Energidea
Viessmann Vitocharge VX3 8.0A

Viessmann

Series: Viessmann Vitocharge VX3 Series

Vitocharge VX3 8.0A

Three-phase hybrid inverter all-in-one system with 4 kWh LFP battery

Partially verified

Best for

  • + Residential installations
  • + Three-phase installations
  • + Residential PV systems 5-10 kWp
  • + Projects requiring long warranty coverage
  • + LFP battery applications - verify cycle life from datasheet

Not ideal for

  • ! Large-scale C&I projects - consider commercial product line
  • ! Single-phase installations (unless manufacturer confirms support)
  • ! Backup/battery-backup projects (no EPS functionality)
  • ! Projects requiring future expansion - AIO unit does not support parallel expansion

In the Viessmann Vitocharge VX3 Series series

This is the 4 kWh variant.

Compared to other models

  • - 0% larger capacity than Vitocharge VX3 3.6A
  • - Maximum capacity option in this series.

Ideal for

Ideal for projects that prioritize maximum stored energy in the series while keeping 8 kW as the design reference.

Key Specifications

Phase

THREE_PHASE

Rated Output Power

8 kW

Vendor
Show All Specifications

Kernwerte

AC-Phase3PVendor
AC-Nennleistung8 kWVendor
Max. AC-Ausgangsstrom11.6 AVendor
Leistungsfaktor-Bereich0.8...1Vendor
THD-Vendor
MPPT-Anzahl3Vendor
Max. DC-Spannung1000 VVendor
MPPT-Spannungsbereich150...850 VVendor
Max. Strom pro MPPT13 AVendor
Empf. PV-Leistung12 kWpVendor
Max. Wirkungsgrad97.5 %Vendor
EU-Wirkungsgrad97 %Vendor

Batterie

BatteriechemieLFPVendor
BatteriespannungsklasseHVVendor
Batteriekapazitaet Min4 kWhVendor
Batteriekapazitaet Max12 kWhVendor
Max. Ladeleistung5 kWVendor
Max. Entladeleistung5 kWVendor
Rundlaufwirkungsgrad-

Backup

Backup / EPS unterstützttrueVendor
Backup-Nennleistung8 kWVendor
Umschaltzeit-Vendor
SchwarzstartJaVendor
ParallelbetriebNeinVendor
Max. Parallel-Einheiten-Vendor
Generator-Eingang unterstützt-

EMS & Kommunikation

EMS-ModiSelf-consumption, BackupVendor
Exportbegrenzung unterstützttrueVendor
Unterstützter ZählertypModbus RTUVendor
Remote-Monitoring-PlattformViCareVendor
API unterstützttrueVendor

Umgebung & Mechanik

Kuehlmethode-Vendor
IP-SchutzartIP20Vendor
Betriebstemperatur5...35Vendor
Max. Hoehe2000 mVendor
Feuchtigkeitsbereich0...95%Vendor
Anschlussklemmentyp-
Max. Kabelquerschnitt-
Abmessungen (B x H x T)600 x 500 x 250 mmVendor
Gewicht30 kgVendor
Geraeusch40 dB(A)Vendor

Konformitaet & Garantie

DC-Überspannungsschutz-Vendor
AC-Überspannungsschutz-Vendor
AFCIJaVendor
NetzentkupplungJaVendor
ZertifizierungenVDE-AR-N 4105, CEVendor

Data Confidence & Verification

Partially verified

Data Sources

  • + Official datasheet - verified 2026-04-08
  • - Installation Manual - not available
  • - Certificate - not available

Data gaps that may affect your decision

  • ! Outdoor temperature range not specified - confirm outdoor suitability.
  • ! IP rating not documented - confirm installation location suitability.

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Compliance & Certifications

No compliance data available for this product.

Certifications

-

Documents & Downloads

DATASHEET PDF

Compatible Products - coming in Phase 3
Compare this productView SeriesStart Product MatchContact Vendor / Request Quote

Product data is sourced from manufacturers, official websites, and community contributions. Energidea does not guarantee completeness or accuracy. Installers should verify specifications, certifications, and compatibility with manufacturer documentation before quotation.

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Typische Systemkonfiguration

Standard Self-Consumption

Residential PV with storage

Netztyp: On-grid

Geeignet fuer: Single-family homes seeking energy independence

Hauptkomponenten

Vitocharge VX3, PV Arrays, ViCare App

Hinweise

Optimizes solar usage for household loads.

Haftungsausschluss: For reference only. Final system configuration should be confirmed based on local regulations, grid requirements, and project conditions.

Full Energy Management

PV + Storage + Heat Pump integration

Netztyp: On-grid

Geeignet fuer: Smart homes with high thermal and electrical coordination needs

Hauptkomponenten

Vitocharge VX3, Vitocal Heat Pump, Energy Meter

Hinweise

Direct communication between inverter and heating system.

Haftungsausschluss: For reference only. Final system configuration should be confirmed based on local regulations, grid requirements, and project conditions.

Emergency Backup

Resilience against power outages

Netztyp: Hybrid with Backup

Geeignet fuer: Regions with unstable grid infrastructure

Hauptkomponenten

Vitocharge VX3, Backup Switch Box

Hinweise

Provides power to essential loads during grid failure.

Haftungsausschluss: For reference only. Final system configuration should be confirmed based on local regulations, grid requirements, and project conditions.

Verwandte Produkte

Vitocharge VX3 6.0AProdukt anzeigenVitocharge VX3 4.6AProdukt anzeigenVitocharge VX3 3.6AProdukt anzeigen