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Home Products Rapid Shutdown Device Firefighter Safety Switch String Level Rapid Shutdown Device BFS-S
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Firefighter Safety Switch String Level Rapid Shutdown Device BFS-S

The BFS-S Series 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 / 2 Strings / 3 Strings / 4 Strings
  • 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
  • CE-Certified icon
  • TUV icon
  • UL-Certifed icon
Download Datasheet Request A Quote
  • BFS S features

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 advan

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

BFS-S Wiring Diagram

How the solution works?

  • BFS S advan new 04

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

SPECIFICATION

Models BFS-S
Max DC voltage IEC/EN 60947-3 1500V
Max DC current IEC/EN 60947-3 50A
Models BFS-S1 BFS-S2 BFS-S3 BFS-S4
Number of Strings 1 string 2 strings 3 strings 4 strings
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 -40℃-85℃
Maximum operating temperature before automatic switch OFF +85℃
Protection Level Class II
Number of operations without current 9700
Number of operations under load with current 300

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