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

Firefighter Safety Switch String Level Rapid Shutdown Device BFS-S

Designed for solar rooftop fire protection, the BFS-S Series fire safety switch offers a string-level load break disconnect solution.

                    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 5 years’ warranty
Original MC4 connectors for seamless Plug and Play installation
Optional protection cover for rooftop installations
Elevate your solar system's safety and performance with our cutting-edge rapid shutdown devices.

                

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Fire Fighter Safety Switch for Solar Building

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

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