Maximum Input Current | 16A / 16A |
| Maximum Short Circuit Current | 24A / 24A |
| MPPT Number / Maximum Input Strings | 2 / 2 |
Battery
| Parameter | Value |
| Battery Type | Li-ion (high voltage) |
| Battery Voltage Range | 120V to 600V |
| Maximum Charge / Discharge Power | 10kW |
| Maximum Charge / Discharge Current | 50A |
| Communication | CAN / RS485 |
Output AC – Grid Side
| Parameter | Value |
| Rated Output Power | 10kW |
| Maximum Apparent Output Power | 10kVA |
| Rated Grid Voltage | 3/N/PE, 380V / 400V |
| Rated Grid Frequency | 50Hz / 60Hz |
| Rated Grid Output Current | 15.2A / 14.4A |
| Power Factor | >0.99 |
| THDi | <3% |
Output AC – Backup
| Parameter | Value |
| Rated Output Power | 10kW |
| Maximum Apparent Output Power | 16kVA for 60 seconds |
| Backup Switch Time | <10ms |
| Rated Output Voltage | 3/N/PE, 380V / 400V |
| THDv at Linear Load | <2% |
Efficiency
| Parameter | Value |
| Maximum Efficiency | 97.9% |
| EU Efficiency | 97.5% |
| Battery Charged by PV Maximum Efficiency | 98.3% |
| Battery to AC Maximum Efficiency | 97.5% |
General Data
| Parameter | Value |
| Dimensions W x H x D | 600 x 500 x 230mm |
| Weight | 30.2kg |
| Topology | Transformerless |
| Self-consumption at Night | <25W |
| Operating Temperature Range | -25°C to +60°C |
| IP Rating | IP66 |
| Cooling | Natural convection |
| Grid Connection Standard | G98, G99, VDE-AR-N 4105, EN 50549-1, IEC 62116, IEC 61727 |
| Display | LED + Bluetooth + App |
Return Policy
xWe offer a 14-day, no-quibble returns or replacement policy because we want you to be totally satisfied with your purchase.
If you are unhappy in any way with your purchase, you can return it for a refund or a replacement, as long as you return it in the same condition as it arrived (original/undamaged packaging and product) and within 30 days of receiving it. We will pay for your return postage on a faulty item as long as you send it using Royal Mail 2nd class recorded delivery (for EU or International Shipments, you have to use our UPS account, we will provide you with a return label)
Please keep in mind the following:
- Non-faulty items returned after 14 days and/or not in their original, undamaged packaging can only be exchanged for store credit - 15% off the items returned.
- Items returned within 14 days but not in their original and undamaged packaging will also incur a -15% charge per package.
- If you return an item that doesn't adhere to our returns procedure or doesn't include a returns form, you may be liable for a £10 administration fee
- Individual items from a bundle can't be returned, refunded or exchanged. If you want a refund/credit/exchange for a bundle, all items must be returned to us.
Before you return your item, please make sure that:
- You follow our returns process (outlined below)
- The goods and packaging are undamaged
IMPORTANT: We need to be able to identify an item with your order. We can only do this if you follow our returns process. Please do not send us items back that do not follow this process as they cannot be identified properly and will not be replaced or refunded.
What delivery method do I need to use when returning an item?
You must send the goods back to us via Royal Mail 2nd class recorded delivery. Refunds on faulty items returned are reimbursed within 5 working days.
Can I return just one item from multiple purchases?
Yes. Once you start the returns process you will go to a page that will allow you to choose which items you want to be replaced or refunded.
Returning faulty goods
If your item is faulty, you need to follow the returns policy, where you will be able to state that it’s faulty. The product will then arrive at our warehouse for testing.
If your purchase is not within 14 days
You can still exchange your item for a different product or for credit to use on the Voltacon Solar or Ledison-led-lights.co.uk websites (-15% from the credit amount).
Returns outside of the 14-day period do not qualify for the free returns policy.
Returning an item within the warranty
If you have a warranty and want to return a faulty item, you just need to follow our standard returns process. When we receive your item, we will then check that it’s within warranty and for any faults before arranging a replacement.