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APsystems Microinverters YC600 vs YC500i Comparison

Here is a comparison between the two APsystems micro inverters, YC600 vs YC500i, with the differences between the micro inverters highlighted. Note that both of these products are dual micro inverters, with two PV modules serviced by each micro inverter: 



YC600

YC500i

System Compatibility

Rule 21 and Rapid Shutdown Systems

System Compatibility

Original Systems

Primary Use

Residential

Primary Use

Residential

Project Voltage

120/240V or 120/208V (1φ)

Project Voltage

120/240V or 120/208V (1φ)

Commonly Used Module Pairing - Input Power

200 - 365+W

Commonly Used Module Pairing - Input Power

180 – 310+W

MPPT Range

22 - 45 V

MPPT Range

22 - 45 V

Maximum input DC voltage

55 V

Maximum input DC voltage

55 V

Operating range

16 V - 55 V

Operating range

16 V - 52 V

Startup voltage

20 V

Startup voltage

22 V

Max DC short circuit current

12 A x 2

Max DC short circuit current

12 A x 2

Peak Output Power

600 VA

Peak Output Power

548 VA

Peak Efficiency

96.7%

Peak Efficiency

95.5%

CEC weighted efficiency

96.5%

CEC weighted efficiency

95%

Module Compatibility

60-cell and 72-cell modules

Module Compatibility

60-cell and 72-cell modules

Smart Grid Ready

Yes

Smart Grid Ready

No

Dimensions (WxHxD)

260mm x 188mm x 31.5mm

Dimensions (WxHxD)

221mm x 167mm x 29mm (without bracket)

Weight

3.22 kg (7.1 lbs)

Weight

2.5 kg (5.5 lbs)

 

Conclusion of YC600 vs. YC500i:
The 
YC600 and YC500i have similar output, but if you are looking at panels with a wattage of over 330W, the YC600 is recommended for your project with its higher peak output power and efficiency. Furthermore, the YC600 is recommended for installations requiring module-level rapid shutdown or compliance with California’s Rule 21. 

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


(note: APSystems also has some great info on their page)

YC600 KEY FEATURES:
• Dual-module microinverter with independent MPPT per panel
• Utility interactive with Reactive Power Control (RPC)
• Highest peak output power of 300VA per channel
• CA Rule 21 (UL 1741 SA) compliant
• More PV modules per string than comparable microinverters
• 2.4GHz wireless Zigbee mesh network up to 3X faster than PLC
• Meets NEC 2014/2017 690.12 Rapid Shutdown requirements
• Accommodates 60 and 72-cell PV modules from 200W-365W+
• Durable, NEMA 6/IP67, powder-coated aluminum enclosure, no plastic casings
• 2-n-1 design simplifies installation and reduces logistics costs