- Rated voltage:12KV
- Rated current:1600A
- Type:Vacuum
- Poles Number:3
- Place of Origin:CN;ZHE
- Brand Name:YUFENG
- Model Number:ZN73-12~24KV
ZN73-12~24KV permanant magnet vacuum circuit breaker is uses permanant magnetic actuator for the operation of indoor vacuum circuit three-phase AC Device,rated voltage 12KV,rated frequency 50HZ,rated current 630A-3150A,short-circuit current 16KA-40KA.Can really take for KYN28 switch cabinet,without the need for cabinet make any changes.
Working condition:
Altitude:≤2000m
Ambient temperature:-40℃~+40℃
Ambient humidity:daily average ≤95%,monthly average≤90%
Standard vapor pressure:daily average≤2.2Kpa,monthly average≤1.8Kpa
Earthquake intensity:≤8 degree
It should be installed in the places without dust,smoke,corrosive or flammable gases,vapor and salt spary.
| NO. | Item | Unit | Data | ||
| 1 | Rated voltage | KV | 24 | ||
| 2 | Rated frequency | Hz | 50 | ||
| 3 | Rated current | A | 630 | 1250 | 1600 |
| 4 | Rated short circuit breaking current | KV | 20 | 25 | 31.5 |
| 5 | Rated short circuit closing current(peak) | KV | 50 | 63 | 80 |
| 6 | Rated short circuit duration | s | 4 | ||
| 7 | Rated short circuit current breaking time | Times | 20 | ||
| 8 | Rated operating sequence | 0~0.3s-CO-180s-CO | |||
| 9 | Rated lightning impulse withstand voltage | KV | 125 | ||
| 10 | Rated short-time power frequency voltage(1 min) | KV | 65 | ||
| 11 | Opening time | ms | ≤100 | ||
| 12 | Closing time | ms | ≤50 | ||
| 13 | Mechanical life | Times | 20000 | ||
| 14 | Rated energy storage and operating voltage | V | ~220/110 | ||
| 15 | Break time | ms | ≤65 | ||
| 16 | Energy storage time | s | ≤10 | ||
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory with more than 20 years experience in this field.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days
if the goods are not in stock, it is according to quantity.
Q:Do your company have a website ?
A:Please check :www.cnyufeng.cn
Q: What is your terms of payment ?
A: Payment=500USD, 30% T/T in advance ,balance before shippment.
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