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1250A Handcart Indoor Vacuum Circuit Breaker High Voltage Sealed

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1250A Handcart Indoor Vacuum Circuit Breaker High Voltage Sealed

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Brand Name : BAIKONG

Certification : IEC,GB

Place of Origin : Sichuan，China

MOQ : 1set（MOQ）

Price : $1000-$100000/set

Payment Terms : L/C, Western Union, T/T

Supply Ability : 300 sets/sets per week

Delivery Time : 15Days OR To be negotiated

Packaging Details : Standard wooden boxes for outer packing/To be negotiated

Product Name : 12/630a 1250a Sealed Indoor Handcar High Voltage Vacuum Circuit Breaker

Color : As Picture

Size : As Picture

Series : Vacuum Circuit Breaker

rated current Category : 630/1250(A)

Application : Middle - mounted handcart switch cabinet/Fixed switchgear

mechanical life : 20000 times

clearance between open contacts : 11±1

Mean split speed : 0.9 ~ 1.2m/s

Mean closing speed : 0.5 〜0.8m/s

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12/630a 1250a Sealed Indoor Handcar High Voltage Vacuum Circuit Breaker

Summary

The 12/630a 1250a Sealed Indoor Handcar High Voltage Vacuum Circuit Breaker

is an indoor switchgear with three-phase AC 50Hz and a rated voltage of 12kV, which can be used for the control and protection of industrial and mining enterprises, power plants, substations and electrical facilities, and is suitable for frequent diffuse use.Using the lifting mechanism and the circuit breaker body integration, the design help can be made as the drawing installation unit.It can also be equipped with a special propulsion mechanism to form a mobile vehicle unit.Overall solid pole column can be used in the main loop to minimize circuit breaker, high reliable and maintenance free.Can be equipped with medium-placed hand car switch cabinet, fixed type can also be used for fixed switch cabinet.

Model Meaning

VS1 12

Indoor Vacuum

Circuit Breaker

Rated Voltage

(Kv)

Operation Mechanism Code Name,

g Is Fixed Seal Type

 Rated Current

Rated Short-Circuit-Off

Current(Ka)

Use The Environment Normally

  • Ambient temperature: not more than 40℃, not less than-10℃ (storage and transportation at-30℃).
  • Elevation: no more than 1,000 m.(If a higher elevation is required, the rated insulation level increases accordingly)
  • Relative humidity: the daily average value shall not be greater than 95%, the average daily value of saturated steam pressure shall not be greater than 2.210MPa, and the average monthly value is 1.810Mpa.
  • Earthquake intensity: not exceeding level 8.
  • Places without fire, explosion, serious pollution, chemical corrosion and severe vibration.

Outline Overall And Installing Dimensions

Technical Parameters (See Table)

NO. Project Unit Data
1 rated voltage kV 12
2 maximum operating voltage kV 12
3 rated current A 630 6301250 12501600
16002000 20002500
1250
25003150 31504000
4 Rated short-circuit open current (rated heat stable current-effective value) kA 20/25 31.5 40
5 Rated short-circuit turn-off current (peak) kA 50/63 80 100
6 Rated peak tolerance current (rated stable current-peak) kA 50/63 80 100
7 4S rated short circuit withstand voltage kA 20/25 31.5 40
8 Rated insulation horizontal Operating pressure resistance (before and after rated disconnection) / 1min working frequency pressure resistance kV Ground to ground 42 (break 48)
Impact withstand voltage (before and after rated break) / rated lightning impact withstand voltage peak Ground to ground 75 (break 85)
9 Rated thermal stability time s 4
10 Rated operation order close-0.3S-openclose-180S-closeopen
11 mechanical life times 20000
12 Rated short circuit open current open times times 50
13 Operating ator rated closing voltage (DC) V AC,DC110, 220
14 Operator rated split-gate voltage (DC) V AC,DC 110, 220
15 clearance between open contacts mm 11±1
16 Overstroke (contact spring compression length) mm 3.5 ±0.5
17 Three-phase split, closing bounce time ms ≤ 2
18 Contact to close the bounce time ms ≤ 2
19 Mean split speed m/s 0.9 ~ 1.2
Mean closing speed m/s 0.5 〜0.8
20 Interlock time At imum operating voltage s ≤ 0.05
21 At imum operating voltage ≤ 0.08
22 closing time s 0.1
23 Main circuit resistance of each phase μΩ 630 ≤ 50 1250≤ 45
24 Dynamic and static contacts allow wear and cumulative thickness mm 3


Product Tags:

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