SPT Series 50–70kW On-Grid PV Inverter

Additional Information

Model	SPT50KTL	SPT60KTL	SPT70KTL	SPT50KTL-H	SPT60KTL-H	SPT70KTL-H
PV Input (DC)
Max. input power	60,000W	75,000W	90,000W	60,000W	75,000W	90,000W
Max. input voltage	1,100V
Start-up voltage	250V
Rated input voltage	620V		720VDC
Max. input current per MPPT	30A
Max. short-circuit current per MPPT	36A
MPPT voltage range	180~1000V
Number of MPPTs	4	5	6	4	5	6
Number of strings per MPPT	2
AC Output
Rated output power	50,000W	60,000W	70,000W	50,000W	60,000W	70,000W
Max.output apparent power	55,000VA	66,000VA	77,000VA	55,000VA	66,000VA	77,000VA
Rated output current	72.2A	86.6A	101A	60.2A	72.2A	84.2A
Max. output current	83.6A	100.3A	117A	67A	80A	92.6A
Rated grid voltage	380VAC/400VAC			480VAC/500VAC
Rated grid frequency	50Hz/60Hz
THDi	< 3%
Power factor	≈1 (Adjustable from 0.8 leading to 0.8 lagging)
Efficiency
Max. efficiency	98.5%		98.6%	98.5%	98.6%
European efficiency	98.3%	98.4%
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	-30℃ to 60℃
Relative humidity	0 - 100%
Altitude	4,000m(> 2,000m Derating)
Ingress protection	IP65
Mechanical Parameters
Dimensions (L×W×H) (mm)	700×610×298
Weight (kg)	52	55	57	52	55	57
Others
Self-consumption (Night）	< 3W
Topology	Transformer-less
Cooling method	Intelligent fan
Display	LED/LCD (Optional)
PV input connector	H4/MC4（Optional）
AC output connector	OT connector
Certifications	IEC/EN 62109; IEC/EN 61000 EN 50549; NB/T32004-2018（CQC）

Downloads

Manual

SPT50-70KTL-Manual-EN-V1.0

Download File

Datasheet

SPT50-70KTL-DataSheet-EN

Download File

Highlights

Product Highlights

High yield 110% rating power
Maximum conversion efficiency: 98.6%
Multiple MPPTs, Max.PV input voltage:1100VDC, Input current per MPPT: 30A
lP65 protection for outdoor use
Built-in Type ll SPD
Optional AFCl function
Optional zero export function
Optional LCD display
Standard USB communication port, WiFi/ GPRS (optional)

Description

The SPT Series 50–70kW On-Grid High Power PV Inverter is a high-performance three-phase solar inverter designed for large-scale commercial and industrial PV systems. This on-grid inverter offers maximum energy efficiency, intelligent MPPT control, and durability, making it ideal for large commercial rooftops and industrial solar plants.

Equipped with multiple MPPT trackers, the SPT Series ensures optimal energy harvest from your solar array, even in partial shading conditions. Its wide MPPT voltage range (480–1,000V) and high input voltage (1,100VDC) allow for flexible system design and oversizing up to 150%. The inverter delivers peak efficiency up to 98.6%, reducing energy loss and maximizing ROI.

Housed in an IP65-rated enclosure, the SPT inverter is weatherproof and can operate in temperatures from -30°C to +60°C, ensuring reliable performance in harsh environments. With integrated USB/RS485 communication and optional WiFi/GPRS modules, it offers seamless remote monitoring via mobile app or PC.

Whether you’re powering a large commercial rooftop, industrial facility, or solar plant, the SPT Series combines smart technology with robust design to deliver long-term performance, reliability, and significant energy savings.

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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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