Contact Us
Email:libajiele@yahoo.com
Mobile:86-18680475290
Tel:86-577-61670617
Fax:86-577-62051190
Web:www.lbaji.com
Mobile:86-18680475290
Tel:86-577-61670617
Fax:86-577-62051190
Web:www.lbaji.com
 |
- product name : VS1-12 Hand Car Vacuum Circuit Breaker
- product brand : LBAJI
- Place of Origin : CHINA
- E-mail : sales@labji.com
- Online Contact :
Detailed Instruction
■ Overview
VS1 series vacuum circuit breaker for the rated voltage 12KV, three-phase AC 50HZ high-pressure indoor switch equipment, is the introduction of Switzerland ABB technology combined with the development of the domestic industry, production capacity development and manufacturing products. The overall structure of the product for the beginning of the body and the operating mechanism of the installation of the form, the use of composite insulation structure, no pollution, no explosion hazard, high insulation level.
The operating mechanism of this series of products for the spring energy storage, you can use AC operation, can also be manually operated.
■ Main technical parameters
VS1 series vacuum circuit breaker for the rated voltage 12KV, three-phase AC 50HZ high-pressure indoor switch equipment, is the introduction of Switzerland ABB technology combined with the development of the domestic industry, production capacity development and manufacturing products. The overall structure of the product for the beginning of the body and the operating mechanism of the installation of the form, the use of composite insulation structure, no pollution, no explosion hazard, high insulation level.
The operating mechanism of this series of products for the spring energy storage, you can use AC operation, can also be manually operated.
■ Main technical parameters
|
Serial number
|
Project
|
Unit
|
Data
|
|||
|
31.5KA
|
40KA
|
50KA
|
||||
|
1
|
Rated voltage
|
KV
|
12
|
|||
|
2
|
Maximum operating voltage
|
KV
|
12
|
|||
|
3
|
Rated current
|
A
|
1250，1600
2000，2500 |
1250，1600
2500，3150 |
1250，2500
3150 |
|
|
4
|
Rated short circuit breaking current
|
KA
|
31.5
|
40
|
50
|
|
|
5
|
Rated short-circuit opening and closing current (peak)
|
KA
|
80
|
100
|
125
|
|
|
6
|
Rated peak withstand current
|
KA
|
80
|
100
|
125
|
|
|
7
|
4S rated short time withstand current
|
KA
|
31.5
|
40
|
50
|
|
|
8
|
Rated insulation level
|
Power frequency withstand voltage (before and after the rated breaking)
|
KV
|
42（Fracture48）
|
||
|
Impact pressure (before and after rated breaking)
|
75（Fracture84）
|
|||||
|
9
|
Rated operating sequence
|
|
Points -0.3S-points -180S-points
|
|||
|
10
|
Mechanical life
|
Times
|
10000
|
|||
|
11
|
Rated short circuit breaking current breaking times
|
Times
|
50
|
|||
|
12
|
Actuator rated closing voltage (DC)
|
V
|
110，220
|
|||
|
13
|
Actuator rated bypass current (DC)
|
V
|
110，220
|
|||
|
14
|
Contact open the cabinet
|
mm
|
11±1
|
|||
|
15
|
Overstroke (contact spring compression length)
|
mm
|
4±0.5
|
|||
|
16
|
Three-phase points, closing different period
|
ms
|
≤2
|
|||
|
17
|
Contact closure bounce time
|
ms
|
≤2
|
|||
|
18
|
Average opening speed
|
m/s
|
0.9∽1.2
|
|||
|
19
|
Average closing speed
|
m/s
|
0.6∽0.8
|
|||
|
20
|
Opening time
|
Maximum operating voltage
|
s
|
≤0.05
|
||
|
Minimum operating voltage
|
≤0.08
|
|||||
|
21
|
Closing time
|
s
|
≤0.1
|
|||
|
22
|
The main circuit resistance of each phase
|
μΩ
|
≤40
|
|||
|
23
|
The static and dynamic contact allows the accumulated thickness to wear
|
mm
|
3
|
|||
■Shape and installation dimensions
