JW6-126/252 outdoor AC high-voltage grounding switch is for high voltage line to make the reliable grounding, in order to make sure the personal safety in the maintenance of busbar and other equipments. Equipped with CSC human mechanism(or CJ11 motor operating mechanism), the electromagnetic lock of CSC human mechanism is supplied to other equipments for electrical interlocking.

2.Main Features

2.1.Straight lun plug-in, advanced design concept, simple and reliable

2.2.The transmission shaft of products use high-quality alloy steel, hot-galvanizing process on surfaces, strong anti-corrosion. Some part of drive shaft adopt composite sleeve, good wear resistance and strong anti-corrosion.

2.3.Products has the characteristic of smooth and reliable operation, small operating force, long mechanical life, etc.

2.4.Reasonable structure, sate and reliabe performance, easy installation and commissioning on-site.

2.5. Long mechanical life: 5000 times

2.6.The transimission part of products is coated with anti-freezing greese, its operating temperature is -60°C～120°C, low temperature operation is not affected.

2.7.The contact surface of the products is Toshiba silver plating technology, the hardness of silver layer is 140HV, enhances the conductivity and wear resistance of its surface.

3.Service environment

JW6-126/252 service environment stable 1

Items	Specifications		Unit	Value
1	The surrounding air temperature	The Highest temperature	℃	+40
		The Lowest temperature	℃	-40
		Maximum daily temperature difference	K	25
2	Altitude		m	≤2000
3	Solar radiation indensity		w/m2	1000
4	pollution class			Ⅲ、Ⅳ
5	Icing-thickness		mm	10
6	Wind speed		m/s	34
7	Humidity	Daily average relative humidity	%	≤95
7	Humidity	Monthly average relative humidity	%	≤90
8	seismic intensity(horizontal acceleration)		m/s2	8 degree(0.2g)
9	The common mode voltage amplitude which is induced by the opening and closing operation of the main circuit from the auxiliary and control circuit.		kV	≤1.6
10	The installation site should be free of severe vibration and flammable, explosive materials and chemical corrosion.

4.The main technical parameters

JW6-126 Technical parameter 2

items	Specifications				Unit	Value
I	The structure and mode of earthing switch
1	Structure style					Straight lun plug-in
2	Operating mechanism style					CJ11 motor operating mechanism/CSC human mechanism
	Operating mode					3-phase mechanical linkage
	Electric or mannual					Electric and mannual/mannual
	Motor voltage				V	AC380 or DC220/No
	Control voltage				V	AC 380 or AC 220 or DC 220 or DC 110/No
3	Backup auxiliary contact				Yes	8
II	Rated parameters
1	Rated voltage				kV	126
2	Rated frequency				Hz	50
3	Resistance of the main circuit				μΩ	≤225
4	1min power frequency withstand voltage				kV	230
	Rated lightning impulse withstand voltage peak（1.2/50ms）				kV	550
5	Rated short-time withstand current				kA	40
6	rated duration of short-circuit				s	3
7	Rated peak withstand current				kA	100
8	The switching induced current capacity of the earthing switch(A/B)	Electromagnetic induction		Reactive current	A	50/80
				Induced voltage	kV	0.5/2
				Breaking times	time	10
		Electrostatic induction		Capacity current	A	0.4/2
				Induced voltage	kV	3/6
				Breaking times	time	10
9	Opening time				s	12±2
10	Closing time				s	12±2
11	Break-brake average speed				m/s	0.08
12	Closing average speed				m/s	0.08
13	mechanical life				time	≥5000
14	Assist and control circuit short-time power frequency withstand voltage				kV	2
15	radio interference voltage				μV	≤500
16	Wiring terminal static mechanical load		Longitudinal		N	1250
			Horizontal			750
			Vertical			1000
			Safety factor			Static state2.75，Dynamic state1.7
17	After closing the earthing switch, the minimum air insulation distance should not less than				mm	920
18	supporting insulator		Creepage distance		mm	III grade 3150 IV grade 3906
			Electric arc distance (dry)			≥900
			S/P			≥0.9
			Bending resistance		kN	≥6

4.2JW6-252Technical parameter 3

items	Specifications				Unit	Value
I	The structure and mode of earthing switch
1	Structure style					Straight lun plug-in
2	Operating mechanism style					CJ11 motor operating mechanism/CSC human mechanism
	Operating mode					3-phase mechanical linkage
	Electric or mannual					Electric and mannual/mannual
	Motor voltage				V	AC380 or DC220/No
	Control voltage				V	AC 380 or AC 220 or DC 220 or DC 110/No
3	Backup auxiliary contact				Yes	8
II	Rated parameters
1	Rated voltage				kV	126
2	Rated frequency				Hz	50
3	Resistance of the main circuit				μΩ	≤225
4	1min power frequency withstand voltage				kV	230
	Rated lightning impulse withstand voltage peak（1.2/50ms）				kV	550
5	Rated short-time withstand current				kA	40
6	rated duration of short-circuit				s	3
7	Rated peak withstand current				kA	100
8	The switching induced current capacity of the earthing switch(A/B)	Electromagnetic induction		Reactive current	A	50/80
				Induced voltage	kV	0.5/2
				Breaking times	time	10
		Electrostatic induction		Capacity current	A	0.4/2
				Induced voltage	kV	3/6
				Breaking times	time	10
9	Opening time				s	12±2
10	Closing time				s	12±2
11	Break-brake average speed				m/s	0.08
12	Closing average speed				m/s	0.08
13	mechanical life				time	≥5000
14	Assist and control circuit short-time power frequency withstand voltage				kV	2
15	radio interference voltage				μV	≤500
16	Wiring terminal static mechanical load		Longitudinal		N	1250
			Horizontal			750
			Vertical			1000
			Safety factor			Static state2.75，Dynamic state1.7
17	After closing the earthing switch, the minimum air insulation distance should not less than				mm	920
18	supporting insulator		Creepage distance		mm	III grade 3150 IV grade 3906
			Electric arc distance (dry)			≥900
			S/P			≥0.9
			Bending resistance		kN	≥6

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