Home » Vacuum Circuit Breaker »Indoor Vacuum Circuit Breaker » VSG-C/24 Side-mounted Circuit Breaker With Embedded Poles For 24kV High Voltage Equipment
  • VSG-24-C side mounted circuit breaker
  • VSG-24-C side mounted circuit breaker 1
  • VSG Spring-operated mechanism
VSG-24-C side mounted circuit breaker
VSG-24-C side mounted circuit breaker 1
VSG Spring-operated mechanism

VSG-C/24 Side-mounted Circuit Breaker With Embedded Poles For 24kV High Voltage Equipment

Model: VSG-C/24

Description

VSG-C/24 type Side installation Indoor high voltage vacuum circuit breaker used spring to storage energy. The operating mechanism can be operated by two ways, by manual and electromotive operation, The characteristics is according with GB1984-2003 High Voltage AC Circuit Breaker, JB3855-1996 3.6-4.5KV Indoor AC High Voltage AC Circuit Breaker and IEC standard 62271-100:200162271-100:2001 High Voltage AC Circuit Breaker
  • Product Detail
  • Technical Parameters
  • Technical Drawing

VSG/C-24 side-mounted indoor high-voltage vacuum circuit breaker is suitable for three-phase AC 50 (60) Hz, 24kV power system, for industrial and mining enterprises, power plants and substations as a switch between load current, overload current and fault current. It is suitable for frequent operation occasions. Widely used in power plants, power grids, petrochemicals, metallurgy, subways, airports, buildings and other projects.

Structural features
1. The circuit breaker adopts a modular operating mechanism and an integrated energy storage handle. The overall layout is reasonable, beautiful and simple;
2. The electrical components adopt a modular design, which is easy to disassemble and replace damaged electrical components;
3. The circuit breaker adopts solid-sealed poles, which improves the insulation performance of the circuit breaker;
4. High service life, the circuit breaker meets the M2 level of mechanical life and E2 of electrical life;
5. With excellent breaking performance, it can ideally fit inductive and capacitive loads;

Environmental conditions
1. Ambient temperature: upper limit +40°C, and the average value measured within 24 hours does not exceed 35°C; lower limit -15°C.
2. Altitude: no more than 1000m.
3. Relative humidity: the daily average value does not exceed 95%; the monthly average value does not exceed 90%;
4. Water vapor pressure: the daily average value does not exceed 2.2kPa, and the monthly average value does not exceed 1.8kPa;
5. The surrounding air is not obviously polluted by dust, smoke, corrosive or flammable gas, steam and salt spray

 

S/N Item Unit Data
* Type / 口Insulating cylinder

口Epoxy resin embedded poles

口Nylon embedded poles

口Upper outlet

口Side outlet

1 Rated voltage  

 

KV

24
2 Rated short time power frequency withstand voltage(a min) 65
3 Rated lightning impulse withstand voltage(peak) 125
4 Rated frequency Hz 50
5 Rated current A  630

1250

  630

1250

 

6 Rated short-circuit breaking circuit

kA

25 31.5
7 Rated short time withstand current 25 31.5
8 Rated short-circuit duration s 4
9 Rated peak withstand voltage

kA

63 80
10 Rated short-circuit closing current 63 80
11 Power frequency withstand voltage of secondary circuit(1 min) V 2000
12 Rated single / back-to-back capacitor bank breaking current A 630/400
13 Switching time

ms

20-50
14 Closing time 35-70
15 Mechanical life  

time

M2 level

10000(630-125-/25-31.5)

16 Electrical life E2 level
17 Moving and fixed contacts allow wear accumulation thickness mm 3
18 Rated closing operating voltage V AC110, AC220

DC110, DC220

19 Rated breaking operating voltage
20 Rated voltage of energy storage motor
21 Rated power of energy storage motor w 90
22 Storage time s ≤15
23 Contact distance mm 13±1
24 Over stroke 3±1
25 Contact closing bounce time

ms

≤2
26 Different phases of three-phase switching ≤2
27 Average breaking speed

M/s

Contact opening 6mm 0.9~1.7 0.9~1.7
28 Average closing speed Contact closing 6 mm 0.6~1.0 0.6~1.0
29 Switching rebound amplitude mm ≤3
30 Dominant loop resistance μΩ ≤45(630)

≤35(1250A)

31 Contact closing pressure N 3100~3700
32 Rated order of operation O-0.3s-CO-180s-CO

VSG-24-C Side-mounted circui

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