RUiXU RX-12K 12kW 48V Split-Phase Hybrid Solar Inverter

RUiXU RX-12K 12kW 48V Split-Phase Hybrid Solar Inverter

The RUiXU RX-12K is a 48V split-phase hybrid solar inverter designed for residential and commercial energy storage, solar backup, and off-grid applications. It supports up to 17.1kW of PV input, 120V/240V AC output, lithium-ion or lead-acid batteries, up to 240A battery charging and discharging current, and four MPPT inputs. The inverter also supports AC coupling, generator input, rapid shutdown, UPS operation with a typical switching time of 20ms or less, and integrated 200A transfer switching for whole-home backup systems.

Key Features

• 12kW-Class Hybrid Inverter: Provides up to 11.4kW of rated AC output at 240V for compatible grid-connected and backup power applications.
• 17.1kW Maximum PV Input: Supports solar arrays up to 17,100W under standard test conditions.
• 120V/240V Split-Phase Output: Provides split-phase AC power for compatible residential and commercial electrical systems.
• 48V Battery Compatibility: Supports 48V battery systems with a battery voltage range of 40–60V DC.
• Lithium & Lead-Acid Support: Compatible with lithium-ion and lead-acid battery configurations.
• 240A Maximum Battery Current: Supports up to 240A maximum charging and discharging current for compatible battery systems.
• Four MPPT Inputs: Uses up to four independent MPPT channels to manage multiple PV string configurations.
• 17.1kW Solar Input: Accepts high-capacity photovoltaic systems for larger residential and commercial installations.
• 90–550V MPPT Range: Supports PV operating voltages within the specified MPPT tracking range.
• 600V Maximum PV Voltage: Supports photovoltaic arrays with a maximum open-circuit voltage of 600V DC.
• AC Coupling Capability: Supports retrofitting compatible existing solar systems, including on-grid and off-grid installations.
• Grid & Generator Support: Provides grid and generator input capability for backup and energy-storage applications.
• Integrated 200A Transfer Relay: Supports whole-home backup applications with an integrated 200A transfer relay.
• Rapid Shutdown: Includes integrated rapid shutdown functionality for compatible PV systems.
• UPS Function: Provides a typical transfer time of 20ms or less for supported backup operation.
• Pure Energy Management: Supports operation using grid power, solar power, battery storage, and generator input according to system configuration.
• 97.6% Maximum Efficiency: Provides a maximum inverter efficiency of up to 97.6% under specified operating conditions.
• Bluetooth App Monitoring: Includes LED and app-based monitoring through the inverter communication system.
• WiFi/4G Communication: Supports wireless communication through compatible external modules.
• NEMA 4X / IP65 Protection: Provides enclosure protection suitable for indoor and outdoor installation when installed according to manufacturer requirements.
• Wide Operating Temperature: Designed to operate from -40°C to 60°C, with power derating above 45°C.
• 10-Year Warranty: The supplied technical documentation specifies a 10-year warranty.

Specifications

• Brand: RUiXU
• Model: RX-12K
• Inverter Type: Low-voltage split-phase hybrid inverter
• Rated AC Output at 240V: 11,400W
• Rated AC Output at 208V: 9,880W
• Maximum Apparent Power: 12,540VA
• Backup Output Power at 240V: 11,400W
• Output Voltage: 120/240V AC
• Output Frequency: 60Hz
• Output Waveform: Pure sine wave
• Power Factor: 0.8 leading to 0.8 lagging
• Battery Type: Lithium-ion, lead-acid, or user-defined battery
• Rated Battery Voltage: 48V
• Battery Voltage Range: 40–60V DC
• Maximum Battery Charge/Discharge Current: 240A
• Maximum PV Array Power: 17,100W
• Number of MPPTs: 4
• Maximum PV Voltage: 600V DC
• MPPT Voltage Range: 90–550V DC
• Maximum PV Input Current: 16A per MPPT input
• Number of PV Strings per MPPT: 1
• AC Input Voltage Range: 183–229V / 211–264V for 208V/240V systems
• AC Input Frequency: 50/60Hz
• Maximum Efficiency: 97.6%
• CEC Efficiency: 97%
• Battery-to-AC Maximum Efficiency: 93%
• Typical UPS Switching Time: 20ms or less
• Integrated Transfer Relay: 200A
• Rapid Shutdown: Integrated
• Anti-Islanding Protection: Integrated
• AC Surge Protection: Type II
• DC Surge Protection: Type II
• Over-Voltage Protection: Integrated
• Over-Temperature Protection: Integrated
• Display: LED + app monitoring via Bluetooth
• Communication Ports: RS232, RS485 (RJ45), and DRM (RJ45)
• Wireless Communication: WiFi/4G supported
• Load Monitoring: 24-hour monitoring
• Standby Power Consumption: Less than 10W
• Cooling Method: Smart fan cooling
• Operating Temperature: -40°C to 60°C, with power derating above 45°C
• Ambient Humidity: 0–100% non-condensing
• Maximum Installation Altitude: 4,000m, with power derating above 3,000m
• Noise Level: Less than 40dBA
• Protection Rating: NEMA 4X / IP65
• Mounting: Wall mounting
• Dimensions: 30.7 × 18.5 × 10.2 inches
• Weight: Approximately 110 lb / 50 kg
• Warranty: 10 years
• Safety & EMC Standards: UL 1741 CRD, IEEE 1547, UL 1699B, UL 1998, CAN/CSA C22.2.107.1-1, FCC Part 15 Class B, SRD-UL1741

Suitable Applications

The RUiXU RX-12K is designed for residential, commercial, off-grid, backup power, solar energy storage, and hybrid energy systems. Its 120V/240V split-phase output, high PV input capacity, 48V battery compatibility, generator support, and integrated transfer relay make it suitable for larger home backup systems and compatible commercial installations.

Solar PV & MPPT

The RX-12K supports up to 17.1kW of photovoltaic input through four MPPT channels. The MPPT voltage range is 90–550V DC, with a maximum PV open-circuit voltage of 600V DC. Each MPPT supports up to 16A input current and one PV string per MPPT.

Battery Compatibility

The inverter operates with 48V battery systems and accepts a battery voltage range of 40–60V DC. It supports lithium-ion, lead-acid, and user-defined battery configurations, with maximum battery charging and discharging current of 240A. Battery chemistry, voltage, charge limits, communication requirements, and protection settings should be matched to the selected battery system.

AC Coupling & Generator Support

The RX-12K supports AC coupling for compatible existing solar installations and can be used with grid or generator input. This allows the inverter to be integrated into hybrid energy systems using multiple power sources, subject to the electrical requirements of the complete installation.

Whole-Home Backup & UPS Function

The inverter provides 120V/240V split-phase backup output and includes an integrated 200A transfer relay for compatible whole-home backup applications. The UPS function provides a typical transfer time of 20ms or less, helping connected loads transition to backup power when operating conditions require it.

Rapid Shutdown & Protection

The RX-12K includes integrated rapid shutdown, anti-islanding protection, over-voltage protection, over-temperature protection, and Type II AC and DC surge protection. These functions are designed to support safe operation when the inverter is installed and configured according to applicable electrical requirements.

Monitoring & Communication

The inverter uses an LED display and app-based monitoring through its communication system. RS232, RS485, DRM, and wireless WiFi/4G communication interfaces are provided for compatible monitoring, battery communication, and system-control equipment.

Installation & Operation

The RX-12K is designed for wall-mounted installation and provides NEMA 4X / IP65 enclosure protection for indoor and outdoor installation when properly installed. Provide adequate clearance, ventilation, wiring, disconnects, grounding, overcurrent protection, and other required electrical equipment according to the manufacturer's installation instructions and applicable local codes.

Important Usage Note

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