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| Categories | High Voltage Circuit Breaker |
|---|---|
| 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 |
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
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 | ||||
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