SMA SUNNY TRIPOWER X 20-US - DC Input; AC Output

14 Technical Data
SMA Solar Technology AG
Operating manual STPxx-US-50-BE-en-11 95
Grid configurations 480/277 V wye connection
National standards and approvals,
as per 04/2023
UL62109-1, UL 1699B Ed. 1,
IEEE1547-2018, UL1741 SB, UL3741,
Canadian Electrical Code
®
CSA 22.2 No.
62109-1:16 / 62109-2:16, FCC Part 15
(Class A), PV Rapid Shutdown System
Equipment in accordance with UL1741:2021,
CA Rule 21, HECO Rule 14H, ISO-NE
14.2 DC Input
STP 20-US-50 STP 25-US-50 STP 30-US-50
Maximum power of PV
array
30000 Wp STC 37500 Wp STC 45000 Wp STC
Maximum input voltage 1000V 1000V 1000V
MPP voltage range 350Vto800V 430Vto800V 515Vto800V
Rated input voltage 685V 710V 710V
Minimum input voltage 150V 150V 150V
Initial input voltage 188V 188V 188V
Maximum usable input
current per input
24A 24A 24A
Maximum short-circuit
current per input
1)
37.5A 37.5A 37.5A
Maximum reverse cur-
rent into the PV mod-
ules
0A 0A 0A
Number of indepen-
dent MPP inputs
3 3 3
Strings per MPP input 2 2 2
Overvoltage category
in accordance with
UL62109-1
II II II
14.3 AC Output
STP 20-US-50 STP 25-US-50 STP 30-US-50
Rated power at 277V,
60Hz
20000W 25000W 30000W
1)
In accordance with UL62109-1: I
SCPV