Vs1 (ZN63) Series Indoor Vacuum Circuit Breaker

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Model NO.: ZN63
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Open Frame
• Structure: Vcb
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker
• Certification: VDE
• Rated Voltage: 12/24kv
• Rated Current: 1250/2000/2500/3150A
• Rated Frequency: 50Hz
• Transport Package: Carton for Export
• Specification: 580*580*440mm
• Trademark: China Brand
• Origin: China

Product Description

VS1 (ZN63A)-12 Indoor High Voltage Vacuum Circuit Breaker (hereinafter referred to as Circuit Breaker) is an indoor switchgear used in 12kV power system, As the protection and control unit of power grid equipment and power equipment of industrial and mining enterprises, it is used as a control and protection unit for cables, overhead lines, distribution stations, and power distribution stations in the power distribution system. Equipment such as motors, transformers, generators, and capacitors. The VS1 circuit breaker is mainly used to divide short-circuit currents and switch various loads (if on-load or overhead lines and cables, transformers and generators, motors, harmonic control systems, and even shunt capacitors at no load).
The circuit breaker has excellent performance in applications where frequent operation and/or short-circuit currents need to be interrupted, and it is fully charged

Detailed Photos

 

Specification

 

Serial number	project	unit	Value
1	Rated voltage	kV	12
2	Rated short-time power frequency withstand voltage (1min)		42 / 48
3	Rated lightning impulse withstand voltage (peak)		75 / 85
4	Rated frequency	Hz	50
5	Current rating	A	630 ~ 4000(1)
6	Rated short-circuit interrupting current	kA	20 ,25 ,31.5 ,40
7	Rated short-time withstand current	kA	20 ,25 ,31.5 ,40
8	Rated short-circuit duration	s	4
9	Rated peak withstand current	kA	50 ,63 ,80 ,100
10	Rated short-circuit closing current	kA	50 ,63 ,80 ,100
11	Power frequency withstand voltage of secondary circuit (1min)	V	2000
12	Rated single/back-to-back capacitor bank breaking current	A	630 / 400    ( ≤ 31.5kA)     800 / 400    (40kA)
13	The rated capacitor bank closes the inrush current	kA	12.5( 1000Hz)
14	Opening time (rated voltage)	ms	20 ~ 50
15	Closing time (rated voltage)	ms	35 ~ 70
16	Mechanical life	times	20000
17	The number of times the rated current is interrupted		20000
18	Rated number of short-circuit current interruptions		50  ( ≤ 31.5kA)     30(40kA)
19	Dynamic and static contacts allow for wear and cumulative thickness	mm	3
20	Rated closing and opening operating voltage	V	AC110 / 220       DC110 / 220
21	Rated voltage of energy storage motor	V	AC110 / 220       DC110 / 220
22	Rated power of energy storage motor	W	80
23	Energy storage time	s	≤ 15
24	Contact opening distance	mm	11 ± 1
25	Contact stroke	mm	3.1 ±0.3  ( ≤ 31.5kA)     3.5 ±0.5(40kA)
26	Contact closing bounce time	ms	≤ 2
27	Three-phase splitting and closing, different periods	ms	≤ 2
28	Average opening speed	m / s	0.9 ~ 1.5
29	Average closing speed	m / s	0.5 ~ 1.0
30	Dominant electrical loop resistance	μΩ	≤ 60   (630A)     ≤ 45   (1250A)     ≤ 35   ( 1600A ~ 2000A)     ≤ 25   (2500A )
31	Rated sequence of operations	/	open-0.3s- Combined-180s- Combined