FKW18-12(40.5)/630-20 Outdoor HV Load Break Switch

Ambient condition

No.	Item			Unit	Data
1	Rated voltage			kV	12
2	Rated current			A	630
3	Rated power frequency			Hz	50/60
4	Rated peak withstand current			kA	50
5	Rated short-time withstand current			kA	20
6	Rated short-circuit duration			s	4
7	Rated active load breaking current			A	630
8	Rated loop breaking current			A	630
9	Rated cable charging current			A	10
10	5% rated active load breaking current			A	31.5
11	Rated power transformer breaking current			A	1250
12	Rated short-circuit making current			kA	50
13	Main loop resistance				90
14	1min power frequency withstand voltage	Dry	phase to phase, to earth	kV	42
		Dry	across open contacts		49
		Wet	phase to phase, to earth		30
15	Lightning impulse withstand voltage(peak)		phase to phase, to earth	kV	75
15	Lightning impulse withstand voltage(peak)		across open contacts	kV	85
16	Mechanical life			Times	2000

17	Three phase O/C asynchronous	ms		5
18	Voltage, power of motor	V	W	220	200
19	Closing direction deflexion of blade	mm		2
20	Main blade pressure	N		420 42
21	Blade opening distance	mm		200
22	Rated operating moment	Nm		300

No.	Item			Unit		Data
1	Rated voltage			kV		40.5
2	Rated current			A		630
3	Rated power frequency			Hz		50/60
4	Rated peak withstand current			kA		50
5	Rated short-time withstand current			kA		20
6	Rated short-circuit duration			s		4
7	Rated active load breaking current			A		630
8	Rated loop breaking current			A		630
9	Rated cable charging current			A		10
10	5% rated active load breaking current			A		31.5
11	Rated power transformer breaking current			A		1250
12	Rated short-circuit making current			kA		50
13	Main loop resistance					95
14	1min power frequency withstand voltage	Dry	phase to phase, to earth	kV		95
			across open contacts	kV		115
		Wet	phase to phase, to earth	kV		85
15	Lightning impulse withstand voltage		phase to phase, to earth	kV		185
			across open contacts	kV		215
16	Mechanical life			Times		2000
17	Three phase making and breaking asynchronous			ms		5
18	Voltage and power of motor			V	W	220	200
19	Position deflexion of closing blade			mm		2
20	Main blade pressure			N		420 42
21	Blade distance			mm		360
22	Rated operating moment			Nm		300