Product Series Overview
Viessmann Viessmann Vitocharge VX3 Series
4 Sub-models
Selling Points
- Compact all-in-one design for space-saving indoor installation.
- Integrated black start function for security during grid failures.
- Seamless integration with Viessmann energy management and heat pumps.
Applicable Countries
AustriaBelgiumSwitzerlandCzechiaGermanySpainFranceItalyLuxembourgNetherlandsPoland
Sub-models
4
Installer AI Prompt
Generate installer-ready prompt templates for ChatGPT or Gemini.
Technical Data
| Field | Vitocharge VX3 3.6A View Model | Vitocharge VX3 4.6A View Model | Vitocharge VX3 6.0A View Model | Vitocharge VX3 8.0A View Model |
|---|---|---|---|---|
| Core Electrical | ||||
| AC Phase | 1P | 1P | 3P | 3P |
| AC Rated Power | 3.68 kW | 4.6 kW | 6 kW | 8 kW |
| Max AC Output Current | 16 A | 20 A | 8.7 A | 11.6 A |
| Power Factor Range | 0.8...1 | 0.8...1 | 0.8...1 | 0.8...1 |
| THD | - | - | - | - |
| MPPT Count | 2 | 2 | 3 | 3 |
| Max DC Voltage | 550 V | 550 V | 1000 V | 1000 V |
| MPPT Voltage Range | 85...450 V | 85...450 V | 150...850 V | 150...850 V |
| Max Current per MPPT | 13 A | 13 A | 13 A | 13 A |
| Recommended PV Power | 5.5 kWp | 7 kWp | 9 kWp | 12 kWp |
| Max Efficiency | 97 % | 97 % | 97.5 % | 97.5 % |
| EU Efficiency | 96.5 % | 96.5 % | 97 % | 97 % |
| Battery | ||||
| Battery Chemistry | LFP | LFP | LFP | LFP |
| Battery Voltage Class | HV | HV | HV | HV |
| Battery Capacity Min | 4 kWh | 4 kWh | 4 kWh | 4 kWh |
| Battery Capacity Max | 12 kWh | 12 kWh | 12 kWh | 12 kWh |
| Max Charge Power | 3.5 kW | 3.5 kW | 5 kW | 5 kW |
| Max Discharge Power | 3.5 kW | 3.5 kW | 5 kW | 5 kW |
| Round-trip Efficiency | - | - | - | - |
| Backup | ||||
| Backup / EPS Supported | true | true | true | true |
| Backup Rated Power | 3.68 kW | 4.6 kW | 6 kW | 8 kW |
| Switch Time | - | - | - | - |
| Black Start | Yes | Yes | Yes | Yes |
| Parallel Support | No | No | No | No |
| Max Parallel Units | - | - | - | - |
| Generator Input Supported | - | - | - | - |
| EMS & Communication | ||||
| EMS Modes | Self-consumption, Backup | Self-consumption, Backup | Self-consumption, Backup | Self-consumption, Backup |
| Export Limitation Supported | true | true | true | true |
| Meter Type Supported | Modbus RTU | Modbus RTU | Modbus RTU | Modbus RTU |
| Remote Monitoring Platform | ViCare | ViCare | ViCare | ViCare |
| API Supported | true | true | true | true |
| Environment & Mechanical | ||||
| Cooling Method | - | - | - | - |
| IP Rating | IP20 | IP20 | IP20 | IP20 |
| Operating Temp Range | 5...35 | 5...35 | 5...35 | 5...35 |
| Max Altitude | 2000 m | 2000 m | 2000 m | 2000 m |
| Humidity Range | 0...95% | 0...95% | 0...95% | 0...95% |
| Wiring Terminal Type | - | - | - | - |
| Max Cable Size | - | - | - | - |
| Dimensions (W x H x D) | 600 x 500 x 250 mm | 600 x 500 x 250 mm | 600 x 500 x 250 mm | 600 x 500 x 250 mm |
| Weight | 25 kg | 25 kg | 30 kg | 30 kg |
| Noise | 40 dB(A) | 40 dB(A) | 40 dB(A) | 40 dB(A) |
| Compliance & Warranty | ||||
| DC Surge Protection | - | - | - | - |
| AC Surge Protection | - | - | - | - |
| AFCI | Yes | Yes | Yes | Yes |
| Anti-islanding | Yes | Yes | Yes | Yes |
| Certifications | VDE-AR-N 4105, CE | VDE-AR-N 4105, CE | VDE-AR-N 4105, CE | VDE-AR-N 4105, CE |