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
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