VS1 (ZN63A) -12C series|Jingshe Electric Co., Ltd.

VS1 (ZN63A) -12C series

Product Category：Indoor high voltage vacuum circuit breaker

Intro：VS1 (ZN63A) -12C series side mounted type indoor high voltage vacuum circuit breaker, is three-phase AC 50HZ indoor high voltage switchgear with rated voltage 12kV, used as protection and control electrical equipment. This VCB is specially used for the locations of frequently operation based on the rated current, or multiple breaking short circuit current.

Product Consultation

Description
VS1 (ZN63A) -12C series side mounted type indoor high voltage vacuum circuit breaker, is three-phase AC 50HZ indoor high voltage switchgear with rated voltage 12kV, used as protection and control electrical equipment. This VCB is specially used for the locations of frequently operation based on the rated current, or multiple breaking short circuit current.
The side mounted circuit breaker is designed as a fixed type mount, and mainly used in fixed type switchgear. It can be used separately, also be used for Ring Main Unit, substation and non-standard power supply system.

Environment Condition:
- Ambient temperature:-15℃~+40℃
- Altitude: ≤1000m
- Daily average relative humidity: ≤95%
- Monthly average relative humidity: ≤90%
- Earthquake intensity: ≤8 degree
- No fire, explosion, severe vibration, chemical corrosion and serious pollution

Technical Data

1	Rated voltage		kV	12
2	Max. working voltage		kV	12
3	Rated Current		A	630, 1250	1600,2000 2500, 3150	2000, 2500 3150, 4000
4	Rated short-circuit breaking current		kA	20/25	31.50	40
5	Rated short-circuit closing current (peak)		kA	50/63	80	100
6	Rated peak withstand current		kA	50/63	80	100
7	4s rated short-circuit withstand current		kA	20/25	31.50	40
8	Nos. of rated short-circuit breaking current		Times	50 (30 above 40kA)
9	Rated operating sequence			0-0.3s-CO-180s-CO/ 0-180s-CO-180s-CO(Above 40KA)
10	Rated lightning impulse withstand voltage		kV	75(Switch gap:85)
11	1min power frequency withstand voltage		kV	42 (Switch gap:48)
12	Mechanical life		Times	10000
13	Contact open distance		mm	11±1
14	Contact Over-travel (Length of spring compression)		mm	3.5±0.5
15	Rated switch-on/off operating voltage		V	AC110/220,DC110/220
16	Tripping time	Max. operating voltage	s	≤0.05
		Min. operating voltage		≤0.08
17	Closing time		s	0.1
18	Motor rated power		W	70 (above 40kA: 100W)
19	Average closing speed		m/s	0.5-0.8
20	Average opening speed		m/s	0.9-1.2
21	Contact closing bounce time		ms	≤2
22	Three phase contact closing opening asynchrony		ms	≤2
23	The main circuit resistance each phase		μΩ	630A≤50, 1250A≤50, 1600A≤40
24	Allowed consumpted thickness of contacts		mm	3