13 Technical Data
SMA Solar Technology AG
Operating manual STP50-40-BE-en-15 109
Threshold for relative humidity, non-condensing 100%
Extended air pressure range 79.5kPato106kPa
Transport in accordance with IEC 60721-3-4, Class 2K3
Temperature range -40°C to +70°C
Equipment
DC connection SUNCLIX DC connector
AC terminal Screw terminals
Multifunction relay As standard
Surge protection devices TypeII for AC and/or
DC
Optional
Torques
Screws for the DC-Connection Unit and AC-Con-
nection Unit enclosure lids
6Nm
Screws for AC terminals with conductor cross-
section of 35mm² to 95mm²
20Nm
Screws for AC terminals with conductor cross-
section of 120mm²
30Nm
Screws for attaching the feet or profile rails 16Nm
Screws for the cover on the top of the inverter 6Nm
Counter nut of M63 cable gland 14Nm
Swivel nut for M63 cable gland 33Nm
Swivel nut for M32 cable gland 5Nm
SUNCLIX swivel nut 2Nm
Data Storage Capacity
Daily energy yields 63days
Daily yields 30years
Event messages for users 1024 events
Event messages for installers 1024 events