Yueqing CNAOB Electric Co., Ltd.

home products HIGH VOLTAGE SWITCH FN12-12 Series Indoor HIGH VOLTAGE Load Switch 12KV WITH FUSE WITHOUT FUSE

FN12-12 Series Indoor HIGH VOLTAGE Load Switch 12KV WITH FUSE WITHOUT FUSE

Product Details:

Max. Current	400A
Max. Voltage	12KV
Place of Origin	Zhejiang, China (Mainland)

Payment & Shipping Terms:

Payment Terms:	L/C,T/T,Western Union

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Detailed Product Description

FN12-12 Series Indoor HIGH VOLTAGE Load Switch 12KV WITH FUSE WITHOUT FUSE used in the network of AC 50Hz,6KV or 12KV

Techniacl parameter and performances(please see the table)

Number	Name	Unit	FN12-12D/630	FN12-12D(R)D/100
1	Rated voltage	KV	12
2	Rated frequency	Hz	50
3	Rated current	A	630	100
4	Lighting impulse resisting voltage	KV	7585 To ground.interphase 75 isolation break 85
5	1min 1min power frequency withstand voltage	KV	4248 To ground.interphase 42 isolation break 48
6	Rated heat-stability current	KA	20(4S)
7	Rated machine-stability current	KA	50
8	Rated closing current(peak)	KA	50	50
9	Rated short-circuit breaking current (prospective value)	KA		31.5
10	I²·t Max.critical breaking current I²·t	A²S		fuse box characterisitic curve
11	Min.Breaking current	KA		fuse box characterisitic curve
12	Rated transfer current	KA		1.5
13	() Max.breaking current(reference value)	KA	1.8
14	Braking no-load transformer capcity	kva	1250
15	Rated cable charging current	A	10
16	Rated power load current breaking times	time	≥100
17	Switch-off time of rated power load current switch on-and-off	S		0.06
18	Rated transfer current	KA	20(2S)	20(2S)
19	() Rated transfer current	KA	50	50
20	Motor operating power valtage	V	100220 pay 110220 direct current

Mechanical characteristic parameter

Nunber	Name	Unit	FN12-12D/630	FN12-120D(R)D/100
1	Machine contact qeneral travel	mm	200^±8_-2
2	Interphase distance (before mechansim store energy)	mm	210±3
3	Dynamic contact ultra travel	mm	40±2
4	Auxiliary contact distance	mm	40±2
5	Three-phase switch on-and-off synchroneity	m/s	3
6	Switch-off speed	m/s	2.8	2.8
7	Switch-on speed	m/s	3.8
8	Distance between metal valueand conducting pipe	mm	125
9	Earth switch fracture distance	mm	150
10	Main.loop resistance	μΩ	120	300
11	Max.Opertaing moment	Nm	160

1,24mm
2FN12-12(R)D ,.

note:1.When measuring auxiliary contact distance. Add 24mm static contact to the conducting pipe.
2.When measuring FN12-12(R)D main loop resistance , the fuse box can be replaced by the conducting bar ignoring its resistance.