RUiXU SUNON7.2 48V 7.2kW Split-Phase Off-Grid Solar Inverter

RUiXU SUNON7.2 48V 7.2kW Split-Phase Off-Grid Solar Inverter

The RUiXU SUNON7.2 is a 48V single/split-phase off-grid inverter with 7,200W of rated output power and 10,800VA maximum output power. It provides 120V/240V AC output, dual MPPT solar charging, up to 150A of solar charging current, hybrid solar and grid charging, timed charge and discharge functions, rapid shutdown support, and WiFi app monitoring. The inverter can operate individually or be connected in parallel with up to six units for larger power systems.

Key Features

• 7,200W Rated Output: Delivers up to 7,200W of rated AC output for compatible residential and commercial off-grid applications.
• 10,800VA Maximum Output: Supports higher short-duration output demands within the inverter's specified operating limits.
• 120V/240V Split-Phase Output: Provides 120V and 240V AC output for compatible electrical loads and split-phase installations.
• 48V Battery Compatibility: Designed for 48V battery systems and supports lithium-ion, lead-acid, and user-defined battery configurations.
• 150A Solar Charging: Supports up to 150A maximum solar charging current for compatible 48V battery systems.
• Solar & Grid Hybrid Charging: Allows charging from solar and grid/generator sources with mixed charging support.
• 120A Grid/Generator Charging: Provides up to 120A maximum charging current from the grid or generator input.
• Dual MPPT Technology: Includes two independent MPPT inputs with up to 99% MPPT tracking efficiency.
• 9,000W Maximum Solar Input: Each MPPT supports up to 4,500W of solar input for a combined maximum of 9,000W.
• 90–450V MPPT Range: Supports photovoltaic operating voltages within the specified MPPT tracking range.
• 500V Maximum PV Open-Circuit Voltage: Accepts solar arrays with a maximum open-circuit voltage of 500VDC.
• Intelligent Time-Sharing: Supports timed charging and discharging to help manage when the battery is charged or discharged.
• Rapid Shutdown Support: Includes rapid shutdown functionality for quickly de-energizing compatible solar PV systems.
• 10ms Typical Switching Time: Provides a typical 10-millisecond switching time for supported operating modes.
• Pure Sine Wave Output: Produces pure sine wave AC power for compatible household and electrical equipment.
• Parallel Expansion: Supports up to six units in parallel for a total rated output of up to 43.2kW.
• Three-Phase Expansion: More than two units connected in parallel can be configured to form a three-phase output system where supported.
• WiFi App Monitoring: The included WiFi dongle provides wireless connectivity for compatible app-based system monitoring.
• Multiple Communication Interfaces: Includes RS485, CAN, USB, and dry-contact communication interfaces.
• Indoor Installation: IP20 protection is specified for indoor-only installation.
• Intelligent Fan Cooling: Uses automatic fan cooling to manage inverter operating temperature.
• 3-Year Warranty: Supplied technical information specifies a 3-year warranty.

Specifications

• Brand: RUiXU
• Model: SUNON7.2
• Inverter Type: Single/split-phase all-in-one off-grid inverter
• Rated Output Power: 7,200W
• Maximum Output Power: 10,800VA
• Rated Output Voltage: 120/240V AC, single-phase/split-phase
• Output Waveform: Pure sine wave
• Rated Frequency: 50/60Hz
• Typical Switching Time: 10ms
• Motor Load Capacity: 4 HP
• Battery Type: Lithium-ion, lead-acid, or user-defined battery
• Rated Battery Voltage: 48V
• Battery Voltage Range: 40–60V DC
• Maximum Solar Charging Current: 150A
• Maximum Grid/Generator Charging Current: 120A
• Maximum Mixed Charging Current: 150A
• Number of MPPT Controllers: 2
• Maximum Solar Input Power: 4,500W + 4,500W
• Maximum Solar Input Current: 16A + 16A
• Maximum PV Open-Circuit Voltage: 500V DC
• MPPT Voltage Range: 90–450V DC
• Grid/Generator Input Voltage Range: 85–140V AC
• Grid/Generator Input Frequency: 50/60Hz
• Bypass Overload Current: 50A
• MPPT Tracking Efficiency: 99%
• Maximum Efficiency: 92%
• Parallel Capacity: 1–6 units
• Three-Phase Capability: More than two units in parallel can form a three-phase output system
• Communication: RS485, CAN, USB, and dry contact
• External Wireless Module: WiFi/GPRS supported
• Cooling Method: Intelligent fan
• Protection Rating: IP20, indoor only
• Operating Temperature: -10°C to 55°C
• Temperature Derating: Output derating above 45°C
• Noise Level: Less than 60dB
• Dimensions: 22.83 × 16.1 × 5 inches
• Weight: Approximately 42.77 lb / 19.4 kg
• Certification: FCC Part 15 Class B, UL1741
• Warranty: 3 years

Suitable Applications

The SUNON7.2 is designed for compatible 48V off-grid solar and energy storage systems used in residential, light commercial, backup power, and renewable energy installations. Its 120V/240V split-phase output and dual MPPT architecture make it suitable for solar battery systems requiring both AC load power and integrated photovoltaic charging.

Battery Compatibility

The inverter is designed for 48V battery systems and supports lithium-ion, lead-acid, and user-defined battery configurations. The specified battery voltage range is 40–60V DC. Select a battery system with compatible voltage, charge-current limits, discharge capabilities, communication requirements, and protection settings before installation.

Solar Charging & MPPT

The SUNON7.2 features two MPPT solar inputs with a combined maximum PV input of 9,000W, using 4,500W per MPPT. Each MPPT supports up to 16A of input current, with a maximum photovoltaic open-circuit voltage of 500V DC and an MPPT operating range of 90–450V DC. The stated MPPT tracking efficiency is up to 99%.

Hybrid Charging

The inverter supports charging from solar and grid or generator sources. The maximum solar charging current is 150A, the maximum grid/generator charging current is 120A, and the maximum mixed charging current is 150A. The time-sharing function also allows charging and discharging periods to be scheduled according to the configured system requirements.

Parallel Expansion

Up to six SUNON7.2 units can be connected in parallel. Six units can provide a combined rated output of up to 43.2kW. The manufacturer's technical documentation also states that installations using more than two units in parallel can form a three-phase output configuration where supported.

WiFi & Communication

The product package includes a WiFi dongle for wireless connectivity and app-based monitoring. The inverter also provides RS485, CAN, USB, and dry-contact communication interfaces for compatible batteries, control equipment, and system accessories.

Included Components

• 1 × SUNON7.2 7.2kW Inverter: Main off-grid inverter unit.
• 1 × 200cm CAT6 Communication Cable: Communication connection for compatible battery systems.
• 1 × Operation Manual: Product installation and operating documentation.
• 1 × WiFi Dongle: Wireless connectivity for compatible app monitoring.

Installation & Operation

The SUNON7.2 is designed for indoor installation and has an IP20 protection rating. Install the inverter in a dry, protected location with adequate ventilation and according to the manufacturer's electrical and installation requirements. Use appropriately sized battery cables, PV conductors, overcurrent protection, disconnects, and grounding equipment for the complete system.

Important Usage Note

Actual inverter output and charging performance depend on battery voltage, solar array configuration, connected load, operating temperature, wiring, source availability, and system configuration. Do not exceed the inverter's rated voltage, current, PV input, or output limits. Verify all battery, solar, grid/generator, communication, and rapid-shutdown requirements before commissioning.