Datasheet

www.steca.com
StecaGrid 3203 StecaGrid 4003 StecaGrid 4803 StecaGrid 5503
DC input side (PV-generator)
Maximum input voltage 1,000 V
Minimum input voltage for feeding 250 V
MPP voltage for rated output 300 V ... 800 V 375 V ... 800 V 450 V ... 800 V 510 V ... 800 V
Maximum input current 11 A
Maximum input power at maximum active
output power
3,300 W 4,100 W 4,920 W 5,620 W
Maximum recommended PV power 4,000 Wp 4,900 Wp 5,900 Wp 6,700 Wp
DC side (storage system connection)
1)
Voltage 680 ... 1,000 V (max. grid peak to max. PV voltage)
Max. current 10 A
AC-Ausgangsseite (Netzanschluss)
Grid voltage 320 V ... 480 V
Rated grid voltage 400 V
Maximum output current 7 A 10 A
Maximum active power (cos phi = 1) 3,200 W 4,000 W 4,800 W 5,500 W
Maximum active power (cos phi = 0.95) 3,040 W 3,800 W 4,560 W 5,225 W
Maximum active power (cos phi = 0.9) 2,880 W 3,600 W 4,320 W 4,950 W
Maximum apparent power (cos phi = 0.95) 3,200 VA 4,000 VA 4,800 VA 5,500 VA
Maximum apparent power (cos phi = 0.9) 3,200 VA 4,000 VA 4,800 VA 5,500 VA
Rated power 3,200 W 4,000 W 4,800 W 5,500 W
Rated frequency 50 Hz and 60 Hz
Frequency 45 Hz ... 65 Hz (depending on regional settings)
Night-time power loss < 3 W
Feeding phases three-phase
Distortion factor (cos phi = 1) < 1 %
Power factor cos phi 0,8 capacitive ... 0,8 inductive
Characterisation of the operating performance
Maximum efficiency 98.6 %
European efficiency 97.5 % 97.8 % 98 % 98.1 %
Californian efficiency 98.2 % 98.3 % 98.3 % 98.3 %
MPP efficiency > 99.7 % (static), > 99 % (dynamic)
Own consumption < 8 W
Power derating at full power from 50 °C (T
amb
) from 45 °C (T
amb
)
Safety
Isolation principle no galvanic isolation, transformerless
Grid monitoring yes, integrated
Residual current monitoring yes, integrated
2)
Operating conditions
Area of application indoor rooms with or without air conditioning
Ambient temperature -15 °C ... +60 °C
Storage temperature -30 °C ... +70 °C
Relative humidity 0 % ... 95 %, non-condensating
Noise emission (typical) <29 dBA
Fitting and construction
Degree of protection IP 21 (casing: IP 51; display: IP 21)
Overvoltage category III (AC), II (DC)
DC Input side connection Phoenix Contact SUNCLIX (2 pairs)
AC output side connection Wieland RST25i5 plug, mating connector included
Dimensions (X x Y x Z) 340 x 608 x 222 mm
Weight 10 kg
Communication interface RS485; 2 x RJ45 sockets; connectable to Meteocontrol WEB‘log or Solar-Log
TM
; Ethernet interface
Integrated DC circuit breaker yes, compliant with VDE 0100-712
Cooling principle temperature-controlled fan, variable speed, internal (dustproof)
Test certificate
CE mark, VDE AR N 4105, ÖNORM E80001-4-712, more to come
1)
Only Steca storage-ready devices may be connected to the storage system connection. Batteries cannot be connected directly.
2)
The design of the inverter prevents it from causing DC leakage current.
StecaGrid Portal
Web portal
Solar-Log™ and
Meteocontrol WEB’log
Accessories
StecaGrid SEM
Energy manager
StecaGrid User
Visualisation software
System monitoring and accessories
COOLCEPT / COOLCEPT-120 / COOLCEPT-X / COOLCEPT
3
/ COOLCEPT
3
-X