Compare reviews and prices of SMA America, LLC STP-33-US-40 inverter

Updated: August 20, 2020

SMA America, LLC review score

4.33 112 Reviews

Industry average score: 4.46

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Table 1: STP-33-US-40 electrical specifications
Detail Value
Maximum AC output 33.3kW
Maximum MPP input current 20A
Maximum array short circuit current 30A
Minimum start up voltage 150V
Minimum MPP string voltage 150V
Maximum MPP string voltage 1000V
Maximum PV generator output 75kW
MPP Trackers Count 50
Height 28.8in
Width 24.4in
Depth 22.4in
Weight 185lbs
Degree of Protection TYPE 4X
Overvoltage Category 4
Night Time Consumption 5W
Inverter Design Transformerless
Cooling OptiCool (forced convection, variable speed fans)
Installation Outdoors
Ambient Temperature Rating -13 °F … +140 °F
Maximum Efficiency 97.5%
DC Disconnector Yes
Reverse Polarity Protection Yes
WLAN/Ethernet Support Yes
Web Based Monitoring Yes

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