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Three-phase string inverters

HOLTWAVE

Grid-certified, market by market.

VDE-AR-N4105UL 1741
Request a quoteSee certification
Model range

Three-Phase String Inverter Range

8 / 30 / 110 kVA — pick the tier your project needs, not a spec sheet you have to decode.

{r.model} string inverter
HW-8K
Residential 3-Phase
Output8 kVA · 400 V
Peak eff.98.2%
ProtectionIP65
VDE-AR-N4105G98IEC 62109
Configure
{r.model} string inverter
HW-30K
Commercial 3-Phase
Output30 kVA · 400 V
Peak eff.98.6%
ProtectionIP66
VDE-AR-N4105G99UL 1741
Configure
{r.model} string inverter
HW-110K
Utility 3-Phase
Output110 kVA · 800 V
Peak eff.98.8%
ProtectionIP66
VDE-AR-N4105G99UL 1741 SB
Configure
First screen, then compliance

Grid-Code & Safety Certification Matrix

No grid-code, no project. Confirm the standard for your market before you spec anything.

ModelDEUKUSAUValidity
HW-8KVDE-AR-N4105G98—AS/NZS 4777.2Valid to 2027
HW-30KVDE-AR-N4105G99UL 1741 SAAS/NZS 4777.2Valid to 2028
HW-110KVDE-AR-N4105G99UL 1741 SBAS/NZS 4777.2Valid to 2029
Certified inverter installation
Where already feeding the grid

Grids Fed by Holtwave

Projects by country, capacity and application — the record a roof-top installer or EPC reads first.

Ground-mount solar array with Holtwave inverters
Germany
1.8 MW — Ground-mount utility
EU installer
United Kingdom
640 kW — Commercial rooftop
UK EPC
Australia
2.4 MW — Grazing-land array
AU solar farm
Italy
380 kW — Carport PV
IT integrator
United States
1.1 MW — Utility-scale
US developer
Discuss a project
Before you ask

Compatibility & Communication Matrix

The highest-frequency pre-sale question — answered as a table, not a paragraph.

ModelCompatible stringsProtocolLimit
HW-8K2 · 16 A/stringModbus RTUNo battery
HW-30K4 · 32 A/stringModbus · CANAC-coupled
HW-110K6 · high-VModbus TCPGrid-support
Not marketing — documents

Manuals, Wiring & Fault Codes

For the installer who wires it up, not the buyer who reads the brochure.

Holtwave inverter wiring and mounting, shown with the installation manual
Installation & wiring manual
PDF
Wiring diagram pack
PDF
Fault code reference
PDF
Grid-code certificates
PDF
Firmware & monitoring
ZIP
Ask for a datasheet
Instead of a site visit

Factory Audit & Test Capacity

Audited production and a semi-automated endurance and salt-fog lab.

26,000 m²
Production floor
3.2 GWh
Annual inverting capacity
91%
Export share
24
Power-electronics engineers
Holtwave production and test line
Scope it

Spec Your Inverter, Get a Quote

Tell us the market and the size — we respond with the certification that fits it.

< 24hquotation turnaround
6grid codes in scope
3tiers, one sheet