3-6kW ON-GRID SOLAR INVERTER

A single-phase on-grid solar inverter is a part of photovoltaic (PV) power system that is connected to the electrical grid and supplies power to a single-phase electrical system. These systems are commonly used in residential and small commercial applications.

A single-phase on-grid solar inverter is a part of photovoltaic (PV) power system that is connected to the electrical grid and supplies power to a single-phase electrical system. These systems are commonly used in residential and small commercial applications.

GENERAL FEATURES 

  • High Frequency On Grid Solar Inverter
  • MPPT efficiency up to 99.50%
  • Fanless low-noise design
  • IP66 water-proof and dust-proof
  • DSP digital control
  • Wide grid voltage range
  • Multiple communications 

SPECIFICATION

ModelNPS-031PGT
NPS-041PGT
NPS-051PGT
NPS-061PGT

PV Input (DC)

Rated power (kW)3kW
4.2kW5kW6kW
Maximum recommended DC power
3900W
5460W
6500W
7800W
Nominal DC operating voltage
360V
      

Maximum DC voltage
550V



Start voltage
50V



MPPT voltage range
40~550V



Maximum input current

16A/16A




No. of MPP Tracker/string per MPP Tracker
2/1



Grid Output (AC)

Nominal AC output power3000W4200W5000W6000W
Max. Ac output power
3000VA
4200VA 
5000VA 
6000VA
AC grid frequency50/60Hz ±5Hz
Maximum output current
13.6A
13.6A 22.7A27.2A
AC nominal voltage
220V/230V/240V
AC voltage range
180~280V



Total harmonic distortion (THDi)
<3%



Rate power factor




Power factor adjustable range 
0.8leading~0.8lagging 



AC grid connection type
L+N+PE



EfficiencyMaximum efficiency98%98.10%98.20%98.20%
Euro-efficiency
96.80%
97%97.20%
97.20%
MPPT efficiency
99.50%

Self-consumption night 
<1W



Protection            devicesOutput over current protectionYes
Output AC overvoltage protection
Yes



DC reverse polarity protection
Yes



DC switch
Yes



Ground fault monitoring
Yes



Integrated all pole-sensitive leakage current monitoring unit
Yes



PhysicalMachine dimension (W*H*D)402*378*195

G.W11kg
InterfaceDC connectionH4/MC4

Ac connection Connector
Display 
LED 



Communication interface
Wifi/RS485/GPRS(opt)



EnvironmentIngress protection ratingIP66

Humidity0-100%
Operating temperature range
-25℃ ~+60℃ With derating above 45



Cooling concept
Natural 



Noise emission (dB) 
<35dB



Topology
Transformerless



Altitude 
4000M




*Product specifications are subject to change without further notice. 



Part NumberDescription
NPS-031PGT3kW On-Grid Solar inverter
NPS-041PGT4.2kW On-Grid Solar inverter
NPS-051PGT5kW On-Grid Solar inverter
NPS-061PGT6kW On-Grid Solar inverter