The BFS-21 is designed and developed as the most reliable module level rapid shutdown device for solar building fire safety and meeting the NEC requirements.
Operates SINGLE standard PV module (>=40V) or TWO modules (<40V).
The BFS-21 complies with NEC 2017&2020 690.12 rapid shutdown requirements when work with the SunSpec signal transmitter BFT-01 or an inverter with built-in transmitter, in non-interference with the inverter AFCI.
Shutdown panel to 0V at microsecond
Plug and Play Easy Installation
PLC control signaling
PVRSS with multiple inverters
Over temperature protection Automatic shutdown
25 years warranty
|Range of Operating Voltage||18V-90V input|
|Max Operating Current||18A|
|Max Input Power||1500W total|
|Communication||PLC (DC Power Line)SunSpec certificateMicrosecond response RSD|
|UL 50 E Enclosure Type Rating||NEMA 4X|
|Connectors||MC4 (standard)Jinko connectors for option|
|Input cable length||180mm|
|Output cable length||1800mm|
|Operating Temperature Range||-30 -- +55|
|Over Temperature Protection||85|
|Certificate and Standards||UL1741 PVRSS and PVRSE listedNEC 2014/2017/2020 690.12|