The Sungrow 3PH Inverter with AFCI 33KW (SG33CX-V112) is a Multi-MPPT String Inverter for a 1000 Vdc System.
The SG33CX-V112 has an Arc-Fault Circuit Interrupter (AFCI) + Surge Protection Device (SPD) type I and II.

This inverter comes in three different performance classes. The integrated NS-protection and the patented external AC-connector make this inverter extremely easy to install and unique in its class.

• Arc detection
• Overvoltage protection type I and II on the DC side

High Yield:

• 3 MPPTs with max. efficiency 98.6%
• Compatible with a bifacial module
• Built-in PID recovery function is optional

Low Cost:

• Compatible with Al and Cu AC cables
• DC 2 in 1 connection enabled
• Cable-free communication with optional Wi-Fi

Smart O&M:

• Touch-free commissioning and remote firmware upgrade
• Online IV curve scan and diagnosis (only compatible with Sungrow logger 
• Fuse-free design with smart string current monitoring

Proven Safety:

• IP66 and C5 protection
• Type II SPD for both DC and AC
• Compliant with global safety and grid code