Cable Specifications; Ambient Temperature - SMA FLX Serie Guia De Instalacion

Technical Data

5.5 Cable Specifications

NOTICE
Avoid power loss in cables greater than 1% of the
nominal inverter rating by following the values stated in
the tables and illustrations.
Specification
AC cable maximum AC cable size
length [m]
2.5 mm
4 mm
6 mm
10 mm
16 mm
AC cable type
AC cable outer diameter
AC cable insulation strip
PE cable diameter
Table 5.9 AC Cable Specifications
1)
Using cable with a diameter less than 4 mm
Specification
DC cable type
DC cable length
Mating connector
Table 5.10 DC Cable Specifications
* The distance between inverter and PV array and back, plus the
cumulative length of the cables used for PV array installation.
Consider also the following when choosing cable type and
cross-sectional area:
•

Ambient temperature

•
Layout type (inside wall, under ground, free air
etc.)
•
UV resistance
5 6 7
2
43 m 36 m 31 m
2 69 m 57 m 49 m
2 86 m 74 m
2
2
Strip 16 mm length of insulation from all 5 wires
Equal to or greater than diameter of AC phase cables
2
is not recommended.
2
DC cable size 4 mm
- 4.8 Ω /km
2
DC cable size 6 mm
- 3.4 Ω /km
L00410568-03_2q / Rev. date: 2014-06-20
NOTICE
Table states only cable lengths less than 100 m.
FLX series
8 9 10
27 m 24 m 21 m
43 m 38 m 34 m
64 m 57 m 52 m
95 m 86 m
5-wire copper cable
18-25 mm
2)
Using cable with a diameter less than 6 mm
FLX series
Min. 1000 V, 13.5 A
< 200 m*
200-300 m*
Sunclix PV-CM-S 2,5-6(+) / PV-CM-S 2,5-6(-)
12.5 15 17
1) 1) 1)
27 m 2) 2)
41 m 34 m 30 m
69 m 57 m 51 m
92 m 81 m
2
is not recommended.
43
5 5