SMA SB 700U - Manual (Page 31)

SB700U-11:SE3207 SMA America 4-7
The diagram in Figure 4-3 shows the potential losses in AC wires with respect to the
cross-sectional area of the cable and the length of the cable. Use this table to
determine the best wire size to use for your particular installation. The diagram is an
example for the SB 700U with a maximum input voltage of 250 V DC.
Figure 4-3 Energy Losses in Various Wire Sizes and Wire Lengths
Note: The „Voltage Drop Calculator“ tool for calculating the
potential losses in AC wires is available on www.sma-ameri-
ca.com.
The Sunny Boy 700U is designed to feed 106 V AC to 132 V AC to the utility grid
at frequencies from 59.3 Hz to 60.5 Hz. Table 4-1 lists the voltage and frequency
limits for the AC connection. See our web site for additional information.
Table 4-1 Voltage and Frequency Limits for the
Voltage Range 106 V - 132 V
Frequency Range 59.3 Hz - 60.5 Hz
AC Connection
0,0%
One way distance (feet)
20 40 80 120
0,4%
0,8%
1,2%
1,6%
2,0%
P
ercent of 1
20 V A
C
60 100 0 140
8 AWG
6 AWG
10 AWG
1.5 % = SMA recommended max. voltage drop
12 AWG
14 AWG