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20kv 24kv Hv High Voltage Isolator Switch Electrical High Efficiency

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20kv 24kv Hv High Voltage Isolator Switch Electrical High Efficiency

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Brand Name :	XK
Model Number :	FN12
Certification :	ISO9001 / GB / IEC
Supply Ability :	100 Piece/Pieces per Month
Price :	Negotiation

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20kv 24kv Hv High Voltage Isolator Switch Electrical High Efficiency

20kv load break switch h.v. electrical load break switch 24kv break switch

Product Description

20kv 24kv Hv High Voltage Isolator Switch Electrical High Efficiency

Disconnect switches can be supplied with equipment to provide a limited load switching capability. Arcing horns, whips, and spring actuators are typical at lower voltages.

These switches are used to de-energize or energize a circuit that possesses some limited amount of magnetic or capacitive current, such as transformer exciting current or line charging currents.

An air switch can be modified to include a series interrupter (typically vacuum or SF6) for higher voltage and current interrupting levels.

These interrupters increase the load break capability of the disconnect switch and can be applied for switching load or fault currents of the associated equipment.

ltem	Unit	Data
Rated voltage	KV	FN12-12D/630	FN12-12(R)D/125
Rated frequency	HZ	12
Rated current	A	50
1min power frequency withstand voltage	KV	42 to ground and phases fracture 48
Lightning impulse withstand voltage	KV	75 to ground and phases fracture 85
Rated thermal stable current	KA	630	100
Rated dynamic stable current	KA	50
Rated switching current(peak)	KA	50	50
Rated short-circuit current(expected)	KV		31.5
Maximum breaking current threshold	HZ	Fuse characteratic curve accorting
Minimum breaking current	A	Fuse characteratic curve accorting
Rated transfer current	KV	50	1.5
Maximum breaking current	KV	1.8
Breaking OFF-load transformer capacity	KV/A	1250
Rated cable charging current	A	10
Rated active load current breaking times	Times	10000
Opening time when striker strikes	S	<0.06
Earth switch thermal current switch	KA	20(2S)
Thermal stable current of earth switch	KA	50	50
Motor operating power supply voltage	V	AC/DC 110/220

20kv load break switch h.v. electrical load break switch 24kv break switch

ltem	Unit	Data
		FN12-10D/630	FN12-10(R)D/125
The total traveling distance of moving contact	mm	200+8-2
Phase center distance (Before energy storage)	mm	210±15
Moving contact overtravel distance	mm	40±2
Auxiliary contact opening distance	mm	>150
Opening/Closing time difference among three phase	ms	<3
Opening speed	m/s	>2.8	>2.8
Closing speed	m/s	>3.8
Distance between metal flexible door and torch	mm	>125
Fracture distance of earth switch	mm	>150
Main circuit resistance	Ω	<120	<300
Maximum operating torque	NM	>160

20kv load break switch h.v. electrical load break switch 24kv break switch

20kv 24kv Hv High Voltage Isolator Switch Electrical High Efficiency

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