The Sungrow SN2203K3D1 power inverter manual provides specifications, installation, wiring, and operation details for the 220 V three‑phase series inverter.
This manual describes the SN2203K3D1 three‑phase 220 V power inverter designed for power plants and substations. It outlines product advantages, performance features, and the technical parameters of the inverter.
Installation instructions, terminal definitions, optional accessories, and communication interface details are included, along with safety and protection functions. The document also provides wiring diagrams and guidelines for mounting the unit. This manual is written in Chinese.
| Input rated voltage | 220 VDC |
|---|---|
| Input rated current | 15.2 A |
| Input voltage range | 180‑300 VDC |
| Noise level (1 m) | ≤45 dB |
| Operating temperature | -10 °C to +50 °C |
| Weight | 42 kg |
| Output rated capacity | 3 KVA |
| Output rated power | 2.4 kW |
| Output voltage / frequency | 220 VAC / 50 Hz |
| Output rated current | 4.6 A |
| Output voltage accuracy | ±3 % |
| THD (linear load) | ≤4 % |
| Power factor | 0.8 |
| Overload capacity | 120 % for 10 min, 150 % for 1 min |
| Insulation strength | 2000 V AC for 1 min |
The inverter accepts a DC input voltage from 180 V to 300 V.
It supports RS‑232/485, CAN, and TCP/IP networks with MODBUS protocol.
It can handle 120 % overload for 10 minutes and 150 % overload for 1 minute.