Sungrow SG33CX User Manual

II
About This Manual
The manual mainly describes the product information, guidelines for installation,
operation and maintenance. The manual cannot include complete information
about the photovoltaic (PV) system. You can get additional information about
other devices at www.sungrowpower.com or on the webpage of the respective
component manufacturer.
Validity
This manual is valid for the following inverter types:

SG33CX

SG40CX

SG50CX
They will be referred to as “inverter” hereinafter unless otherwise specified.
Target Group

Plant owner

Installation engineer

Maintenance engineer
How to Use This Manual
Read the manual and other related documents before performing any work on
the inverter is carried out. Documents must be stored carefully and be available
at all times.
The contents of the manual will be periodically updated or revised due to the
product development. It is probably that there are changes of manual in the
subsequent inverter edition. The latest manual can be acquired via visiting the
website at www.sungrowpower.com.
Symbols
Important instructions contained in this manual should be followed during
installation, operation and maintenance of the inverter. They will be highlighted
by the following symbols.

Sungrow SG33CX Specifications

General

Model	SG33CX
Manufacturer	Sungrow
Rated Power	33 kW
Max DC Voltage	1100 V
Max Efficiency	98.7%
Start Voltage	200 V
Total Harmonic Distortion	< 3%
Power Factor at Rated Power	1
DC Connection Type	MC4
Allowable Relative Humidity Range	0 - 100%
Operating Altitude	4000 m
MPPT Voltage Range	200 V - 1000 V
AC Voltage Range	310 V - 480 V
Rated Grid Frequency	50 Hz / 60 Hz
Adjustable Power Factor Range	0.8 leading to 0.8 lagging
Operating Ambient Temperature Range	-25 °C ... +60 °C
Communication	RS485