STP 20000TL-30
STP 25000TL-30
Operating range at AC power fre-
quency 50 Hz
44 Hz to 55 Hz
44 Hz to 55 Hz
Operating range at AC power fre-
quency 60 Hz
54 Hz to 65 Hz
54 Hz to 65 Hz
Power factor at rated power
1
1
Displacement power factor, adjustable
0
overexcited
to 0
underexcited
0
overexcited
to 0
underexcited
Feed-in phases
3
3
Connection phases
3
3
Overvoltage category as per IEC
60664-1
III
III
* depending on the configured country data set
Efficiency
STP 20000TL-30
STP 25000TL-30
Maximum efficiency, η
max
98.4%
98.4%
European efficiency, η
EU
98.0%
98.0%
Protective Devices
DC reverse polarity protection
Short-circuit diode
Input-side disconnection point*
DC load-break switch
DC overvoltage protection
Thermally monitored varistors
optional: surge arrester type II
AC short-circuit current capability
Current control
Grid monitoring
SMA Grid Guard 3
Maximum permissible fuse protection
50 A
Ground-fault monitoring
Insulation monitoring: R
iso
> 250 kΩ
All-pole sensitive residual-current monitoring unit
Available
* Optional
General Data
Width x height x depth
665 mm x 690 mm x 265 mm
Weight
61 kg
Length x width x height of the packaging
780 mm x 380 mm x 790 mm
Transport weight
68 kg
10 Technical Data
SMA Solar Technology AG
Operating Manual
37
STP20-25TL-BE-en-10
