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KY-ESS3K0H
3KW Single-phase Energy Storage Inverter


product features

Compatibility

Integrate PV and energy storage, supporting a variety of batteries
 


 

Intelligent Switching

Support emergency power supply,,single machine and off-grid seamless switching

 

Fault recording, remote recovery

Real-time fault recording,remote analysis and recovery
 


 

Wide voltage range

Ultra-wide PV voltage range from 80V-500V,Ultra-wide battery voltage range from 85V-450V
Technical parameter
Parameter KY-ESS3K0H
 

Efficiency

Max. Efficiency[%] 98.2
European Efficiency[%] 97.1
   

PV Input Data

Max. Input Power(W) 5100
Max. Input Voltage(V) 590
Operating Voltage Range(V) 80~500
Max. Input Current(A) 16/16
Max. Short Circuit Current(A) 20/20
Number of MPPT Trackers 2
Number of Strings per MPPT 1/1
MPPT Tracking Efficiency [%] 99.99
   

Battery Data

Battery Voltage Range[V] 85~450
Input Number 1
Max.Charge/Discharge Current[A] 25/30
Max.Charge/Discharge Power[W]3000
Battery Type Li-ion/Lead-acid
   

AC Output Data(On-grid Interface)

Nominal Output Power[W] 3000
Max. Apparent Power [VA] 3300
Max Input Power[W] 3300
Nominal Output Voltage[Vac] 230,L/N/PE
Nominal Output Frequency[Hz] 50/60
Max. Output Current[A] 13
Grid Bypass Current[A] 13
Power Factor ~1(0.8 lead to 0.8 lag can be set)
Total Harmonic Distortion(%) <3
   

AC Data(Off-grid Interface)

Nominal Output Power[W] 3000
Max. Apparent Output Power [VA] 3300
Nominal Output Voltage[Vac] 230,L/N/PE
Nominal Output Frequency[Hz] 50/60
Max. Output Single-phase Apparent Power[VA] 14.3
Peak Output Apparent Power[VA](60s) 3600
Peak Output Apparent Power[VA](10s) 5500
On/Off grid switching time[ms] <10
   

Protection Devices

DC Reverse Polarity Protection integrated
Over Current Protection integrated
Anti islanding protection integrated
AC short circuit protection integrated
Leakage current protection integrated
Insulation resistance testing integrated
Surge protection DC Type II / AC Type III
   

General Data

Operating Temperature Range[℃] -25~60（>45 derating）
Operating Altitude[m] <4000
Maximum noise index [dB] <40
Topology Transtormerless isolation
Cooling Method Natural convection
Degree of Protection IP65
Relative Humidity[%] 0~95, No condensation
DC Connection Type Amphenol/Phoenix
AC Connection Type Plug in connector
Interaction LCD,RS485
Cloud Communication RS485 ( WIFI/4G optional )
BMS Communication CAN
Meter Communication RS485
Installation Method Wall-mounted
Dimension(W*D*H)[mm] 390*407*192
Weight[kg] 17
   

Certification

Safety StandardsIEC/EN 62109-1/2
EMC Standards IEC/EN61000-6-1/-3
On-grid Standard CEI 0-21,G98,G99,NRS097-2-1:2017,UNE 217001/UNE 217002/NTS631
   
Download
Specifications Size Type Down
3-8kW Hybrid Inverter _ Single-phase - datasheet 3.71MB PDF
3-8kW Hybrid Inverter _ Single-phase - Quick Installation Guide 25.4MB PDF
3-8kW Hybrid Inverter _ Single-phase - User manual 4.94MB PDF
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