SG2K / 2K5 / 3K / 3K6 / 4KTL-S

Product catalog summary

Overview: This document provides technical specifications and features of the SG2K / 2K5 / 3K / 3K6 / 4KTL-S string inverters, highlighting their efficiency, installation, and operational parameters.

Specifications:

Maximum efficiency of 98% with a European efficiency slightly lower.
Transformerless design with an IP65 ingress protection rating.
Operating ambient temperature range from -25 to 60℃, with derating above 45℃.
Natural cooling method and a maximum operating altitude of 4000m, with derating above 2000m.
Night power consumption is less than 1W.

Input and Output Data:

Max PV input power ranges from 2000W to 4000W depending on the model.
PV input voltage ranges from 240V to 520V.
Nominal AC output power ranges from 2000W to 4000W.
AC voltage range is 180~276Vac with a nominal grid frequency of 50Hz/60Hz.
Power factor is >0.99 at nominal power, adjustable from 0.8 leading to 0.8 lagging.

Protection and Safety:

Includes anti-islanding protection, LVRT, DC reverse connection protection, AC short circuit protection, and leakage current protection.
Overvoltage protection is provided by varistors.

Mechanical and Installation Data:

Dimensions vary slightly between models, with weights ranging from 9kg to 11kg.
Wall bracket mounting method is used for installation.

Communication and Monitoring:

Optional Wi-Fi monitoring and LED/LCD display for user interface.

Certifications:

Complies with standards such as IEC61000-6-2, IEC61000-6-3, AS/NZS3100, AS4777.2, AS4777.3, VDE-AR-N-4105, VDE0126-1-1, CE, G83/2, C10/11, EN50438, CEI 0-21, CGC.

Additional Features:

Noise level is 30dB, quieter than a household refrigerator.
Plug and play connector type MC4 for DC connection.

Catalog excerpts

High power yield Max. efficiency 98% 30dB noise level, quieter than a household refrigerator Easy installation Optional wifi monitoring Normalized Output Power

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String Inverter Input Side Data Max. PV input power Max. PV input voltage Startup voltage Nominal input voltage MPP voltage range MPP voltage range for nominal power No. of MPPTs Max. number of PV strings per MPPT Max. PV input current Max. current for input connector Nominal AC output power Max. AC output power (PF=1) Max. AC output apparent power Max. AC output current Nominal AC voltage AC voltage range Nominal grid frequency Grid frequency range THD DC current injection Power factor Protection Anti-islanding protection LVRT DC reverse connection protection AC short circuit protection Leakage...

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