Home > Products > HV Vacuum Circuit-Breaker > ZN63A-12C series 12kv 20ka indoor HV vacuum circuit breaker fixed to AC insulated mental-clad switchgear
ZN63A-12C series 12kv 20ka indoor HV vacuum circuit breaker fixed to AC insulated mental-clad switchgear
- 10000 Set / Sets per Month
- Ningbo/Shanghai
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Product Details
Place of Origin: | Zhejiang, China | Brand Name: | Jubang | Model Number: | ZN63A-12C |
Type: | Other, Vacuum, indoor HV vacuum circuit breaker | Poles Number: | 3 |
Product Description
ZN63A-12C series 12kv 20ka indoor HV vacuum circuit breaker fixed to AC insulated mental-clad switchgear
What are the specifications of our zn63a-12 series indoor HV cacuum circuit breaker?
1. Description:
ZN63A-12C series indoor HV vacuum circuit breaker is used for XGN15-12(Z) type and fixed AC insulated metal-clad switchgear, instead of load switch as a input switch for distribution substation.It provides protection for output cabinet; or is used as an output switch to provide and control power transformer whose capacity is higher than 1250KA.
2. Product data:
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 |
6 | Rated current | A | 630 1250 | 630 1250 | 630 1250 1600 |
7 | Rated short time withstand current (virtual value) | kA | 20 | 25 | 31.5 |
8 | Rated peak withstand current (peak) | kA | 50 | 63 | 80 |
9 | Rated short-circuit closing current (peak) | kA | 50 | 63 | 80 |
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 | |||
15 | Rated unit/back-to-back capacitor bank breaking current | A | 630/400 | ||
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 | 0.6 +0.2 -0.1 | ||
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 | μΩ | ≤45 | ||
32 | Contact switch-on pressure | 20KA | (2000±200)N | ||
25KA | (2400±200)N | ||||
31.5KA | (3100±200)N |
3. Products photos:
What are our paking terms,shipping terms and payment terms?
1. All products are packed with strong wooden cases, shockproof.
2.We provide alternative shipping options for choosing, FOB or CIF would be ok. T/T,Western Union,Paypal,L/C are accepted.
Why choose us?
- We are a group company manufacturing transformers and Circuit breakers, provide electric solutions to China national basic facilities construction. In the past ten years, our products are sold well abroad.
- We have strong R&D team with high well-qualified education.
- Inspected by the Inspection Institution of IEC.
- We have mature measurement system, modern and high-end detecting equipments for 100% QC inspection before shipping.
- We have a passionate customer service team, we can resolve promptly questions about pre-sales and after-sales.
Company View:
Jubang Electric Co., Ltd. is a model non-affiliated enterprises focus on development, manufacture, sales and service of electric products. We devote to providing comprehensive electrical system solutions for distribution network, machinery, construction, telecommunications, metallurgy, petrochemical, railway industry and areas.
1. Any inquiry will be replied within 24 hour.
2. Our official website: htttp://
3. OEM &ODM aviailable. We can help you convert any of your idea into production
4. 5 years warranty for all modules. All products will be free from maintenance within the warranty period.
5. Lead time will be 10 working days after receipt of payment/deposits.
6. Convenient payment terms: T/T, Western Union, Paypal, L/C
7. Delivery /Shipping:We have strong cooperation with China local port Ningbo/Shanghai.
Q1: What is the Warranty for the articles?
A1: All transformer are 5 years warranty. Maintenance is free within the warranty period.
Q2: Will your transformers work on a bidirectional condition?
A2: Yes, primary side can be used as secondary side, mean a step-up transformer can be used as a step-down transformer.
Q3: Why your articles are larger or heavier than other sellers’ in a same capacity condition?
A3: We used completely Cu or Al for coil and core, quality is guarantee and safe.
How to contact us?
Send your Inquiry Details in the Below, Click "Send" Now! Or you can contact us by Skype directly,Skype ID:karen.wei88
Contact Us
- Jubang Electric Group Co., Ltd.
- Contact nameVito Tse
- Phone86-0755-28069300
- AddressRoom A2710-2711, Fenglin International Center, Longcheng Town, Longgang District, Shenzhen, Guangdong, China. Shenzhen,Guangdong
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