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Enphase S280 vs IQ6+ Comparison

The Enphase IQ 6+ Microinverter has just come out, built on the sixth-generation platform. We compare the IQ6+ with the Enphase S280 Microinverter, built on the fifth-generation platform. 

Here is a comparison between the two Enphase systems, IQ6+ vs S280, with the differences between the microinverters highlighted:




IQ6+


S280

System Compatibility

IQ System


System Compatibility

Original Systems

Primary Use

Residential


Primary Use

Residential / Commercial

Project Voltage

120/240V or 120/208V (1φ)


Project Voltage

120/240V or 120/208V

Commonly Used Module Pairing - Input Power

235 - 400+W


Commonly Used Module Pairing - Input Power

235 - 365W

MPPT Range

27 - 37 V


MPPT Range

27 - 37 V

Maximum input DC voltage

62 V


Maximum input DC voltage

48 V

Operating range

16 V - 62 V


Operating range

16 V - 48 V

Min/Max start voltage

22 V / 62 V


Min/Max start voltage

22 V / 48 V

Max DC short circuit current

15 A


Max DC short circuit current

15 A

Peak Output Power

290 VA


Peak Output Power

280 VA

CEC Efficiency

97.0%


CEC Efficiency

97.0%

CEC weighted efficiency

96.5% at 208VAC / 97.0% at 240VAC


CEC weighted efficiency

96.5% at 208VAC / 97.0% at 240VAC

Module Compatibility

60-cell and 72-cell modules


Module Compatibility

60-cell modules

Smart Grid Ready

Yes


Smart Grid Ready

Yes

Dimensions (WxHxD)

219mm x 191mm x 37.9mm (without bracket)


Dimensions (WxHxD)

172mm x 175mm x 35mm (without bracket)

Weight

1.5 kg (3.3 lbs)


Weight

1.8 kg (4 lbs)



Conclusion of IQ6+ vs S280:
The IQ6+ and Enphase S280 have similar output, but if you are looking at 72-cell modules and/or panels with a wattage of over 365W, the IQ6+ will be needed for your project.

NOTE: Wondering what are the differences between the Enphase IQ6 and the IQ6+ ? See the Enphase IQ6 vs IQ6+ Comparison


Wondering what are solar micro inverters, how microinverters work and if they are right for your solar system? Read our article to find out: How Do Micro Inverters Work