SMA Solar Technology AG
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 its ampacity, rated temperatures, operating conditions and its
power loss must be made in accordance with the local standards and the National Electrical
®
Code
ANSI/NFPA 70 or the Canadian Electrical Code
☐ 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
Figure 8 : Interior view of the AC connection unit with dimensions for the conductors (dimensions in mm (in))
Installation Manual
6 Electrical Connection
®
CSA C22.1.
181
181
(7.1)
(7.1)
199
199
(7.8)
(7.8)
STP33-62-US-41-IA-xx-12
27