The Deye hybrid solar inverter SUN-12K-SG04LP3-EU is a high-performance three-phase solution developed for residential, commercial, and rural applications that require greater energy capacity and battery storage. With a rated power of 12,000W, compatibility with low-voltage batteries (48V), dual MPPT input, and advanced energy management features, the equipment offers maximum efficiency, security, and flexibility for hybrid and backup systems.

Designed to operate grid-connected or standalone, the inverter allows integration with generators, parallel expansion, and intelligent battery charging and discharging programming, ensuring greater autonomy and energy savings.

Key Features

• Model: SUN-12K-SG04LP3-EU
• Rated power: 12,000W
• Three-phase hybrid inverter
• 48V battery system
• Compatible with lithium and lead-acid batteries
• Auto-adaptation to BMS for lithium batteries
• Maximum charge and discharge current of 240A
• Dual MPPT tracker
• Up to 10 inverters in parallel
• Compatible with diesel generators
• AC Coupling function for retrofitting existing photovoltaic systems
• Programming of up to 6 battery charge and discharge periods
• 100% unbalanced output between phases
• Remote monitoring via Wi-Fi, Bluetooth, 4G, GPRS, or LAN (optional)
• On-grid, off-grid, and hybrid operation.

Solar Input (PV)

• Maximum photovoltaic access power: 24,000W
• Maximum photovoltaic input power: 18,000W
• Maximum PV input voltage: 800V
• Start-up voltage: 160V
• MPPT operating range: 200V to 650V
• Nominal PV voltage: 550V
• Maximum input current: 26A + 13A
• Maximum short-circuit current: 34A + 17A
• Number of MPPTs: 2
• String configuration: 2 / 2+1.

The two independent MPPTs ensure greater flexibility in photovoltaic design and better utilization of solar generation with different module orientations.

Battery System

• Compatible with lithium and lead-acid batteries
• Battery voltage range: 40V to 60V
• Nominal system voltage: 48V
• Maximum charge current: 240A
• Maximum discharge current: 240A
• CAN, RS485, and RS232 communication
• Auto-adaptation to BMS.

AC Output

• Nominal output power: 12,000W
• Maximum apparent power: 13,200VA
• Peak power in off-grid mode: 24,000W for up to 10 seconds
• Nominal input/output current: 20A / 19.1A
• Maximum input/output current: 18.2A / 17.4A
• Nominal voltage: 220/380V or 230/400V
• Frequency: 50Hz / 60Hz
• Three-phase connection: 3L + N + PE
• Adjustable power factor: 0.8 leading to 0.8 lagging
• Maximum grid pass-through current to load: 45A.

Efficiency

• Maximum efficiency: 97.6%
• European efficiency: 97.0%
• MPPT efficiency: greater than 99%
• Total harmonic distortion (THDi): less than 3%.

These indices ensure excellent utilization of solar energy and a greater return on investment over the system's lifespan.

Integrated Protections

• DC reverse polarity protection
• AC overcurrent protection
• AC overvoltage protection
• Short-circuit protection
• Thermal protection
• DC component monitoring
• Anti-islanding protection
• Grid monitoring
• Ground fault monitoring
• Residual current detection (RCD)
• DC terminal insulation monitoring
• Integrated DC disconnect switch
• Type II SPD for DC and AC
• Optional AFCI (arc fault circuit interrupter).

Communication and Monitoring

• RS485
• RS232
• CAN
• Wi-Fi (optional)
• Bluetooth (optional)
• LAN (optional)
• 4G (optional)
• GPRS (optional)
• Complete remote system monitoring.

Dimensions and Weight

• Dimensions: 422 × 658 × 254 mm
• Weight: 38 kg
• Protection rating: IP65
• Noise level: ≤ 55 dB
• Operating temperature: -40°C to +60°C
• Maximum altitude: 2,000 meters
• Intelligent forced ventilation cooling.

Recommended Applications

• Three-phase hybrid solar systems
• High consumption residences
• Farms and rural properties
• Small and medium-sized businesses
• Condominiums
• Energy backup systems
• Projects with battery storage
• Retrofit of existing photovoltaic systems

Competitive Advantages

• Rated power of 12,000W
• Three-phase system with 100% unbalanced output
• Charge and discharge current of up to 240A
• Compatible with 48V lithium batteries
• Up to 24kW of connected photovoltaic power
• Dual MPPT for greater efficiency
• Support for up to 10 inverters in parallel
• Integration with generators
• AC Coupling for modernizing existing systems
• Maximum efficiency of 97.6%
• IP65 protection for outdoor installation
• Complete remote monitoring

The Deye SUN-12K-SG04LP3-EU is the ideal choice for those seeking power, flexibility, and security in three-phase hybrid systems, offering excellent performance for residential, commercial, and rural applications with energy storage.