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General Details
Smart String Box – Passive
This high-quality ELECTROINVENT photovoltaic string box is intended to connect up to 30 PV module strings (depending on the type). The box is also used to disconnect the DC from the inverter. The Smart String Box (SSB) measures the current of each string and sends data to the inverter. This feature is essential for diagnostics and maintenance of PV-panels and cabling.
The SSB-P is powered directly by the PV strings.
Techical Info
SSB-P Type | 10-100 | 15-150 | 20-200 | 25-250 | 30-300 | |
---|---|---|---|---|---|---|
Maximum operating voltage | U DC | |||||
Fuses | ||||||
Maximum output DC current | I DCmax | 100 A 150 A 200 A 250 A 300 A | ||||
Maximum number PV inputs (strings) | 10 15 20 25 30 | |||||
Maximum input DC current per string | I STRmax | |||||
String current measurement range | I STR | |||||
Reverse string current measuring | I STR rev | |||||
Surge arrester | ||||||
Test voltage | ||||||
Power supply | ||||||
Maximum power consumption | ||||||
Dimensions | See on next page???? | |||||
Weight with fuses PV+ only | 28kg 29kg 30kg 47 kg 49 kg | |||||
with fuses PV+ and PV- | 30kg 35kg 36kg 49 kg 51 kg | |||||
Colour | ||||||
Enclosure material | ||||||
Protection class according to EN 60529 | ||||||
Impact strength according to EN 62262 | ||||||
Maximum air humidity | ||||||
Ambient temperature range | T amb | |||||
UV proof | ||||||
Type | ||||||
Status feedback (reverse current, manual switch on/off, surge arrester fault indication) | ||||||
String current monitoring | ||||||
String voltage monitoring | ||||||
Box temperature monitoring | ||||||
Fiber optical interface (default) | ||||||
RS 485 serial interface (optional) | ||||||
CE conformity / EMC |
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