Sungrow SG33CX User Manual

5 Electrical Connection User Manual
40
To ensure IP66 protection, use only the connector within the scope of
delivery or the connector with the same ingress of protection.
5.6.2 Connection Procedure
High voltage may be present in the inverter!
 Ensure all cables are voltage-free before performing electrical operations.
 Do not connect the AC circuit breaker before finishing electrical
connection.
Use the MC4 DC terminal within the scope of delivery. Damage to the device
due to the use of incompatible terminal shall not be covered by the warranty.
Step 1 Strip insulation layers of all DC cables by
about 7mm.
7mm
Step 2 Assemble the cable ends with the crimping
pliers.
Positive Crimp Contact
Negative Crimp Contact
Step 3 Lead the cable through cable gland, and insert into the insulator until it
snaps into place. Gently pull the cable backward to ensure firm
connection. Tighten the cable gland and the insulator (torque 2.5 Nm
to 3 Nm).
Crimp Contact
Positive Insulator
Cable Gland
Crimp Contact
Negative Insulator
Cable Gland

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