SMA GRID CONNECT BOX 12 User Manual
Page 34

12 Technical Data
SMA Solar Technology AG
34
GRID-BOX-12-3-20-BE-en-10
Operating Manual
Derating
Rated voltage / rated insulation voltage
EMC environment**
Electromagnetic interference, environment B
(EMC directive, Article 5 – Annex I.1.a)
Immunity to interference, environment A
(EMC Directive Article 5 – Annex I.1.b)
EC Declaration of Conformity
Yes
Operating temperature range*****
− 25°C to +60°C
Humidity
0% to 100%
* in accordance with IEC 60529
** in accordance with IEC 61439-1:2011
*** in accordance with IEC 417
**** in accordance with EN 60664
*****At operating temperatures of over 40°C the Sunny Island inverters reduce their output power (derating).
Output power / rated power at up to 40°C
100%
Output power / rated power at 40°C to 60°C
Derating according to power-temperature curve
(see operating manual of Multicluster Box)
Switch cabinet wiring L to N
250 V AC
Switch cabinet wiring L1 to L2
433 V AC
Auxiliary AC circuits
250 V AC
Auxiliary DC circuits
70 V DC