Load break switch FN7BEL-12D

FN7BEL-12D — high voltage hard gas load break switch for 10kV 50Hz grid. This circuit breaker is used for making and breaking of load currents.

Get advice

Normal operating conditions

Technical parameters

Design	Model	DS	DX	L	R	RA	F
Design	Model			front earthing blade	rear earthing blade	with locks	with fuses	with mechanism	with remote control
Without operating mechanism	FN7 BEL -10	-	-	-	-	-	-
	FN7 BEL -10DSL	v	-	v	-	-	-
	FN7 BEL -100DXL	-	v	v	-	-	-
	FN7 BEL -10R	-	-	-	v	-	-
	FN7 BEL -10DSLR	v	-	v	v	-	-
	FN7 BEL -10DXLR	-	v	v	v	-	-
With operating mechanism	FN7 BEL -10RAF	-	-	-	-	v	v
	FN7 BEL -10DSLRAF	v	-	v	-	v	v
	FN7 BEL -10DXLRAF	-	v	v	-	v	v

Rated technical parameters of CB

Rated voltage, kV	Maximum operating voltage, kV	Rar. current, A	Testing voltage, 50Hz, kV	4sec thermal withstand current , kA	Dynamic withstand current, kA	Short time short circuit current, kA	Rated breaking current, A	Max. continuous current, A
10	12	400	42/48	12.5	31.5	31.5	400	1000
10	12	630	42/48	20	50	50	630	1000

Rated fuses parameters

Type	Rated voltage, kV	Rated current, A	Rated fuse current, A
SDLA*J	12	40	6,3,10,16,20,25,31.5,40
SFLA*J	12	100	50,63,71,80,100
SKLA*J	12	125	125

Design 1.with operating mechanism Design 2. with fuses