SMA Solar Technology America LLC
Position
J
K
6.3
AC Connection
6.3.1
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 the AC 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 material: aluminum or copper
☐ Maximum permissible temperature: +90°C (+194°F)
Installation Manual
Designation
Slots for DC surge protection devices
Communication assembly
6 Electrical Connection
STP50-US-40-IA-en_es-11
25