Solar Photovoltaic Grid-Connected Inverter SG60KTL

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1.  Structure of Solar Photovoltaic Grid-Connected Inverter SG60KTL Description

Suitable for 50Hz/60Hz grid, could be used in Asia, Africa and Europe. Available for hand installation, no need for lifting machinery assistance.

IP65;Integrated DC combine and surge protection function



2.  Main Features of the Solar Photovoltaic Grid-Connected Inverter SG60KTL


Handy and light, easy to handle without lift machinery assistance, lower the cost of installation and maintenance.

Integrated DC combine and surge protection function, lower the system cost

DC arc detection function(optional),  further enhance the safety performance


Max. Efficiency at 99%

Integrated string detection function, find mismatch panel in time and accurately

Integrated PV panel PID effect eliminate function( optional), decrease the loss of generation attenuation.


Fullfil a variety of reactive power adjustment requirments with power factor 0.8overexited ~0.8 underexited

Active power continuously adjustable (0~100%)

Integrated LVRT , HVRT  and night SVG function


TÜV, CE, G59/3,  BDEW, CGC and GB-T19964 certification.


3.  Solar Photovoltaic Grid-Connected Inverter SG60KTL Images




4.  Solar Photovoltaic Grid-Connected Inverter SG60KTL Specification

Grid Type


Input Side Data

Max. PV input power


Max. PV input voltage


Startup 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


Output Side Data

Nominal AC output power


Max AC output powerPF=1


Max. AC output apparent power


Max. AC output current


Nominal AC voltage

3P+N+PE/3P+PE, 230/400Vac

AC voltage range


Nominal grid frequency


Grid frequency range

45~55Hz/55~ 65Hz


< 3 %  (Nominal power)

DC current injection

<0.5 %In

Power factor

>0.99@default value at nominal power,(adj. 0.8overexcited ~0.8underexited)


Anti-islanding protection




DC reverse connection protection


AC short circuit protection


Leakage current protection


DC switch


AC switch


DC fuse


PV String detection


ARC detection


DC Overvoltage protection

DC Type II DIN rail surge

AC Overvoltage protection

Optional AC Type II DIN
rail surge arrester

System Data

Max. efficiency


Max. European efficiency


Isolation method


Ingress protection rating


Night power consumption


Operating ambient temperature range

-25~60(>50 derating)

Allowable relative humidity range


Cooling method

Smart forced air cooling

Max. operating altitude

4000m (3000m derating) 


Graphic LCD



DC connection type

MC4/Screw Clamp terminal

AC connection type

Screw Clamp terminal


BDEW,GB/T 19964, GB/T 29319 

Mechanical Data



Mounting method

Wall bracket



*Specifications subject to change without notice.

5.  FAQ of Solar Photovoltaic Grid-Connected Inverter SG60KTL

Q1. What is the difference between inverter and solar inverter?

A1. Inverter only has AC inpput, but solar inverter both connect to AC input and solar panel, it saves more power.


Q2. What is the difference between MPPT&PWM?

A2. MPPT has higher efficiency, it can track the max power point and won't waste energy.


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Q:What is the difference between a PV inverter and a solar inverter?
The main function of photovoltaic grid-connected inverter is to convert the DC power of the solar PV module into the same frequency as the sinusoidal AC power of the grid (the grid is generally AC power grid, DC can not be directly connected)
Q:Is the PV inverter a current source or a voltage source?
For the inverter for the grid system, depending on whether the transformer can be divided into transformer-type inverter and transformer-free inverter.
Q:Three-phase photovoltaic inverter grid, the use of phase-locked loop is what?
In addition to the function of converting DC current into alternating current, the inverter also has the maximum output tracking function (MPPT), overvoltage protection, short circuit protection, island protection, overheat protection, overload protection and DC grounding
Q:The working principle of photovoltaic grid - connected inverter
Inverter will be converted into alternating current DC, if the DC voltage is low, then through the AC transformer boost, that is, the standard AC voltage and frequency. For large-capacity inverter, because the DC bus voltage is high, AC output generally does not require transformer boost that can reach 220V, in the small and medium capacity of the inverter, because the DC voltage is low, such as 12V, 24V, It is necessary to design a boost circuit.
Q:How the output voltage of the PV inverter and the grid-connected voltage are determined
Inverter is the DC power (battery, battery) into alternating current (usually 220V, 50Hz sine wave). It consists of inverter bridge, control logic and filter circuit. Widely used in air conditioning, home theater, electric wheel, power tools, sewing machines, DVD, VCD, computer, TV, washing machine, range hood, refrigerator, video recorders, massage, fan, lighting and so on. In foreign countries
Q:What is the difference between a grid-connected inverter and an off-grid inverter? What are the advantages of a hybrid inverter?
Grid-connected inverter will be directly sent to the power grid, so to track the frequency of the grid, phase, the equivalent of a current source. Of course, there are some inverters that have a low-pressure through the ability to do PQ adjustment.
Q:PV grid-connected inverter can directly load it?
Converter is the AC voltage of the grid into a stable 12V DC output, and the inverter is the AC output of the 12V DC voltage into high-frequency high-voltage alternating current; two parts are also used with more pulse width
Q:What is the difference between a PV grid-connected inverter and an off-grid inverter?
Grid-connected inverter will be directly sent to the power grid, so to track the frequency of the grid, phase, the equivalent of a current source. Of course, there are some inverters called low-voltage crossing ability, you can do PQ adjustment
Q:Photovoltaic grid-connected inverter without DC emc how will happen
light is obtained by the electrons of the semiconductor device, thus generating electrical energy. This energy conversion of light energy into energy, that is, solar cells. Solar cells, like transistors, are made of semiconductors. Its main material is silicon, and there are some other alloys. High-purity silicon used in the manufacture of solar cells is subject to special purification. Solar cells as long as the sun or light exposure,
Q:Generally a large grid-connected photovoltaic power plant will have several inverters
The use of a high-power grid-connected inverter into the grid, the need for line design is relatively simple, because the DC and AC lines are separated, the use of convergence box to summarize, DC bus and then into the grid inverter

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