Home Products Rapid Shutdown Device SunSpec Module-Level Rapid Shutdown Device NEC2020 BFS-21
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SunSpec Module-Level Rapid Shutdown Device NEC2020 BFS-21

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.

Highlights :

  • Operates SINGLE standard PV module or TWO modules
  • Shutdown panel to 0V at microsecond
  • Plug and Play Easy Installation
  • PLC control signaling
  • PVRSS with multiple inverters
  • Over temperature protection Automatic shutdown
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  • UL-Certifed icon
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Module Level Rapid Shutdown BFS-21

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.

BFS-21 FEATURES

  • Shutdown panel to 0V at microsecond

 

  • Plug and Play Easy Installation

 

  • PLC control signaling

 

  • PVRSS with multiple inverters

 

  • Over-temperature protection Automatic shutdown

 

  • Patents pending

 

  • 25 years warranty

SPECIFICATION

BFS-21 Specifications
Input
Range of Operating Voltage 18V-90V input
Max Operating Current 18A
Max Input Power 1620W total
Communication PLC (DC Power Line)

SunSpec certificate

Microsecond response RSD

Mechanical
UL 50 E Enclosure Type Rating NEMA 4X
Connectors MC4 (standard)

Jinko connectors for option

Input cable length 180mm
Output cable length 1800mm
Weight 600g
Environmental
Operating Temperature -30°C– +80°C
Ambient Operating Temperature -30°C — +55°C
Over Temperature Protection 85°C
Certificate and Standards UL1741 PVRSS and PVRSE listed

NEC 2014/2017/2020 690.12

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