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Home > Products > HV-Circuit Breaker > Vs1-12 Series Indoor AC Vacuum Circuit Breaker

Vs1-12 Series Indoor AC Vacuum Circuit Breaker

Basic Info

Model No.:  VS

Product Description

Model NO.: VS Operation: Energy-storage Type Arc-extinguishing Medium: Vacuum Structure: ACB Type: Circuit Breaker Certification: VDE, ISO9001-2000, CE, UL, CB, CCC Altitude: up to 3,000m Above Sea Level Special Conditions: Depends on The Customer Rated Short Time Continual Time: 4 S Typical Products: Circuit Breaker Warranty: 10 Years Specification: IEC60076-1, IEC60076-2, IEC60076-5 HS Code: 8535210000 Breaking Capacity: High Voltage Circuit Breakers Speed: Normal Type Circuit Breaker Installation: Fixed Poles Number: 4 Function: Conventional Circuit Breaker Rated Voltage: 12 Kv Environment: Indoor Rated Current: 630 a Test Equipment: IEC Standard Frequency: 50 Hz Trademark: Tianan Electric Origin: Xiangshan Zhejiang P. R China VS1-12 Indoor AC Vacuum Circuit Breaker
VS1-12 (ZN63A) type indoor medium voltage vacuum circuit breaker is used as protection and control 
unit of three-phase AC indoor medium voltage Switchgear and industrial and mining enterprise power 
device of 50Hz and rated voltage up to 7.2~24kV. This products comply with IEC60694, IEC62271-100.
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)
Rated lighting impulse withstand voltage
(phase to phase, phase to earth, open contacts)
3 Rated frequency Hz 50
4 Rated current  
630 630 1250 1600
1250 1250 1600 2000

2000 2500

2500 3150

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
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
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
Vs1-12 Series Indoor AC Vacuum Circuit Breaker
Vs1-12 Series Indoor AC Vacuum Circuit Breaker
Vs1-12 Series Indoor AC Vacuum Circuit Breaker

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