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I have solar panels with 9.7A and 37V. 4 panels in one series will be 150V, but two series in parallel will be 20A. Would either scenario work with the SMA SB3.0-1 SP-US-41 Sunny Boy Solar Inverter?
Posted by Frank Molina, Stellavolta on May 20th 2021
1 string in series at 150V would work, but it may be late in the morning before it starts up since the minimum startup voltages are 100V / 125V on a 208V / 240V system respectively. 2 strings of 2 pan
What is the minimum voltage DC required to operate the SMA Sunny Boy inverter?
The SMA Sunny Boy inverters' minimum DC voltage is 100V , however it requires 125V to start up.
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Are the SMA Sunny Boys UL-1741 certified?
Yes, in addition to compliance with NEC 2017, the new inverters are compliant with California Rule 21 Phase 2 and UL 1741.
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