• sf6 lbs load break switch
sf6 lbs load break switch

FLN48-12 Indoor HV SF6 Load Break Switch lbs

Model: FLN48-12


FLN48-12 load break switch use SF6 gas as arc extinguishing and insulating medium. There are three work stations: opening, closing and grounding in the switch. It has small volume, installing easy-to -use, strong environmental adaptabiliy and other characterist.

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    Good Safety Performance

    If internal arcing occurs, the housing has an internal structure weak point, it will be rushed to open, followed by the cabinet above the shutter release arc red open air overpressure stream-oriented outside the cabinet, ensure that the switch cabinet security checks.

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    High Security and Reliability

    Load break switch sets closing, opening, earthing three at one, filled with SF6 gas encapsulated in epoxy resin housing, three-position interlock, have compact structure.

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    Other Advantages

    Small size, light weight, maintenance-free, easy and safe to operate.

  • Technical Parameters
  • Drawing
Item Unit Data
FLN48-12D/T630-20 FLRN48-12D/T1250-50
1 Rated voltage kV 12
2 Rated frequency Hz 50
3 Rated current A 630 1250
4 Rated active load breaking current 630
5 Rated closed loop dropout current 630
6 Rated transfer current 1750
7 Lightning impulse withstand voltage(peak) kV 75 75
8 1min power frequency withstand voltage 42 42
9 Rated short-time withstand current(2s) kA
10 Rated peak withstand current 50
11 Rated short-circuit closing current(load break switch) 50 125
12 Rated short-circuit closing current(earth switch) 50 50
13 Fuse type XRNT-12kV/125A
14 Output energy of impactor J 1+0.5
Mechanical life Load switch time 5000
Earth switch 2000

FLN48-12 Type Indoor HV SF6 Load Break Switch drawing

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