Description
Growatt SPE 6000 US Split-Phase Off-Grid Inverter 6kW
Off-grid and backup solar systems in North America increasingly rely on split-phase inverters that can run a full residential load, charge from a generator when the sun is scarce, and expand as demand grows. The Growatt SPE 6000 US is the entry point of Growatt's SPE US series: 6,000W of continuous 120/240V split-phase output, dual MPP trackers, and battery charging up to 140A in a transformerless design that stacks up to nine units.
6kW Split-Phase Output
- 6,000W AC nominal power and 6,000VA maximum apparent power
- 120/240Vac split-phase output (195–255Vac) at 60Hz (58.3–61.7Hz)
- 25A maximum output current on an L1/L2/N/PE connection
- Power factor adjustable from 0.8 leading to 0.8 lagging, THDi below 5%
Dual MPPT Solar Input up to 550Vdc
- 9,000W maximum recommended PV power for a 1.5 DC/AC ratio, 4,500W per tracker
- Two MPP trackers with two PV strings each
- 550Vdc maximum DC voltage, 60–480Vdc MPPT range, 120Vdc startup voltage
- 27A maximum input current and 34A short-circuit current per tracker
- 99% MPPT efficiency, 96.5% peak efficiency, 94.5% CEC efficiency
Battery Charging and Backup Power
- 140A maximum charge and discharge current, 6,000W continuous
- Works with 46–60Vdc lithium and 38.4–60Vdc lead-acid banks
- CAN and RS485 battery communication
- Backup transfer in 20ms or less for a single unit, 30ms or less in parallel
- Overload capability of 10 seconds at 104–120% load and 5 seconds above 120%
Generator and Grid Ready
- Up to 70A grid passthrough and 70A generator input
- Charges directly from a diesel generator during extended outages or low-solar periods
- Smart load connection for a controllable secondary load
Scalable Architecture
- Up to 9 units in parallel for capacity expansion
- Can be configured to form a 220V or 208V three-phase system
Monitoring and Commissioning
The SPE 6000 US carries an onboard LCD and LED display plus RS485, CAN and USB interfaces. Remote monitoring runs over WiFi with the ShineWiFi-F Pro module, or over cellular with the Shine4G-F, both reporting to the Growatt monitoring app and web portal. Local commissioning is handled through the PVKeeper platform.
Protection and Compliance
- AC overcurrent, AC overvoltage, ground fault monitoring, anti-islanding, residual current monitoring, insulation resistance monitoring and surge protection
- Certified to UL 1741 and FCC
- IP20 enclosure, transformerless topology, DC fan cooling, under 75dB typical noise
- Operating range of 14°F to 122°F (-10°C to 50°C), 5–95% relative humidity, up to 6,562 ft (2,000 m)
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