Hybrid Inverter Solplanet // ASW020K-TH Aiswei ASW020K-TH_AFCI

The Solplanet ASW020K-TH_AFCI hybrid inverter is a three-phase device of commercial/residential class with a nominal power of 20 kW, designed to work with high-voltage LiFePO4 batteries. It offers high-power charging and discharging functionality (PV and AC), EPS mode (backup), DC disconnect switch, and integrated AFCI protection for arc detection.

Manufacturer: Solplanet (brand AISWEI). AISWEI is a Shanghai-based company specializing in the research, development, and production of solutions for solar energy. The company has R&D centers, manufacturing facilities, and international offices, as well as experience in the design and certification of PV inverter and energy storage systems.

Key Electrical Parameters

• Output Power (AC, nominal): 20 000 VA (20 kW)
• Max. PV Array Power: 40 000 Wp
• Max. PV Input Voltage: 1000 V
• MPP Range: 150 V – 950 V (reference point 630 V)
• Minimum PV Start Voltage: 95 V (start), 180 V (feed-in)
• Battery Input (Voltage Range): 120 V – 800 V (LiFePO4)
• Max. Charging Power from PV and Grid: 40 000 W (combined PV/AC)
• Max. AC Charging Power (from grid): 20 000 W
• Max. Discharging Power (from battery): 20 000 W
• AC Frequency and Voltage: 3/N/PE, 230 V / 400 V, 50 Hz / 60 Hz
• Nominal Output Current (@400V): 29.0 A (nominal current), max approx. 31.9 A
• Efficiency (Euro / max): ~97.9% / ~98.4%
• Protective Features and Communication: DC disconnect switch, AFCI (arc detection), surge protection, WLAN / LAN / RS485 communication

Mechanical Parameters

• Dimensions (W x H x D): 769 mm x 491 mm x 285 mm
• Device Weight: 58.0 kg
• Protection Degree: IP66
• Cooling: intelligent (smart cooling / smart cooling concept)
• Mounting Interfaces: wall-mounted
• Communication with BMS / inverter: CAN, RS485, LAN (depending on configuration)
• Classes and Certifications: compliant with international standards (certificates available on request)