Vs1-12 High-Voltage Vacuum Circuit Breaker Kyn Switchgear

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Model NO.: VS1-12
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed or Handcart Type
• Structure: Vcb
• Poles Number: 3
• Function: Isolation,Protection,Automatic Reclosing
• Certification: ISO9001-2000
• Rated Voltage: 12kv
• Rated Current: 630/1250/1600A
• Mechanical Life: 30000 Times
• Altitude: 1000m
• Transport Package: Wooden Box Packing
• Specification: Custom-made
• Trademark: Degatech
• Origin: China
• HS Code: 8535210000
• Production Capacity: 10000/M

Product Description

ZN63(VS1)- 40.5 indoor AC high- -voltage vacuum circuit breaker (hereinafter referred to as circuit breaker) is suitable for three -phase AC 50Hz, 40.5kV indoor handcart switchgear, and can be used as protection and control for industrial and mining enterprises, power plants and substations. Equipment, and suitable for places with frequent operations. The performance of this product conforms to the national standard GB1984- -2003 "AC High Voltage Circuit Breaker", JB3855 "3.6 -40.5KV Indoor AC High Voltage Vacuum Circuit Breaker", GB/T11022-1999 "Common Technical Requirements for High Voltage Switchgear and Control Equipment Standards" and IEC62271-100 and other standards.

No.	Item		Unit	Data
1	Rated voltage		KV	12
2	Max.working voltage		KV	12
3	Rated current		A	630 1250	630 1250 1600  2000 2500  3150		1250  1600 2000 2500 3150  4000
4	Rated short circuit breaking current (Rated thermal stability current (RMS))		KA	20/25	31.5		40
5	Rated short-circuit current (peak)		KA	50/63	80		100
6	Rated dynamic stability current (peak)		KA	50/63	80		100
7	4S Rated withstand current		KA	20/25	31.5		40
8	Rated insulation level	Power frequency withstand voltage (rated breaking before and after)/1 min power frequency withstand voltage	KV	To earth 42 (Between open contacts)
		Impulse withstand voltage(rated breaking before and after)/Lightning impulse withstand voltage (peak)		To earth 75 (Between open contacts
9	Rated thermal stability time		S	4
10	Rated operating sequence			O-0.3S-CO-180S-CO
11	Mechanical life		Times	20000
12	Rated short circuit current breaking time		Times	50
13	Rated operating mechanism closing voltage (DC)		V	AC,DC     110,220
14	Actuator voltage of the floodgate (DC		V	AC,DC     110,220
15	Contact stroke		mm	11±1
16	Overtravel(the length of contact spring compression)		mm	3.5±0.5
17	Three-phase points,closing phase asynchronous		Ms	≤2
18	Contact closing bounce time		ms	≤2
19	Average opening speed		m/s	0.9~1.2
	Average closing speed		m/s	0.5~0.8
20	Opening time	Under max.operating voltage	S	≤0.05
21		Under min.operating voltage		≤0.08
22	Closing time		S	0.1
23	The main circuit resistance of each phase		μΩ	630≤50		1250≤45
24	Allowed comision thickness for fixed and movable contacts		mm	3

Zhejiang Degatech Electric Power Technology Co., Ltd. is a diverse and comprehensive enterprise specializing in the research and development, production, sales, and service of transmission and distribution equipment up to 35kV. Our main products include solid insulated ring main unit switchgear, gas insulated switchgear, and eco-friendly switchgear. We continuously introduce modern production equipment and manufacturing processes, invest in product research and development, and cultivate scientific and technological talent.

Committed to the goals of high quality and precision, combined with the wisdom and diligence of our employees, we consistently provide customers with high-quality and high-performance products. We strive for excellence, producing top-notch products, and establishing comprehensive technical support and robust after-sales service.

Innovation and development are our core principles. In response to the rapidly evolving power industry, we focus on management innovation, technological innovation, and production innovation. We adapt to changing realities, transform, and upgrade to stay current. By offering advanced, high-precision products and high-quality services, we secure stable cooperation with both new and longstanding customers. We warmly welcome users to establish close cooperative relationships with us and work together to create a brighter future.