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Solis 6kW S5 3 Phase Dual MPPT - DC (Pack of 3)
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Solis 6kW S5 3 Phase Dual MPPT - DC (Pack of 3)

SOL-S5-GR3P-6K-DC-3
£1,768.54 ex VAT £2,122.25 inc VAT

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High Conversion EfficiencyMore of your solar reaches the home
MPPT TrackingMaximises yield in changing light
Grid CompliantMeets UK G98 / G99 requirements
Technical Specifications
Rated Power (Pmax)6 kW
Module Efficiency98.3 %
MPPT Quantity2
Min MPPT Voltage160 V
Max MPPT Voltage1,000 V
Max Input Voltage1,100 V
Max DC Power9 kW
Max AC Power (5 min)6.6 kVA
Max DC Current16 A / 16 A
Max DC Inputs2
Height563 mm
Width310 mm
Depth219 mm
Weight17.8 kg
ConnectorMC4
IP RatingIP66
Operating Temperature-25 °C to +60 °C
Warranty5 years standard, extendable to 10, 15 or 20 years
View Full Datasheet

Solis 6kW S5 3 Phase Dual MPPT - DC (Pack of 3)

Solis · S5-GR3P Three Phase

Solis 6kW S5 3 Phase Dual MPPT - DC (Pack of 3)

Solis S5-GR3P Three Phase — Three-phase generation from 3 kW to 20 kW, on one platform.

This listing is a pack of 3 of this inverter, priced for installers buying in volume. Everything below describes the unit itself.

Rated output
6 kWThree phase AC output
Maximum PV input
9 kWArray size this inverter accepts
MPP trackers
2Independent maximum power point trackers
Peak efficiency
98.3 %Conversion efficiency at best
Maximum DC voltage
1,100 VString voltage ceiling
MPPT window
160 – 1,000 VWhere it tracks
Protection rating
IP66Indoor or outdoor mounting
Warranty
5 yearsStandard, extendable to 10, 15 or 20 years
Important

Please read before ordering

This is a bulk pack of 3 x Solis 6kW S5 3 Phase Dual MPPT - DC (SOL-S5-GR3P-6K-DC)
Other available sizes are:
Solis 6kW S5 3 Phase Dual MPPT - DC (Pack of 6)
Overview

About the Solis S5-GR3P Three Phase

Once a property has a three-phase supply — a farm, a workshop, a village hall, a large house on a rural network — three-phase generation is almost always the right answer. It balances the load across all three legs, which keeps the DNO happy, avoids the single-phase export limits that cap larger domestic systems, and usually makes a bigger array approvable.

The Solis S5-GR3P range covers 3 kW to 20 kW in twelve steps on one platform, with a 1,100 V maximum input and a 160 – 1,000 V MPPT window. That wide window is what allows long strings: fewer strings, less DC cable, fewer terminations, and a lower balance-of-system cost on a commercial roof.

All models are dual-tracker. Up to the 9 kW model each tracker takes 16 A across two strings; from 10 kW upward each takes 32 A across four. Efficiency climbs from 98.3 % to 98.7 % across the range, with EU-weighted figures of 97.7 % to 98.1 %.

For the installer

String design, certification and what is in the box

The details that decide whether this unit suits the job:

  • 1,100 V maximum system voltage with a 160 – 1,000 V MPPT range — long strings, fewer of them.
  • Two trackers throughout; 2 strings per tracker to 9 kW, 4 strings per tracker from 10 kW.
  • Integrated AFCI (activation required); integrated DC switch optional, and the SKUs we stock include it.
  • Models to 9 kW are convection cooled and silent; 10 kW and above use intelligent redundant fan cooling.
  • G98 or G99 certified, EN 50549-1, VDE-AR-N 4105. G100 export limitation certificates are attached where applicable.
Applications

Where this inverter earns its place

The S5-GR3P Three Phase is specified most often for these jobs.

Farms and agricultural buildingsLarge roof area, three-phase supply, and daytime load that matches generation.
Workshops and light industrial unitsGeneration profile lines up almost exactly with the working day.
Village halls, churches and schoolsThree-phase supply, big roof, and a grant-funded install that needs G99 paperwork.
Large rural housesWhere the incoming supply is three-phase and the array is bigger than single phase would allow.
Commercial car portsWide MPPT window suits the long, low-current strings that car port structures produce.
Multi-orientation commercial roofsTwo trackers for two roof planes on the same building.
Battery and storage

Can I add a battery to this?

This is a grid-tied PV inverter. It converts solar DC into AC for the property and the grid, and it has no battery port. That is not a shortcoming — it is the right architecture for a system without storage, and it is why it costs what it does.

If storage is on the roadmap, you have two routes. Add an AC-coupled battery system alongside this inverter later, which works with any PV inverter and needs no change to what is already installed. Or choose a hybrid inverter now and pay for a battery port you will use in a year or two. We are happy to talk that trade-off through before you order.

Before you order

Things worth knowing about this listing

These notes come from us and from the manufacturer, and they are the ones that most often cause a problem after delivery:
  • This inverter does not include a data logger, CT, meter or export power manager. The meter SOL-METER-3PH-CT3 is needed for export power control of a single inverter; for more than one inverter use the EPM3-5G-PLUS. The meter requires a data logging stick, while the EPM3-5G-PLUS has one built in. These items are sold separately.
  • This product must be installed by a qualified electrician or technician. All installations must adhere to local wiring regulations and standards. ClearRay Solar will not be held liable for any product malfunctions as a result of incorrectly installed systems.
Technical specification

Solis S5-GR3P6K technical data

This model
Recommended maximum PV power9 kW
Maximum input current16 A / 16 A
Maximum short circuit current20 A / 20 A
Maximum input strings2 / 2
Output and performance
Rated output power6 kW
Maximum apparent output power6.6 kVA
Maximum active output power6.6 kW
Rated output current9.1 A / 8.7 A
Maximum output current9.5 A
Maximum efficiency98.3 %
European weighted efficiency97.7 %
Weight17.8 kg
CoolingNatural convection
Common to the range
Maximum input voltage1,100 V
Rated voltage600 V
Start-up voltage180 V
MPPT voltage range160 – 1,000 V
Number of MPP trackers2
Rated grid voltage3/N/PE, 220 V / 380 V, 230 V / 400 V
Rated grid frequency50 Hz / 60 Hz
Power factor>0.99, adjustable 0.8 leading to 0.8 lagging
THDi<2 %
TopologyTransformerless
Self consumption at night<1 W
Dimensions (W × H × D)310 × 563 × 219 mm
Operating ambient temperature−25 °C to +60 °C
Relative humidity0 – 100 %
Ingress protectionIP66
Maximum operating altitude4,000 m
DC connectionMC4 connector
AC connectionQuick connection plug
DisplayLCD
CommunicationRS485; Wi-Fi and GPRS optional
Integrated AFCI (DC arc fault)Yes, activation required
Surge protectionYes
Strings monitoringYes
Compliance and warranty
Grid connection standardsG98 or G99, VDE-AR-N 4105 / VDE V 0124, EN 50549-1, VDE 0126 / UTE C 15 / VFR:2019, RD 1699 / RD 244 / UNE 206006 / UNE 206007-1, CEI 0-21, C10/11, NRS 097-2-1, TOR, EIFS 2018.2, IEC 62116, IEC 61727, IEC 60068, IEC 61683, EN 50530
Safety and EMCIEC/EN 62109-1/-2, IEC/EN 61000-6-1/-2/-3/-4
Warranty5 years standard, extendable to 10, 15 or 20 years
Specification sourceSolis S5-GR3P(3-20)K datasheet (attached to these products in Shopify)
Frequently asked questions

Questions we get asked about this inverter

Do I need a three-phase supply?

Yes. These inverters connect to a 3/N/PE supply. If you have single phase, look at the S6 range instead.

Why is a three-phase inverter better if I have three phase?

It spreads generation evenly over all three legs. A large single-phase inverter on a three-phase supply unbalances the network, which is exactly what DNO limits exist to prevent.

How long can my strings be?

Up to 1,000 V under the MPPT window and 1,100 V absolute, so typically 20 to 24 modern modules per string. Always calculate Voc at the lowest expected temperature, not at STC.

Is it noisy?

Up to 9 kW, no — convection cooled. From 10 kW there are fans, so keep it out of an office wall if you can.

Can I export-limit it?

Yes, and G100 certification is attached to the listings that carry it. Solis supports export power control natively.

Battery?

No. These are grid-tied PV inverters. For three-phase storage, talk to us about a hybrid or an AC-coupled system.

ClearRay Solar

Documents, advice and trade pricing

Every datasheet, certificate, installation manual and warranty document we hold for this product is in the Documents tab below. See the rest of our inverter range and our solar panels, or email our sales team at sales@clearraysolar.com if you would like us to check a string design or a compatibility question before you order.

High Efficiency 98.3 %More power from the same roof space
IP66 RatedBuilt for UK weather conditions

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Documents & Certificates
Application Note Solis AC Couple Victron set up Guide Application Note Solis Datalogger Guide CE Declaration of Conformity CE Declaration of Conformity SOL-S5-GR3P
Shipping & Returns

Delivery times vary by region:

  • UK — 1-2 business days
  • Highlands & Islands — 1-2 business days

Returns accepted within 14 days of delivery for unused items in original packaging.