Our 8-20K LT-G2 series three-phase inverter developed for the benchmark of the large-scale commercial, industry, and residential decentralized PV system, which demands high performance, quick installation, easy commissioning, less maintenance, and durable reliability. A wide MPP voltage range with 150% oversizing of the PV array ensures optimal energy yield and applicable flexibility in nearly every situation. With a rated 13A input current per string, it’s ideal for bifacial and large area PV modules. Compact wall mounting with IP66 rated design concrete sustainable usability against most environmental impacts. With a smart cloud-based monitoring app, it’s practical to keep tracking your PV system wherever you are.

Category：Single Phase Grid Tie Inverter

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Product Features

Product Features

Flexible	Elegant	Reliable
* Wide input voltage range	* Fashion appearance, lightweight and simple	* Battery reverse connection protection
* Compatible with lead acid and lithium batteries and other battery type	* Natural cooling, quiet with only 35dB noise	* Compatible with anti-countercurrent function
	* Compact design with IP65 casing for outdoor use	* Discharge at full power, automatically disconnect the charger when the battery is full
	* Simplified wall mounting

Advanced

* Home smart energy management system

* Power dispatch and demand response management

* Distributed virtual power station management

Technical Data：NK -LB3000P1

DC Input(Solar)

Max. DC power (@cosφ=1)	4600 Wp STC
Max. input voltage	550 V
MPP voltage range / rated input voltage	125 V to 500 V / 360 V
Initial input voltage	120V
Max. input current per string	14A /14A
No. of independent MPPT inputs / strings per MPPT input	2/1

AC Output

Rated power	3000VA
Nominal AC voltage / range	230V / 176V-270V
AC power frequency / range	50 Hz / 45 Hz to 55 Hz 60 Hz / 55 Hz to 65 Hz
Max. output current	13 A
Power factor at rated power	1
Adjustable displacement power factor	0.99 lagging to 0.99 leading
THDI	< 3%
Type of grid connection	L+N+PE

Battery Data

Battery Voltage Range	40V-58V
Max. Charge Voltage	58V
Max. Charge/Discharge current	95A/62.2A
Battery Type	Lead-acid/Lithium/LiFePO4 batterty
Communication interface	CAN

Emergency power output(EPS)

Rated power	3000VA
Nominal AC ouput voltage	230Vac
AC power frequency / range	50 Hz / 45 Hz to 55 Hz 60 Hz / 55 Hz to 65 Hz
Max. output current	13 A
Automatic switch time	＜20ms
THDU	＜2%
Overload capacity	110%,60S/120%,30S/150%,10S

General Data

Battery charge and discharge efficiency	95%
Max. efficiency / European Efficiency	97.6%/97%
MPTT efficiency	99.90%
Degree of protection	IP65
Noise emission (typical)	< 35 dB(A)@1m
Operating temperature range	-25°C … +60°C
Cooling concept	Natural cooling
Relative humidity (non-condensing)	0-95% no condensation
Max. operating altitude	4000m (>2000m derating)
Dimensions (W x H x D)	550 / 200 / 515 mm
Weight	26 kg
Topology	transformerless
Self-consumption (night)	< 3W

Display and Commumication

Display	LCD
Communication RS485/wifi/GPRS/CAN/DRM	Yes/optional/optional/yes/yes
Certificates and approvals	CE/TUV/SAA/IEC62116:2014/IEC61683:1999

Product Features

Flexible	Elegant	Reliable
* Wide input voltage range	* Fashion appearance, lightweight and simple	* Battery reverse connection protection
* Compatible with lead acid and lithium batteries and other battery type	* Natural cooling, quiet with only 35dB noise	* Compatible with anti-countercurrent function
	* Compact design with IP65 casing for outdoor use	* Discharge at full power, automatically disconnect the charger when the battery is full
	* Simplified wall mounting

Advanced

* Home smart energy management system

* Power dispatch and demand response management

* Distributed virtual power station management

Technical Data：NK -LB5000P1

DC Input(Solar)

Max. DC power (@cosφ=1)	7000 Wp STC
Max. input voltage	550 V
MPP voltage range / rated input voltage	125 V to 500 V / 360 V
Initial input voltage	120V
Max. input current per string	14A /14A
No. of independent MPPT inputs / strings per MPPT input	2/1

AC Output

Rated power	5000VA
Nominal AC voltage / range	230V / 176V-270V
AC power frequency / range	50 Hz / 45 Hz to 55 Hz 60 Hz / 55 Hz to 65 Hz
Max. output current	21.7A
Power factor at rated power	1
Adjustable displacement power factor	0.99 lagging to 0.99 leading
THDI	< 3%
Type of grid connection	L+N+PE

Battery Data

Battery Voltage Range	40V-58V
Max. Charge Voltage	58V
Max. Charge/Discharge current	95A/104.2A
Battery Type	Lead-acid/Lithium/LiFePO4 batterty
Communication interface	CAN

Emergency power output(EPS)

Rated power	5000VA
Nominal AC ouput voltage	230Vac
AC power frequency / range	50 Hz / 45 Hz to 55 Hz 60 Hz / 55 Hz to 65 Hz
Max. output current	21.7 A
Automatic switch time	＜20ms
THDU	＜2%
Overload capacity	110%,60S/120%,30S/150%,10S

General Data

Battery charge and discharge efficiency	95%
Max. efficiency / European Efficiency	97.6%/97%
MPTT efficiency	99.90%
Degree of protection	IP65
Noise emission (typical)	< 35 dB(A)@1m
Operating temperature range	-25°C … +60°C
Cooling concept	Natural cooling
Relative humidity (non-condensing)	0-95% no condensation
Max. operating altitude	4000m (>2000m derating)
Dimensions (W x H x D)	550 / 200 / 515 mm
Weight	26 kg
Topology	transformerless
Self-consumption (night)	< 3W

Display and Commumication

Display	LCD
Communication RS485/wifi/GPRS/CAN/DRM	Yes/optional/optional/yes/yes
Certificates and approvals	CE/TUV/SAA/IEC62116:2014/IEC61683:1999

Product Features

Flexible	Elegant	Reliable
* Wide input voltage range	* Fashion appearance, lightweight and simple	* Battery reverse connection protection
* Compatible with lead acid and lithium batteries and other battery type	* Natural cooling, quiet with only 35dB noise	* Compatible with anti-countercurrent function
	* Compact design with IP65 casing for outdoor use	* Discharge at full power, automatically disconnect the charger when the battery is full
	* Simplified wall mounting

Advanced

* Home smart energy management system

* Power dispatch and demand response management

* Distributed virtual power station management

Technical Data：NK -LB3000P1

DC Input(Solar)

Max. DC power (@cosφ=1)	4600 Wp STC
Max. input voltage	550 V
MPP voltage range / rated input voltage	125 V to 500 V / 360 V
Initial input voltage	120V
Max. input current per string	14A /14A
No. of independent MPPT inputs / strings per MPPT input	2/1

AC Output

Rated power	3000VA
Nominal AC voltage / range	230V / 176V-270V
AC power frequency / range	50 Hz / 45 Hz to 55 Hz 60 Hz / 55 Hz to 65 Hz
Max. output current	13 A
Power factor at rated power	1
Adjustable displacement power factor	0.99 lagging to 0.99 leading
THDI	< 3%
Type of grid connection	L+N+PE

Battery Data

Battery Voltage Range	40V-58V
Max. Charge Voltage	58V
Max. Charge/Discharge current	95A/62.2A
Battery Type	Lead-acid/Lithium/LiFePO4 batterty
Communication interface	CAN

Emergency power output(EPS)

Rated power	3000VA
Nominal AC ouput voltage	230Vac
AC power frequency / range	50 Hz / 45 Hz to 55 Hz 60 Hz / 55 Hz to 65 Hz
Max. output current	13 A
Automatic switch time	＜20ms
THDU	＜2%
Overload capacity	110%,60S/120%,30S/150%,10S

General Data

Battery charge and discharge efficiency	95%
Max. efficiency / European Efficiency	97.6%/97%
MPTT efficiency	99.90%
Degree of protection	IP65
Noise emission (typical)	< 35 dB(A)@1m
Operating temperature range	-25°C … +60°C
Cooling concept	Natural cooling
Relative humidity (non-condensing)	0-95% no condensation
Max. operating altitude	4000m (>2000m derating)
Dimensions (W x H x D)	550 / 200 / 515 mm
Weight	26 kg
Topology	transformerless
Self-consumption (night)	< 3W

Display and Commumication

Display	LCD
Communication RS485/wifi/GPRS/CAN/DRM	Yes/optional/optional/yes/yes
Certificates and approvals	CE/TUV/SAA/IEC62116:2014/IEC61683:1999

Product Features

Flexible	Elegant	Reliable
* Wide input voltage range	* Fashion appearance, lightweight and simple	* Battery reverse connection protection
* Compatible with lead acid and lithium batteries and other battery type	* Natural cooling, quiet with only 35dB noise	* Compatible with anti-countercurrent function
	* Compact design with IP65 casing for outdoor use	* Discharge at full power, automatically disconnect the charger when the battery is full
	* Simplified wall mounting

Advanced

* Home smart energy management system

* Power dispatch and demand response management

* Distributed virtual power station management

Technical Data：NK -LB5000P1

DC Input(Solar)

Max. DC power (@cosφ=1)	7000 Wp STC
Max. input voltage	550 V
MPP voltage range / rated input voltage	125 V to 500 V / 360 V
Initial input voltage	120V
Max. input current per string	14A /14A
No. of independent MPPT inputs / strings per MPPT input	2/1

AC Output

Rated power	5000VA
Nominal AC voltage / range	230V / 176V-270V
AC power frequency / range	50 Hz / 45 Hz to 55 Hz 60 Hz / 55 Hz to 65 Hz
Max. output current	21.7A
Power factor at rated power	1
Adjustable displacement power factor	0.99 lagging to 0.99 leading
THDI	< 3%
Type of grid connection	L+N+PE

Battery Data

Battery Voltage Range	40V-58V
Max. Charge Voltage	58V
Max. Charge/Discharge current	95A/104.2A
Battery Type	Lead-acid/Lithium/LiFePO4 batterty
Communication interface	CAN

Emergency power output(EPS)

Rated power	5000VA
Nominal AC ouput voltage	230Vac
AC power frequency / range	50 Hz / 45 Hz to 55 Hz 60 Hz / 55 Hz to 65 Hz
Max. output current	21.7 A
Automatic switch time	＜20ms
THDU	＜2%
Overload capacity	110%,60S/120%,30S/150%,10S

General Data

Battery charge and discharge efficiency	95%
Max. efficiency / European Efficiency	97.6%/97%
MPTT efficiency	99.90%
Degree of protection	IP65
Noise emission (typical)	< 35 dB(A)@1m
Operating temperature range	-25°C … +60°C
Cooling concept	Natural cooling
Relative humidity (non-condensing)	0-95% no condensation
Max. operating altitude	4000m (>2000m derating)
Dimensions (W x H x D)	550 / 200 / 515 mm
Weight	26 kg
Topology	transformerless
Self-consumption (night)	< 3W

Display and Commumication

Display	LCD
Communication RS485/wifi/GPRS/CAN/DRM	Yes/optional/optional/yes/yes
Certificates and approvals	CE/TUV/SAA/IEC62116:2014/IEC61683:1999

Reliable

* Compliance with international quality and safety standards.

* Comprised of DC reverse polarity protection and AC sensitive residual-current monitoring function, focus on your safety of person and device as well.

* Built-in surge protection device (type II), protect your inverter against lightning threats.

* IP66 rated design with powder coating housing concrete sustainable usability against most environmental impacts.

Powerful

* Compact electromechanics design with optimized thermodynamics generates high power density

* Wide MPP voltage range with 150% oversizing of the PV array ensures optimal energy yield and applicable flexibility in nearly every situation.

* Rated 13A input current per string, ideal for bifacial and large area PV modules.

Easy-to-install

* Equipped with Phoenix Contact DC connectors to ensure fast and easy installation with standard tools.

* Plug and play Wi-Fi and 4G sticks which allows easy monitoring of up to five inverters.

* Quick setup and easy commissioning with Apps, practical to keep tracking your PV plants wherever you are.

Working Princile

Three phase inverters

Our 8-20K LT-G2 series solar inverter 3 phase showcases our continual commitment to bringing solar power for everybody.
Installers will benefit from our easy to install, reliable and user friendly solar inverter on grid when designing and installing residential and commercial solar system.