Jubang Electric Co.,Ltd| Sourcing Services
Jubang Electric Co.,Ltd

China Manufacturer with main products: air circuit breaker , mould case circuit breaker , mini circuit breaker, automatic transfer switch, Vacuum Circuit Breaker, Transformer,...

Home  >Products Catalog > Vacuum Circuit Breaker > Indoor AC HC Vacuum Circuit Breaker (ZN63-12-VS1)

Indoor AC HC Vacuum Circuit Breaker (ZN63-12-VS1)

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Export Markets: South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe


Item Name: Indoor AC HV Vacuum Circuit Breaker (VS1)

ZN63-12(VS1) Indoor AC high voltage vacuum circuit-breaker series in the power system of three-phase AC, 50Hz and 10 kV to function as switching different kinds of leads or the loads needing frequent operation, and can protect and control electric equipment in the industrial & mineral enterprise, power plant and substation as well. It can coordinate with the KYN28A-12(GZS1) middle-arranged manual-driven switchgear or XGN-fixed switchgear as well.

Conform the standard: IEC 60056, GB198489, JB3855, DL/T403.
No. Item Unit Data
1 Rated voltage KV 12
2 Rated frequency Hz 50
3 Rated lighting impulse withstand voltage (peak) KV 75
4 Rated short time withstand voltage (1 min) KV 42
5 Rated short time breaking current KA 20 25 31.5 40
6 Rated current A 630
630, 1250
1600, 2000
2500, 3150
1600, 2000
2500, 3150
7 Rated short time withstand current (virtual value) KA 20 25 31.5 40
8 Rated peak withstand current (peak) KA 50 63 80 100
9 Rated short-circuit closing current (peak) KA 50 63 80 100
10 Rated short-circuit current duration s 4
11 Rated short-circuit current breaking time times 50 (for 40KA is 30)
12 Mechanism life Times 2000
13 Secondary circuit power frequency withstand voltage (1 min) V 2000
14 Rated operation order   O-0.3S-CO-180S-CO O-180S-CO-180S-CO
15 Rated unit/ back-to-back capacitor bank breaking current A 630/400 (for 40Ka is 800/4000
16 Rated capacitor bank closing inrush current KA 12.5(frequency is not higher than 1000HZ)
17 Contact opening distance mm 11± 0.1
18 Contact supper travel mm 3.5± 0.5
19 Contact closing tripping time ms ≤ 2
20 Three-phase breaking /closing non-synchronism ms ≤ 2
21 Average switch-off speed m/s 1± 0.2
22 Average switch-on speed m/s  
23 Switch-off (rated voltage) ms 20~60
24 Switch-on (rated voltage0 ms 30~70
25 Rated switch-on/off operating voltage V AC110/220, DC110/220
26 Energy storage motor rated voltage V AC110/220, DC110/220
27 Motor rated rate of work W 70(40KA  100W)
28 Energy storing time s ≤ 15
29 Contact erosion limit mm 3
30 Break-brake rebound amplitude mm ≤ 3
31 Main conducting loop resistance 630A
2500 and above
≤ 65μ Ω 
≤ 55μ Ω 
≤ 45μ Ω 
≤ 35μ Ω
32 Contact switch-on pressure 20KA
(2000± 200)N
(2400± 200)N
(3100± 200)N
(5000± 300)N
More Product Features
HS Code:  85362000
Trademark:  JUBANG
Model NO.:  VS1
Standard:  IEC60056
Shipment Terms:  FOB
Payment Terms:  T/T
Minimum Order:  2 Pieces
Origin:  China
Packing:  Wooden Case
Type:  Circuit Breaker
Function:  Circuit-Breaker Failure Protection
Certification:  CE
Installation:  Fixed
Speed:  Normal Type Circuit Breaker
Arc-extinguishing Medium:  Vacuum
Structure:  Vacuum Circuit Breaker
Operation:  Electric Type
Breaking Capacity:  High Voltage Circuit Breakers
Export Markets:  South America, Eastern Europe, Southeast Asia, Africa, Mid East, Eastern Asia, Western Europe
Company: Jubang Electric Co., Ltd.

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