GVS9-24 series embedded poles type high-voltage vacuum breaker 1.24kV,630A,1250A 2.long life,reliable 3.passed test,ISO
GVS9-24 series embedded poles type high-voltage vacuum breaker ,apply for rated voltage 24kV, frequency 50Hz three-phase AC power system, widely used in power plants, transformer substation, petrochemical, metallurgical, manufacturing, airport And communities , use for electrical facilities’s protection and control, especially for frequently operating under the rated current Or more times for short-circuit current interrupting the place. With the VD4, VEP circuit breaker full realization of interchangeable . can be installed on the away-style or fixed air-insulated switchgear cabinet. The product accordance to GB1984"AC high voltage circuit breakers';, DL/T403"12 ~ 40.5kV Indoor AC high-voltage circuit breaker order technical conditions'; and IEC60694, IEC6227-100 and other related standards.
GVS9-24 series solid seal type high voltage vacuum circuit breaker adapt to APG advanced technology, directly to put the vacuum interrupter Room and lead electrical circuit solid seal in epoxy resin post then become the way of solid sealing insulation, represents the highest level of the design and manufacture of high voltage vacuum circuit breaker today world.
The use of environmental conditions:
1. Altitude: not exceed 2000m.
2.Ambient temperature: not higher than +40 °C, not less than -15°C
3. Relative humidity: daily average of not more than 95%, month average of not more than 90%.
4. Earthquake intensity: not more than ten.
5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.
Mainly technical parameters
NO | Item | Units | parameters | ||
1 | Rated voltage | KV | 24 | ||
2 | Rated Frequency | HZ | 50 | ||
3 | Rated Lightning Impulse voltage tolerance(peak) | KV | 125(145 Fractures) | ||
4 | Rated short-time power-frequency voltage tolerance(1min) | KV | 65( 79 Fractures) | ||
5 | Rated current | A | 630.1250 | 630.1250 | 1600.2000. 2500.3150 |
6 | rated short-circuit breaking current | KA | 20 | 25 | 31.5 |
7 | rated short-circuit closing current (peak) | KA | 50 | 63 | 80 |
8 | rated short-circuit duration time | S | 4 | ||
9 | Rated operating sequence |
| 0-0.3s-CO-180s-CO | ||
10 | Rated a single / back-to-back electric current breaking device group | A | 630/400 | ||
11 | Rated short-circuit breaking current breaking number | times | 30 | ||
12 | Closing time | ms | 35-70 | ||
13 | Opening time | Times | 20-50 | ||
14 | Mechanical life | V | 10000 | ||
15 | Rated Storage and operation voltage | mm | AC DC 220/110 | ||
16 | Contact distance | mm | 13±1 | ||
17 | Contact Over travel | mm | 3.5±1 | ||
18 | average Closing speed | m/s | 0.7-1.0 | ||
19 | average opening speed | m/s | 1.1-1.5 | ||
20 | Contact closing spring time | ms | ≤2 | ||
21 | Three phase closing opening asynchrony | ms | ≤2 | ||
22 | lead circuit resistance | υΩ | ≤50(630A) ≤45(1250A) ≤35(1600~2000A) ≤30(2500A) ≤ 25(3150A) | ||
GVS9-24 embedded poles type high-voltage vacuum breaker
