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NOTICE: Pylontech New Stock with Lower Price Expected End of May 2023
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  • Solar Experts Since 2002
  • 5 Year Extended Warranty

FIREFIGHTER SAFETY SWITCH STRING LEVEL RAPID SHUTDOWN DEVICE BFS-S1

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The BFS-S1 fire safety switch is a string level load break disconnect solution for solar rooftop fire protection.

Highlights :

  • Up to 1500V DC
  • Up to 50 Amp
  • 1 String
  • IP66 aluminum enclosure with breathing valve
  • UL508i listed and IEC PV2 DC switch
  • Developed for 25 years’ warranty
  • Original MC4 connectors Plug and Play
  • Protection cover for rooftop installation is available
£155.00 Incl VAT.
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Protection & Monitoring

FIRE FIGHTER SAFETY SWITCH FOR SOLAR BUILDING

The BFS-S Series FireFighter Safety Switch is a DC disconnect solution for solar rooftop fire protection.
Provide DC power mechanical and complete isolation in the event of a fault.
Make a safe area and operating space to protect the firefighter from DC electric shock.

 

BFS-S FEATURES

IP66 aluminum enclosure with breathing valve
Genuine MC4 Plug and Play
Protection cover for rooftop installation is available
Ul508i listed and IEC PV2 DC switch

 

BFS-S WIRING DIAGRAM

 

HOW THE SOLUTION WORKS?

BFS-S offers a variety of disconnect methods. Remove the high DC voltage in PV strings and avoid the risk of electrocution.
  • Over Temperature Protection Automatic Shutdown
  • Main AC Power Shutdown by Manual
  • AC Power Loss Triggers DC Power OFF Automatic
  •  Keep DC Power Isolation and Disconnect Even the AC Power is Back
MODEL BFS-S1
Max DC voltage IEC/EN 60947-3 1500V
Max DC current IEC/EN 60947-3 50A
Number of Strings 1 string
   
Operating Voltage 90Vac-260Vac
Nominal Voltage 230Vac
Nominal Current 30mA
Start up Current Average 100mA
Switch on Action Current Max 300mA
   
Protection Degree IP66
Storage temperature allowed between -40ºC-85ºC
Maximum operating temperature before automatic switch OFF +85ºC
Protection Level Class II
Number of operations without current 9700
Number of operations under load with current 300
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