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6 Elektrischer Anschluss
SMA Solar Technology AG
BetriebsanleitungSBxx-1AV-41-BE-de-1024
6 Elektrischer Anschluss
6.1 Übersicht des Anschlussbereichs
RS485
+ A − + B −
AC
F
A
C
B ED
G
Abbildung 6: Anschlussbereiche an der Unterseite des Wechselrichters
Position Bezeichnung
A 2 positive und 2 negative DC-Steckverbinder, Eingang A
B 2 positive und 2 negative DC-Steckverbinder, Eingang B
C Buchse mit Schutzkappe für RS485-Kommunikationsanschluss
D Netzwerkbuchse mit Schutzkappe
E Buchse mit Schutzkappe für die WLAN-Antenne
F Buchse für den AC-Anschluss
G Anschlusspunkt für eine zusätzlichen Erdung
6.2 AC-Anschluss
6.2.1 Voraussetzungen für den AC-Anschluss
Kabelanforderungen:
Außendurchmesser: 10 mm bis 14 mm
Leiterquerschnitt: 2,5 mm² bis 6 mm²
Abisolierlänge: 12 mm
Abmantellänge: 50mm
Das Kabel muss nach den lokalen und nationalen Richtlinien zur Dimensionierung von
Leitungen ausgelegt werden, aus denen sich Anforderungen an den minimalen
Leiterquerschnitt ergeben können. Einflussgrößen zur Kabeldimensionierung sind z.B. der AC-
Nennstrom, die Art des Kabels, die Verlegeart, die Häufung, die Umgebungstemperatur und
die maximal gewünschten Leitungsverluste (Berechnung der Leitungsverluste siehe
Auslegungssoftware "Sunny Design" ab Software-Version 2.0 unter www.SMA-Solar.com).
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