Sungrow Solar String Inverter

Photon test results “very good”, with a maximum efficiency of 98.3%
Integrated combiner box: 8 x MC4 connector pairs with DC string fuses, Type II overvoltage.
protection and DC switch, more safety and lower the system cost.
Compact design
Sound control
Easy installation

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Description

Sungrow Solar String Inverter.This Sungrow Solar Inverter is 98% efficient and very good inverter . Brand=”Sungrow” Manufacturer=”Sungrow”

Techninal Data

Input Data

SG 33KTL-M

SG 40KTL-M

Max. PV input voltage	1000V
Startup voltage	250V
Nominal input voltage	585V	700V
MPP voltage range	200~950V
MPP voltage range for nominal power	500~850V
No. of MPPTs	3
Max. number of PV strings per MPPT	2 / 3 / 3	3 / 3 / 3
Max. PV input current	82 (22A/30A/30A)	90A (30A/30A/30A)
Max. current for input connector	12A

Output Data

Nominal AC output power	33000W	40000W
Max AC output power (PF=1)	36000W	44000W
Max. AC output apparent power	36000VA	44000VA
Max. AC output current	52A	53A
Nominal AC voltage	3/N/PE, 400Vac	3/PE, 480Vac
AC voltage range	352~440Vac	422~528Vac
Nominal grid frequency	50Hz/60Hz
Grid frequency range	45~55Hz/55~ 65Hz
THD	< 3% (Nominal power)
DC current injection	<0.5%In
Power factor	>0.99@default value at nominal power, (adj. 0.8overexcited ~0.8underexited)

Protection

Anti-islanding protection	YES
LVRT	YES
DC reverse connection protection	YES
AC short circuit protection	YES
Leakage current protection	YES
DC switch	YES
DC fuse	YES
Overvoltage protection	DC Type II DIN rail surge arrester (40KA)/AC Type II

System Data

Max. efficiency	98.80%	99.00%
Max. European efficiency	98.50%	98.60%
Isolation method	Transformerless
Ingress protection rating	IP65
ight power consumption	<1W
Operating ambient temperature range	-25~60℃ (>50℃ derating)
Allowable relative humidity range	0~100%
Cooling method	Smart forced air cooling
Max. operating altitude	5000m (>3000m derating)
Display	Graphic LCD
Communication	RS485 (RJ45 connector)/Ethernet (optional)
DC connection type	MC4
AC connection type	Screw Clamp terminal