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SMA GRID CONNECT BOX 12 User Manual

Page 34

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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