124 Technical data
Input protection
Inverter type PRO-33.0-TL-OUTD-[-/S/SX]-400
Reverse polarity protection Inverter protection only, from limited current source, via
short-circuit diode and for fused -SX model when more
than 2 strings are connected.
Input overvoltage protection (Std & -S) 3 varistors
Input overvoltage protection (-SX) 3 plug-in modular surge arresters, Type II
Plug-in modular surge arrester type Phoenix Contact VAL-MS-1000DC-PV/2+V-FM
or
ABB OVR PV 40 1000 P TS BW
Replaceable surge arrester modules Phoenix Contact VAL-MS-1000DC-PV-ST 2800624
or
ABB OVR PV 40-1000 C 2CTB803950R0100
Photovoltaic array isolation control According to local standard
Insulation monitoring Impedance measurement between DC terminals and
ground
DC switch rating and type (-S & -SX) 58 A / 1000 V, 50 A / 1200 V, Benedict LS32 V 7774
PV string fault current protection (-SX) Solar string fuse, 10x85 mm, 1,100 V
DC
, all input
terminals monitored
PV string fuse rating (-SX) 15 A / 1,100 V
Tested and approved solar string fuse
types (-SX)
ETI CH10x85 gPV, 12 A / 1,500 VDC, Art.:002625205
ETI CH10x85 gPV, 15 A / 1,500 VDC, Art.:002625240
Mersen DC10-1200VDC, 12.5 A / 1,200 VDC,
DC10HEL12C12.5
Mersen DC10-1200VDC, 16 A / 1,200 VDC,
DC10HEL12C16
Littelfuse SPXV012.T, 12 A / 1,500 VDC
Littelfuse SPXV015.T, 15 A / 1,500 VDC
PV string fuse maximum rating (-SX) 20 A
String current measurements (-SX) Individual string current monitored, configurable alarm
limit
Overvoltage category OVC II
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