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Ongrid Inverters

The ST series is applicable to various rooftops and OTHER small to large scale PHOTOVOLTAIC grid power plants to produce electricity.

This series is transformer less and has a range of MPPT input voltage.

The wide range of input voltage enables us to use the system with various types of solar panels including high efficiency CIS panels.

It has waterproof direct plug-in terminals. It has overvoltage, islanding, short-circuit, overloading and overheating protection functions. Its IP65 protection degree will ensure it runs well in various tough environments.

Other Features:

  • The maximum efficiency of the inverter can each 97.60%
  • MPPT  efficiency >98.50%
  • Non-fan design
  • Internal GFCI Device
  • Build-in leakage current protection device
  • IP65 protection device
  • Transfromer –less design
  • Optional DC switch
  • RS232 &RS485 communication
  • Meets RoHS
  • Designed for hanging with simple and easy installation

use

USE thin film CIS Monocrystaline Solar panels for better results in windy, cloudy and dusty environments.

Product Description

  • ST3KW/ST5KW
  • 48V SYSTEM
  • For Home, Offices, Institutions, Warehouses & Factories
Input data

ST3KW

ST5KW

Max.DC power

3000

5200W

Max.DC voltage

500

550V

System start-up voltage

150V

150V

PV voltage range MPPT

250V-400V

280V-530V

Max.input current

13A

19A

DC voltage ripple

< 5%

< 5%

Number of MPP trackers

1

1

Max.number of strings

2

4

Output data
Nominal AC output

2800W

5000W

Max.AC power

3000W

5000W

Max.output current

16A

23A

THD of AC current

< 3%

Grid voltage range

180V-280V

220V-240V

Grid frequency range

50Hz/60Hz

50Hz/60Hz

power factor(cos f)

0.99

1

Number of feed-in phases

single-phase

General
DC connections

MC4

AC connections

plug connector

Display

LCD/LED

Accessory interfaces

RS485/RS232

Standard warranty

5 years

Certificates

CE/VDE/TUV/AS

Device protection
Reverse polarity protection short-circuit diode
DC switch optional
Short-circuit proof Yes
Ground fault monitoring Yes
Grid monitoring Yes
Ground fault current detection optional
Physical
Dimensions(height x width x depth) 415x376x125 457x368x195
Weight 14.1KG 20kg
Ambient temperature -25 C° to +60 C°
Noise development <30 dB(A)
Power Consumption Night – <0.2W
Topological structure transformer less
Cooling free convection
IP degree of protection IP65

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