EN
58
763.134 Z02 1913 coolcept_fleX
StecaGrid
1511
StecaGrid
2011
StecaGrid
2511
StecaGrid
3011
StecaGrid
3611
Grid frequency
45 Hz to 65 Hz
Power loss during
nighttime operation
< 3 W
Feed-in phases
One-phase
Distortion factor
(cosPhi = 1)
< 3 %
Power factor cosPhi
0.8 capacitive to 0.8 inductive
Highest output fault
current
0.0 A
Highest overcurrent
protection
28 A
40 A
Characterisation of the operating behaviour
Max. efficiency
97.40 %
97.40 %
97.40 %
97.00 %
97.00 %
European efficiency
96.10 %
96.50 %
96.60 %
96.30 %
96.30 %
MPP efficiency
> 99.7 % (static), > 99 % (dynamic)
Internal consumption
< 20 W
Power derating (power
reduction) at full power
from
50 °C (T
amb
)
45 °C
(T
amb
)
Safety
Isolation principle
No galvanic isolation, without transformer
Grid monitoring
Yes, integrated
Residual current
monitoring
Yes, integrated (the inverter cannot cause a DC residual
current due to the design)
Protection class
Protection class 2 (RCD type A sufficient)
Operating conditions
Area of application
Indoors, outdoors (degree of soiling 3)
Climate category i.a.w.
IEC 60721-3-4
4K4H
Ambient temperature
-25 °C to +60 °C