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AC 145kv High Voltage Disconnect Switch 1000m GW4 No Load Change

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Ningbo Tian'an Jinghua Power Technology Co., Ltd.

AC 145kv High Voltage Disconnect Switch 1000m GW4 No Load Change

Country/Region	china
City & Province	ningbo zhejiang
Categories	Other Switches

Product Details

AC 145kv High Voltage Disconnect Switch 1000m GW4 No Load Change

These disconnectors are , no load switching devices which physically isolate the lines. They are designed for horizontal outdoor application and can also be designed for vertical installation. For earthing and closing of switchyard portions of the installation, the earthing switches are provided on disconnector. If required.

AC 145kv High Voltage Disconnect Switch 1000m GW4 No Load Change SERVICE CONDITIONS
The isolator shall be suitable for continuous operation outdoors in tropical areas at altitudes of up to 2200m above sea level, humidities of up to 90%, average ambient temperature of +30ºC with a minimum of -1ºC and a maximum of +40ºC and heavy saline conditions along the coast.

AC 145kv High Voltage Disconnect Switch 1000m GW4 No Load Change Technical parameters:

Item	Type	Rated voltage(KV)	Rated current(A)	Isolating switch		Grounding switch				Grounding switch
				Rated peak withstand current(KA)	Rated time withstand current(KA)	Rated peak withstand current(KA)		Rated time withstand current(KA)
General type	GW4	15	400-1600	40	20(4s)	40	40	20(4s)	31.5(4s)	Ungrounded; Grounding; Double grounding
		20	400-2000		31.5(4s)
		40.5	630-2500
		66
		126
		138