SPS Series 3–6kW On-Grid PV Inverter

Additional Information

Model	SPS3KTL	SPS3.6KTL	SPS4KTL	SPS4.6KTL	SPS5KTL	SPS6KTL
PV Input (DC)
Max. input power	4500W	5400W	6000W	7500W	7500W	9000W
Max. open-circuit voltage	600V
Start-up voltage	90V
Rated input voltage	360V
Max. input current per MPPT	16A
Max. short-circuit current per MPPT	20A
MPPT voltage range	70-550V
Number of MPPTs	1		2
Number of strings per MPPT	1
AC Output (AC)
Rated output power	3000W	3600W	4000W	4600W	5000W	6000W
Max. output power	3300W	3960W	4400W	5060W	5500W	6000W
Rated output current	13.1A	15.7A	17.4A	20.0A	21.7A	26.1A
Max. output current	14.4A	17.3A	19.1A	22.0A	24.0A	28.6A
Rated voltage	230V
Voltage range	161~276V
Rated grid frequency	50/60Hz
THDi	＜3%
Power factor	≈1 (Adjustable from 0.8 leading to 0.8 lagging)
Efficiency
Max. Efficiency	97.9%
European Efficiency	97.0%		97.1%
Protection
Basic protection	PV reverse polarity AC output overvoltage Anti-islanding PV insulation resistance AC output overcurrent Grid monitoring PV string current monitoring AC output short circuit Residual current (RCD) detection
AFCI	Optional
DC switch	Integrated
SPD	DC Type ll / AC Type ll
Environmental Parameters
Operating temperature	-25℃ to 60℃
Relative humidity	0~100%
Altitude	3,000m (> 2,000m Derating)
Ingress protection	IP65
Mechanical Parameters
Dimensions (L×W×H) (mm)	369×389×140
Weight (kg)	11.5		12
Others
Self-consumption (Night)	＜1W
Topology	Transformer-less
Cooling method	Natural
Display	LED/LCD (Optional)
PV input connector	MC4 (4mm2–6mm2)
AC output connector	Plug-and-play connectors (Up to 6mm²)
Certificate	IEC/EN 62109; IEC/EN 61000; EN 50549; IEC 61727; IEC 62116; EN 62920

Downloads

Manual

SPS3-6KTL-Manual-EN-V1.0

Download File

Datasheet

SPS3-6KTL-DataSheet-EN

Download File

Highlights

Product Highlights

High Efficiency: High yield 110% rating power; 150% PV oversizing; 2 MPPTs; Max. PV input voltage: 600VDC; Input current per string: 16A
Reliable & Safe: Natural cooling; Maintenance-free; Ultra-quiet IP65 protection for outdoor use; Built-in Type II SPD; Optional AFCI function
User-Friendly & Intelligent Monitoring: Optional LCD display; Standard USB communication port, WiFi / GPRS (optional)

Description

EPEVER’s SPS Series 3–6kW single-phase on-grid inverters deliver reliable and high-efficiency power conversion for residential solar systems. With advanced dual MPPT technology, support for 150% PV oversizing, and natural cooling design, the SPS Series ensures optimal energy production under various conditions. The inverters feature a compact structure, quiet operation, and are ideal for rooftop installations.

Engineered with IP65 protection and robust internal safeguards, these single-phase string inverters offer long-lasting outdoor performance. They accommodate a maximum PV input voltage of 600V and operate efficiently across a wide MPPT voltage range of 70V to 550V. Smart monitoring is available via USB, with optional WiFi and GPRS modules for real-time system tracking through the Solar Guardian App.

The SPS Series is designed for seamless integration into different residential grid environments, supporting a rated output voltage of 230V and flexible power outputs from 3kW to 6kW. With a maximum efficiency of 97.9%, strong protection features, and intelligent communication options, it provides a reliable foundation for modern residential solar energy projects.

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Rated AC Output Voltage (On-grid)
Rated AC Output Power (On-grid)
Max PV input power
Max PV Input Voltage
MPPT Voltage Range
Max Input Current

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