Steca coolcept3 - Page 59

StecaGrid 3203/x StecaGrid 4003/x
Efficiency values (at 5 %, 10 %,
20 %, 25 %, 30 %, 50 %, 75 %,
100 % of the rated power) at
rated voltage
82 %, 91.7 %, 95.6 %, 96.2 %,
96.8 %, 97.5 %, 97.7 %,
97.1 %
87.3 %, 93.7 %, 96.5 %,
97.1 %, 97.4 %, 97.9 %,
98 %, 97.7 %
Efficiency values (at 5 %, 10 %,
20 %, 25 %, 30 %, 50 %, 75 %,
100 % of the rated power) at
minimum MPP voltage
81.6 %, 91.2 %, 95.1 %,
95.9 %, 96.3 %, 97 %, 97.1 %,
96.7 %
85.4 %, 92.8 %, 96.1 %,
96.7 %, 97 %, 97.5 %,
97.4 %, 97.1 %
Efficiency values (at 5 %, 10 %,
20 %, 25 %, 30 %, 50 %, 75 %,
100 % of the rated power) at
maximum MPP voltage
86.4 %, 93.2 %, 96.2 %,
96.8 %, 97.3 %, 98 %, 98.2 %,
98.3 %
89.1 %, 94.5 %, 96.8 %,
97.3 %, 97.7 %, 98.2 %,
98.2 %, 98.1 %
Efficiency reduction in the case
of a rise in ambient temperature
(at temperatures > 40 °C)
0.005 %/°C
Efficiency change in the case of
deviation from the DC rated
voltage
0.002 %/V
Own consumption < 8 W
Power reduction at full power from 50 °C (T
amb
)
Switch-on power 10 W
Switch-off power 8 W
Safety
Protection class II
Separation principle No electrical isolation, transformer-less
Grid monitoring yes, integrated
Insulation monitoring yes, integrated
Fault current monitoring
yes, integrated
2)
Version overvoltage protection Varistors
Reverse polarity protection yes
Implementation conditions
Implementation area
coolcept
3
: indoor rooms, with or without air conditioning
coolcept
3
-x: indoor rooms, with or without air conditioning,
out of doors with or without protection
Climate classification pursuant
to IEC 60721-3-3
coolcept
3
: 3K3
coolcept
3
-x: 4K4H
Ambient temperature –15 °C ... +60 °C
EN
750.661 | Z03 | 2016-09-12 59