Steca coolcept - Page 78

9.1.3 StecaGrid 3600/3600x/4200/4200x
StecaGrid 3600/x StecaGrid 4200/x
DC input side (PV generator connection)
Number of DC inputs 1
Maximum start voltage 845 V
Maximum input voltage 845 V
Minimum input voltage for
grid-feeding
350 V
Startup input voltage 350 V
Rated input voltage 455 V 540 V
Minimum input voltage for
rated output
350 V
Number of MPP trackers 1
Operating input voltage range 350 V … 700 V
Maximum input current 12 A
Rated input current 8 A
Maximum backfeed current
into the PV generator
0 A
Maximum input power at
maximum active output power
3770 W 4310 W
Rated input power (cos φ = 1) 3770 W 4310 W
Recommended maximum PV
power
4500 Wp 5200 Wp
Derating / power limiting occurs automatically when:
n input power > max. recommended PV power
n cooling is inadequate
n Input current too high
n Grid current too high
n Internal or external power reduction
n Grid frequency too high (in accordance with country
setting)
n Limiting signal on external interface
n Output power limited (set on the inverter)
AC output side (grid connection)
Output voltage 185 V ... 276 V (depending on the country settings)
Rated output voltage 230 V
Maximum output current 16 A 18.5 A
EN
747,431 | Z09 | 2015-09-30 78