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VS1-12 Indoor AC Vacuum Circuit Breaker
General
NINGBO TIANAN (GROUP) CO., LTD.
VS1-12 (ZN63A) type indoor medium voltage vacuum circuit breaker is used as protection and controlÂ
unit of three-phase AC indoor medium voltage switchgear and industrial and mining enterprise powerÂ
device of 50Hz and rated voltage up to 7.2~24kV. This products comply with IEC60694, IEC62271-100.Specifications
No.
Description
Unit
Data
1
Rated voltage
kV
12
2
Rated insulation levels
Rated power frequency withstand voltage/1min
( phase to phase, phase to earth, open contacts)
Â
kV
42
Rated lighting impulse withstand voltage
(phase to phase, phase to earth, open contacts)
75
3
Rated frequency
Hz
50
4
Rated current
Â
Â
A
630
630
1250
1600
1250
1250
1600
2000
2000
2500
2500
3150
4000
5
Rated short circuit breaking current
kA
20
25
31.5
40
6
Rated short time withstand current(4s)
kA
20
25
31.5
40
7
Rated short circuit making current
kA
50
63
80
100
8
Rated peak value of withstand current
kA
50
63
80
100
9
Rated operating sequence
O-0.3s-CO-180s-CO
O-180s-CO-180s-CO
10
Rated short circuit breaking current breaking times
times
30/20(40kA)
11
Rated cable charge breaking current
A
25
12
Rated single capacitor bank breaking current
A
630/400(40kA)
13
Rated back to back capacitor bank breaking current
400
14
Mechanical life
times
10000
16
Allowed abrade cumulative thickness of moving and static contactor
mm
3
17
Clearance between open contacts
mm
11±1
18
Contact stroke
mm
3.5±0.5
19
Bounce duration of contact closing
ms
≤2
20
Non-simultaneity of three phase for opening and closing
ms
≤2
 
Smart Board Projector: The Projection Module for Smart Board
Vs1-12hv Contactor Power Transmission/Distribution Auto Parts AC Vacuum Circuit Breaker
Model NO.: VS1-12
Poles Number: 4
Type: Circuit Breaker
Function: Conventional Circuit Breaker
Certification: VDE, ISO9001-2000, CE, UL, CB, CCC
Rated Voltage: 12 Kv
Altitude: up to 3,000m Above Sea Level
Environment: Indoor
Special Conditions: Depends on The Customer
Rated Current: 630 a
Rated Short Time Continual Time: 4 S
Test Equipment: IEC Standard
Typical Products: Circuit Breaker
Frequency: 50 Hz
Warranty: 10 Years
Trademark: Tianan Electric
Specification: IEC60076-1, IEC60076-2, IEC60076-5
Origin: Xiangshan Zhejiang P. R China
HS Code: 8535210000
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