Specialiseret i produktion af isoleringsprodukter

FN7-24R Lastafbryder 24kV 630A - Indendørs LBS med sikringsholder 50kA brydeevne IEC62271-105

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FN7-24R Load Break Switch: 24kV 630A indoor LBS with fuse holder, 50kA breaking capacity, IEC62271-105, load/short-circuit breaking, three-phase 50/60Hz, -25°C to +40°C operation.

Anvendelser:.

Advanced FN7-12/24DR Load Break Switch Series: Premium FN7-24R indoor high voltage load break switch designed for three-phase power supply systems with rated voltage 12/24kV and AC 50/60Hz, manufactured per IEC62271-105 standard, featuring integrated fuse holder for switching on/off load-breaking current and short-circuit current, delivering 630A rated current with 50kA rated short-circuit closing current and peak withstand current, capable of 25kA rated short-time withstand current (1s/2s) and 16kA (3s), providing maximum breaking capacity 900A in cooperation with fuse (200A max fuse current), designed for -25°C to +40°C ambient temperature operation at altitudes up to 1000m.

Three-Phase Distribution System Ready: FN7-24R incorporates 65kV power frequency withstand voltage (phase to earth/between poles) and 125kV lightning impulse withstand voltage (1.2/50μs), suitable for environments free from inflammables, explosives, corrosives with 95% daily humidity and earthquake intensity 8 degree, providing reliable indoor load break switching solution for three-phase distribution systems, substations, industrial facilities requiring IEC-compliant high-voltage load break switch with fuse holder and proven 50kA breaking performance.

Specifikationer

Main Specification
Type	Model	DS	DX	L	R	RA	F
Type	Model	Earthing Switch at Input Terminal	Earthing Switch at Output Terminal	Interlock Device	Fuse	Impact Release	Power Closing Device
No Release	FN7-12/24	-	-	-	-	-	-
	FN7-12/24DSL	△	-	△	-	-	-
	FN7-12/24DXL	-	△	△	-	-	-
	FN7-12/24R	-	-	-	△	-	-
	FN7-12/24DSLR	△		△	△	-	-
	FN7-12/24DXLR	-	△	△	△	-	-
With Impact Release	FN7-12/24RAF	-	-	-	-	△	△
	FN7-12/24DSLRAF	△	-	△	-	△	△
	FN712/24DXLRAF	-	△	△	-	-	-
Note: (-)without (△)with

Rated Data
Rated Voltage（kV）	Max Voltage （kV）	Nominel strøm （A）	1min P.F Withstand Voltage （kV）	4s Thermal Stable Current （virtual）（kA）	Dynamic Stable Current （peak）（KA）	Short Circuit Making Current （kA）	Rated Breaking Current （A）	Rated Transfer Current （A）
12	12	400	42/48	12.5	31.5	31.5	400	1000
12	12	630	42/48	20	50	50	630	1000
20	24	400	50/60	16	40	40	400	1000
20	24	630	50/60	20	50	50	630	1000

Funktioner

FN7-24R Load Break Switch Specifications	FN7-12	FN7-24R	Enhed
Modelnummer	FN7-12	FN7-24R	-
Brand	Bepto Isoleringssystemer	Bepto Isoleringssystemer	-
Produkttype	Indoor AC High Voltage Load Break Switch with Fuse Holder	Indoor AC High Voltage Load Break Switch with Fuse Holder	-
Overholdelse af standarder	IEC62271-105	IEC62271-105	-
Nominel spænding	12	24	kV
Nominel frekvens	50/60	50/60	Hz
Nominel strøm	630	630	A
Nominel kortslutningsstrøm ved lukning	50	50	kA
Nominel spidsbelastning (dynamisk konstant)	50	50	kA
Nominel korttidsmodstandstrøm (1s)	31.5	25	kA
Nominel korttidsmodstandstrøm (2s)	20	25	kA
Nominel korttidsmodstandstrøm (3s)	18	16	kA
Max Breaking Capacity (with Fuse)	1600	900	A
Maks. sikringsstrøm	200	200	A
Power Frequency Withstand Voltage (Phase to Earth)	42	65	kV
Power Frequency Withstand Voltage (Isolating Distance)	48	79	kV
Lightning Impulse Withstand (Phase to Earth) 1.2/50μs	75	125	kV
Modstandsdygtighed over for lynimpulser (isolationsafstand)	85	145	kV
Højde	≤1000	≤1000	m
Omgivelsestemperatur	-25 til +40	-25 til +40	°C
Relativ luftfugtighed (dagligt/månedligt gennemsnit)	95% / 90%	95% / 90%	-
Jordskælvets intensitet	8 degree	8 degree	-
Anvendelse	Three-Phase Power Systems, Substations, Industrial Facilities	Three-Phase Power Systems, Substations, Industrial Facilities	-

Fortæl verden om Bepto

Bepto er en førende kinesisk virksomhed inden for elektrisk isolering med fokus på at udvikle avancerede løsninger til fremtidens elsystemer. Vi støtter transmissions- og distributionssikkerhed og vækst med langsigtede partnere, herunder State Grid, ABB, Schneider, Siemens og GE. Vores tjenester når ud til kunder i over 22 lande.