SMA SC 400HE Installation - Manual (Page 101)

SMA Solar Technology AG Technical Data
Installation Guide SCxxxHE-IEN104432 101
Power consumption
* Internal consumption measured in clock-rate operation with activated AC fans, activated DC fans and power unit cooling unit at
100 % Minimum connected load per phase < 1 500 W
Sunny Central Control interfaces
* Terminal for an analog sensor provided by the customer in two-wire and four-wire version.
Protection rating and environmental conditions
Internal consumption in operation* P
day
< 1 500 W
Internal consumption in night mode P
night
< 100 W
Internal power supply / grid structure 3 x 400 V, 50 / 60 Hz, TN-S grid /
TNC grid / TT grid
External pre-fuse for internal power supply B 20 A, 3 pol.
Communication (NET Piggy-Back, optional) Analog, ISDN, Ethernet
Analog inputs* 1 x PT 100, 5 x A
in
Overvoltage protection for analog inputs Optional
Sunny String-Monitor connection (COM1) RS485
PC connection (COM2) RS232
Potential-free contact (ext. malfunction report) 1
Protection rating as per EN 60529 IP20
Protection rating as per EN 60721-3-3
Environmental conditions:
fixed location, with protection against wind and
weather Classification of
• chemically active substances:
3C1L
• mechanically active
substances: 3S2
Permissible ambient temperatures T ‒20 °C … +50 °C
Relative humidity, not condensing U
air
15 % … 95 %
Max. altitude above sea level Mean sea
level 1 000 m
Fresh air consumption V
air
6 200 m³/h