SMA STP 50-40 - Page 123

13 Technical Data
SMA Solar Technology AG
Operating manual STP50-4x-BE-en-23 123
Climatic Conditions
Installation in accordance with IEC60721-3-4, Class4K4H
Extended temperature range -25 °C to +60 °C
Extended humidity range 0%to100%
Threshold for relative humidity, non-condensing 100%
Extended air pressure range 79.5kPato106kPa
Transport in accordance with IEC 60721-3-4, Class 2K3
Temperature range -40°C to +70°C
Equipment
DC terminal SUNCLIX DC connector
AC connection Screw terminals
Multifunction relay As standard
Surge protection devices TypeII for AC and/or
DC
Optional
Torques
Screws for the DC-Connection Unit and AC-Con-
nection Unit enclosure lids
6Nm
Screws for AC terminals with conductor cross-
section of 35mm² to 95mm²
20 Nm
Screws for AC terminals with conductor cross-
section of 120mm²
30 Nm
Screws for attaching the feet or profile rails 16Nm
Screws for the cover on the top of the inverter 6Nm
Counter nut of M63 cable gland 14 Nm
Swivel nut for M63 cable gland 33 Nm
Swivel nut for M32 cable gland 5Nm
SUNCLIX swivel nut 2Nm
Data Storage Capacity
Daily energy yields 63days
Daily yields 30 years
Event messages for users 1024 events
Event messages for installers 1024 events