Install Manual

Table Of Contents
6 Electrical Connection
SMA Solar Technology AG
Installation ManualSTP33-62-US-41-IA-en_es-1126
6.2 AC Connection
6.2.1 Requirements for the AC Connection
Additionally required material (not included in the scope of delivery):
Conduit (trade size: 50.8mm (2in) or smaller with suitable reducer bush)
Raintight or liquidtight conduit fitting (trade size: 50.8mm (2in) or smaller with suitable
reducer bush)
Requirements on・theAC conductors:
The maximum permitted temperature for the terminal block of the AC connection of +90°C
(+194°F) must be observed.
The conductors with regards to their ampacity, rated temperatures, operating conditions and
power loss must be made in accordance with the local standards and the National Electrical
Code
®
ANSI/NFPA 70.
The conductors must be made of solid wire, stranded wire or fine stranded wire. When using
fine stranded wire, bootlace ferrules must be used.
Conductor cross-section: 25mm²to95mm² (4AWGto4/0AWG)
Conductor type: aluminum and copper wire
Maximum permissible temperature: +90°C (+194°F)
Overview of the required length of the conductor inside the AC connection unit
199
(7.8)
199
(7.8)
193
(7.6)
193
(7.6)
181
(7.1)
181
(7.1)
Figure 8: Interior view of the AC connection unit with dimensions for the conductors (dimensions in mm (in))
ENGLISH