GW4-12 12kV Outdoor High Voltage Disconnect Switch

GW4-12 12kV Outdoor Disconnecting Switch

Outdoor Disconnect Switch

Description

GW4-12 12kV Outdoor High Voltage Disconnect Switch

General Introduction

GW4-12 12kV outdoor AC H.V. disconnect switch (disconnect switch for short) is used to open and close circuit with voltage but no-load 50/60Hz,12(40.5)kV power system.It accords with standards of IEC129-1984 AC Disconnect Switch and Earthing Switch and GB1985 and other relative standards.

Working Conditions

Altitude: ≤3000mm;

Ambient temperature: -25°C ~+40°C ;

Wind speed:≤ 35m/s;

Pollution degree: III;
Earthquake intensity:≤ 8 degree;
Applicable occasions should free from inflammable, explosives, caustic gas .

Technical Specification

Rated Voltage	Max. Voltage	Rated Current	Dynamic stable current（peak value）	Thermal stable current（valid value）	1MIN Power Frequency Withstand Voltage(valid value)		Lightning Impulse Withstand Voltage（peak value)		Breaking capacitor current	Creep Distance		Weight/Pole	Re-mark
					against ground	between contacts	against ground	between contacts
KV	KV	A	KA	KA-S	KV		KV		A	Mm		Kg
										ordinary	anti-pollution
12 24	12 24	630	50	20-4	75	85	165	200		625	875	120
		1250	80	31.5-4								145
		1600	100	40-2							1225	170
		2000
35 (40.5)	40.5	630	50	20-4	80	90	185	215		625	875	120
		1250	80	31.5-4								145
		1600	100	40-2							1225	170
		2000
63 (72.5)	72.5	630	50	20-4	140	160	325	375		1100	1600	180
		1250	80	31.5-4								200
		1600	100	40-2							1813	225
		2000
		2500	125	50-2							2205	260
110 (126)	126	630	50	20-4	230 (185)	265 (450)	550 (450)	630 (520)		1870	2750	200	altitude≤2500m
		1250	80	31.5-4								230
		1600	100	40-2							3150	260
		2000
(145)	145	1250	80	31.5-4	275	315	650	750		2400	3800	300	altitude≤4000m
		1600	100	40-2								320
		2000
		3150	125	50-3								380
220 (245)	252	1250	100	40-3	450	530	1050	1200	0.5	3740	5500 6300	630~710
		1600	125	50-3								650~750
		2000
		2500
		3150										690~780