SMA FLX Series - Manual (Page 44)

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.
NOTICE
Table states only cable lengths less than 100 m.
Specification FLX series
AC cable maximum
length [m]
AC cable size 5 6 7 8 9 10 12.5 15 17
2.5 mm 2 43 m 36 m 31 m 27 m 24 m 21 m 1) 1) 1)
4 mm 2 69 m 57 m 49 m 43 m 38 m 34 m 27 m 2) 2)
6 mm 2 86 m 74 m 64 m 57 m 52 m 41 m 34 m 30 m
10 mm 2 95 m 86 m 69 m 57 m 51 m
16 mm 2 92 m 81 m
AC cable type 5-wire copper cable
AC cable outer diameter 18-25 mm
AC cable insulation strip Strip 16 mm length of insulation from all 5 wires
PE cable diameter Equal to or greater than diameter of AC phase cables
Table 5.9 AC Cable Specifications
1) Using cable with a diameter less than 4 mm 2 is not recommended. 2) Using cable with a diameter less than 6 mm 2 is not recommended.
Specification FLX series
DC cable type Min. 1000 V, 13.5 A
DC cable length DC cable size 4 mm 2
- 4.8
Ω /km
< 200 m*
DC cable size 6 mm 2
- 3.4
Ω /km
200-300 m*
Mating connector Sunclix PV-CM-S 2,5-6(+) / PV-CM-S 2,5-6(-)
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
Technical Data
L00410568-03_2q / Rev. date: 2014-06-20 43
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