The SL2203KD1 power UPS produced by Hefei Sungrow Power Co., Ltd. is specially designed for power plants and substations. It has online, zero-delay conversion function and is mainly used in places with high voltage requirements for loads, such as power remote control, RTU, power carrier, and monitoring.
This document provides a complete overview of the SL2203KD1 power UPS designed for power‑plant and sub‑station applications. It includes product introduction, technical parameters, installation options, terminal definitions and optional accessories.
The manual also details protection mechanisms, alarm functions and communication interfaces (RS232/485), helping users install, operate and maintain the UPS safely and reliably. This manual is written in Chinese.
| Input rated voltage | 220 VDC |
|---|---|
| Input rated current | 5.0 A |
| Output rated capacity | 1.0 KVA |
| Output rated power | 0.8 kW |
| Total harmonic distortion (THD) | ≤ 4 % |
It includes input reverse, under‑voltage and over‑voltage protection, as well as output overload, short‑circuit and over‑heat protection.
When the mains input is lost, the UPS switches to the plant’s DC bus (DC 220 V) and continues to supply the load without interruption.
The unit provides RS232 and RS485 communication ports for connection to a host computer or monitoring system.