12 Technical Data SMA America, LLC
92 SB30-40-US-IA-en-33 Installation Manual
12.1.2 Sunny Boy 3800-US
DC input
AC output
Efficiency
Maximum MPP voltage at 240 V nominal value 250 V to 480 V
Input operating voltage range 250 V to 600 V
Maximum PV array input power 5,000 W
Maximum DC power 4,250 W
DC starting voltage 285 V
Maximum DC input current 18 A
Maximum short-circuit current 25 A
DC voltage ripple ˂ 10%
AC operating voltage range at 240 V nominal value 211 V to 264 V
AC operating frequency range 59.3 Hz to 60.5 Hz
AC frequency, nominal value 60 Hz
Maximum continuous AC output power 3,800 W
Total harmonic factor of the output current with total
harmonic factor of the AC voltage ˂ 2%
and AC power ˃ 50% rated power
˂4%
Maximum continuous AC output current at 240 V 16 A
Maximum residual output current 30 A
Maximum output overcurrent protection 30 A
Maximum backfeed current from the power distribution
grid to the PV array
30 A AC
Synchronization of inrush current 8 A
Tripping limit accuracy − 2% to +2%
Tripping time accuracy − 0.1% to +0.1%
Power factor at nominal power 1
Inverter peak efficiency 96.8%
CEC efficiency at 240 V nominal value 96.0%
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