(H)GW5 Outdoor High-voltage Isolation Switch

Category：

Outdoor High-voltage lsolation Switch
Browse number：

16
Release time：

2025-03-13 17:30:08
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Detailed Description

GW5-40.5D adds a grounding knife switch to the ordina isolation switch, which is divided into single grounding and double grounding types; GW5-40.5Kis equipped with Circuit Breakers and buering devices, which are usually used in conjunction with JW1 type grounding switches; GW5-40.5E is equipped with suppoing conductive Poles, which are only applicable to hard busbar layout locations. GW5-40.5Z is a special column installation type.

1.Voltage level

Voltage level	A	B	C	D	E	F	R	H
40.5kV	1100	550	520	860	1020	360-410	778	230
72.5kV	1270	7850	715	1200	1300	610	1088	400
126kV	1630	1140	102	1530	1690	950-1000	1518	570

Voltage level	G	L	F	H
40.5kV	400(420)	1200	360-410(420)	230
72.5kV	515(530)	1600	610(650)	400
126kV	680(700)	2000	950-1000(1000)	570

Note: e values in parentheses are 1600 and 2000A

2.(H)GW5-40.5、72.5、126 D(W)/630、1000、1250、2000

Horizontal installation three-phase joint installation diagram

This product can be operated by CS17, CS17-II, CS-G operating mechanisms, and the grounding knife switch is equipped with CS17, CS8-5, CS-G operating mechanisms.

3.GW8 series neutral point isolation switch

Number	Project	Unit	Parameter
			GW8-40.5	GW8-72.5	GW8-126
1	Rated voltage	kV	40.5 72.5 126
2	Rated current	A	630 630 630
3	Rated short-time withstand current 4S	kA	20 20 20
4	Rated peak withstand current	kA	50 50 50
5	1-minute power frequency withstand voltage (effective value)	kV	80 140 230
6	Lightning impulse withstand voltage (peak value)	kV	185 325 450
7	Mechanical lifespan	Once	2000 2000 2000
8	Rated wiring terminal	N	800 800 800
9	Mechanical load	N	200 200 200
10	Leakage distance ratio	mm/kV	6(I级)20(I级)25(Ⅲ级)
11	Operating distance of human resources institutions	Nm	≤200 ≤200 ≤200
12	Total weight of a single unit	kg	120 120 120
13
	Supporting organization		CS8-5 manual mechanism or CJ6 horizontal electric mechanism

4.GW13 series neutral point isolation switch

Number	Project	Unit	Parameter
			GW13-72.5	GW13-126
1	Rated voltage	kV	72.5 126
2	Rated current	A	630 630
3	Rated short-time withstand current 4S	kA	20 20
4	Rated peak withstand current	kA	50 50
5	1-minute power frequency withstand voltage (effective value)	kV	140 230
6	Lightning impulse withstand voltage (peak value)	kV	325 450
7	Mechanical lifespan	次/Once	2000 2000
8	Minimum Insulation gap after disconnection	mm	>675 ＞1050
9	Main circuit resistance	μΩ	＜180 ＜200
10	Unipolar weight	kg	160 200
11
	Supporting organization		CS17-G manual mechanism or CJ2-G electric mechanism