RUiXU SUNON3.6 48V 3.6kW Single-Phase Off-Grid Solar Inverter

RUiXU SUNON3.6 48V 3.6kW Single-Phase Off-Grid Solar Inverter

The RUiXU SUNON3.6 is a 48V single-phase all-in-one off-grid solar inverter designed for residential and commercial energy-storage systems. It provides 3,600W of rated output power, up to 7,200VA maximum output power, 120V AC output, hybrid solar and grid/generator charging, a 48V battery input, and a 4,500W maximum PV input. The inverter also supports timed charge and discharge functions, rapid shutdown, WiFi/GPRS connectivity through an external module, and parallel connection of up to six units.

Key Features

• 3,600W Rated Output: Delivers up to 3,600W of rated AC power for compatible residential and commercial off-grid systems.
• 7,200VA Maximum Output: Supports higher short-duration output demands within the inverter's specified limits.
• 120V AC Output: Provides 120V AC power for compatible appliances, equipment, and electrical loads.
• 48V Battery Compatibility: Designed for 48V battery systems with a battery operating range of 40–60V DC.
• 80A Solar Charging: Supports up to 80A maximum solar charging current.
• 40A Grid/Generator Charging: Supports up to 40A charging current from compatible grid or generator inputs.
• Hybrid Solar & Grid Charging: Allows charging from solar and grid sources according to system configuration.
• 4,500W Maximum PV Input: Supports photovoltaic arrays up to 4,500W.
• Single MPPT: Uses one MPPT controller with up to 99% MPPT tracking efficiency.
• 90–260V MPPT Range: Supports photovoltaic operating voltages within the specified MPPT tracking range.
• 300V Maximum PV Voltage: Accepts up to 300V DC maximum open-circuit photovoltaic voltage.
• Intelligent Time-Sharing: Supports scheduled charging and discharging to manage energy use according to configured periods.
• Parallel Expansion: Supports connection of 1–6 units, with more than two units capable of forming a split-phase output and more than three units capable of forming a three-phase output.
• Rapid Shutdown: Supports rapid de-energizing of compatible solar PV systems.
• Pure Sine Wave Output: Produces pure sine wave AC power for compatible electrical equipment.
• 10ms Switching Time: Provides a typical switching time of approximately 10 milliseconds.
• 2 HP Motor Load Capacity: Supports motor loads up to the specified 2 HP rating.
• WiFi & App Integration: Supports WiFi/GPRS connectivity through an optional external communication module for system monitoring.
• Multiple Communication Interfaces: Includes RS485, CAN, USB, and dry-contact communication connections.
• Intelligent Fan Cooling: Uses automatic fan cooling to manage operating temperature.
• Indoor Installation: The specified IP20 protection rating is intended for indoor installation only.
• 3-Year Warranty: The supplied product documentation specifies a 3-year warranty.

Specifications

• Brand: RUiXU
• Model: SUNON3.6
• Inverter Type: Single-phase all-in-one off-grid inverter
• Rated Output Power: 3,600W
• Maximum Output Power: 7,200VA
• Rated Output Voltage: 120V AC
• Output Frequency: 50/60Hz
• Output Waveform: Pure sine wave
• Typical Switching Time: 10ms
• Motor Load Capacity: 2 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: 80A
• Maximum Grid/Generator Charging Current: 40A
• Maximum Mixed Charging Current: 80A
• Number of MPPT Controllers: 1
• Maximum PV Input Power: 4,500W
• Maximum PV Input Current: 27A
• Maximum PV Open-Circuit Voltage: 300V DC
• MPPT Voltage Range: 90–260V DC
• Grid/Generator Input Voltage Range: 90–140V AC
• Grid/Generator Input Frequency: 50/60Hz
• Bypass Overload Current: 40A
• MPPT Tracking Efficiency: 99%
• Maximum Efficiency: 91%
• Parallel Capacity: 1–6 units
• Split-Phase Configuration: More than 2 units in parallel can form a split-phase output
• Three-Phase Configuration: More than 3 units in parallel can form a three-phase output
• Communication: RS485, CAN, USB, and dry contact
• External Wireless Module: Optional WiFi/GPRS
• 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: 16.85 × 12.99 × 4.33 inches
• Weight: Approximately 17.86 lb / 8.1 kg
• Certification: FCC Part 15 Class B, UL1741
• Warranty: 3 years

Suitable Applications

The RUiXU SUNON3.6 is designed for compatible 48V off-grid solar and energy-storage systems used in residential, commercial, backup-power, and renewable-energy applications. Its 120V AC output, integrated solar charging, grid/generator charging, and parallel expansion capability make it suitable for systems requiring flexible energy management and modular power expansion.

Battery Compatibility

The SUNON3.6 is designed for 48V battery systems and supports a battery voltage range of 40–60V DC. The inverter is compatible with lithium-ion, lead-acid, and user-defined battery configurations. Confirm battery voltage, charging current, discharge capability, communication requirements, and BMS settings before connecting the battery system.

Solar Charging & MPPT

The inverter includes one MPPT controller with a maximum PV input power of 4,500W. The specified MPPT voltage range is 90–260V DC, with a maximum photovoltaic open-circuit voltage of 300V DC and maximum PV input current of 27A. The stated MPPT tracking efficiency is up to 99%.

Hybrid Charging

The SUNON3.6 supports hybrid charging from solar and grid or generator sources. It provides up to 80A of maximum solar charging current, up to 40A of grid/generator charging current, and up to 80A of maximum mixed charging current.

Parallel Expansion

Up to six SUNON3.6 units can be connected in parallel for larger power systems. According to the supplied documentation, more than two units in parallel can form a split-phase output, while more than three units can form a three-phase output configuration.

Time-Sharing Energy Management

The time-sharing function allows charging and discharging periods to be scheduled according to system requirements. This can be used to control when compatible battery storage is charged or discharged within the configured operating schedule.

WiFi & Communication

The inverter supports WiFi/GPRS through an optional external communication module for monitoring and information access through compatible software. Built-in RS485, CAN, USB, and dry-contact interfaces provide communication options for compatible batteries, control systems, and accessories.

Rapid Shutdown & Protection

The SUNON3.6 supports rapid shutdown functionality for compatible photovoltaic systems. The inverter also includes overload protection, with the supplied documentation specifying output restoration after an overload condition according to the programmed protection sequence.

Included Components

• 1 × SUNON3.6 3.6kW Inverter: Main single-phase off-grid inverter unit.
• 1 × 200cm CAT6 Communication Cable: Communication cable for connection to a compatible battery.
• 1 × Operation Manual: Product installation and operating documentation.
• 1 × WiFi Dongle: Wireless communication accessory supplied with the inverter.

Installation & Operation

The SUNON3.6 has an IP20 protection rating and is specified for indoor installation. Install the inverter in a dry, protected location with adequate ventilation and according to the manufacturer's electrical requirements. Use appropriately sized battery and PV cables, disconnects, overcurrent protection, grounding, and other required electrical equipment for the complete installation.

Important Usage Note

Actual inverter performance depends on battery voltage, battery current capability, PV array configuration, connected loads, grid or generator conditions, ambient temperature, wiring, and operating mode. Do not exceed the inverter's specified PV, battery, AC input, or output limits. Verify compatibility between the inverter, battery, solar modules, generator, communication equipment, and electrical system before installation and commissioning.